Mechanical / Magnetic Floats Liquid Level Switches

The K-TEK MS50 consists of latching reed switches totally enclosed in a stainless steel chamber (other materials available) and a float containing a magnet in which the switches will detect. The sensing element (chamber) and the float are normally inserted into the tank through a top process... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC) (optional feature)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Double Throw (SPDT)

ABB's LS Series Mechanical Level Switches are the most rugged and durable liquid point-level detection products in the industrial marketplace today. ABB innovations such as the one-step switch point adjust and the hermetically sealed/dual compartment switching mechanism have eliminated the need for... [See More]

• Technology: Mechanical/magnetic Floats
• Pole & Throw: Single Pole, Double Throw (SPDT) (optional feature); Double Pole, Double Throw (DPDT) (optional feature)

• Configuration: Normally Open (NO) (optional feature); Normally Closed (NC) (optional feature)
• Maximum AC Voltage: 440

The M7790 side-mounted liquid level switch has a PBT stem and a PBT float. PBT is a stong plastic that features excellent structural integrity. It is best used where temperature resistance and permeability are not factors such as fuel and hydraulic systems up to 120 degrees C. The M7790 is not for... [See More]

• Technology: Mechanical/magnetic Floats
• Pole & Throw: Single Pole, Single Throw (SPST)

• Configuration: Normally Open (NO); Normally Closed (NC)
• Maximum  Pressure: 87.02

The ER02 is a dual point, fixed rod conductive level switch. This model features two active switch points using only one rod. This unit is available with or without a housing. Like the EL series, the ER02 also requires separate panel mounted relays to control the process. Depending on the... [See More]

• Technology: Mechanical/magnetic Floats
• Maximum  Pressure: 290

• Pole & Throw: Single Pole, Double Throw (SPDT)
• Material Temperature: -10 to 80

Float switches are used to trip high/low level alarms, engage relays, control or start/stop pumps, open/close valves etc. They are a simple, inexpensive way to provide independent or redundant setpoints for emergency shut-down or backup. [See More]

• Technology: Mechanical/magnetic Floats
• Construction: Electro-mechanical switch

• Repeatability: 0.0300
• Configuration: Normally Open (NO); Normally Closed (NC)

The CS410 is a shaft encoder designed for water level measurements. A pulley attached to a a float and counter-weight rotates as water level rises or falls, and the shaft encoder sends two pulse strings to the datalogger. The datalogger records the pulse strings, and the water level is calculated by... [See More]

• Technology: Mechanical/magnetic Floats
• Mounting: Top mount

• Material Temperature: -13 to 122
• Interface: Other Interface Type

The miniature L001 and L002 afford the lowest cost, smallest sized level switch on the market today combined with unmatched quality, reliability and ease of installation. These solid polypropylene switches are compatible with a broad range of liquids and durable enough to withstand system pressures... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO) (optional feature); Normally Closed (NC) (optional feature)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST)

Walchem ’s polypropylene tank level switches work well in chemicals that are clean and non-coating or scaling. Polypropylene should be compatible with nearly all water treatment chemicals. The reed switch output provides a reliable input to our WebMaster series controllers. These level... [See More]

• Technology: Mechanical/magnetic Floats
• Repeatability: 0.0787

• Measuring Range: 0.0 to 36
• Construction: Electro-mechanical switch

Model series FK10 conductive level switches are intended to be used with the FKE electrode relay for detecting the level of conductive fluids. An A.C. voltage is applied to an electrode insulated from the tank. When the electrode is wetted by the process fluid, a low current flows from the electrode... [See More]

• Technology: Mechanical/magnetic Floats
• Material Temperature: -4 to 212

• Maximum  Pressure: 290
• Switch Points: ? to 5

KOBOLD's M-series magnetic level switches are used for the monitoring and control of liquid levels in vessels. These level switches are custom manufactured to customer specifications. The float switches are fitted with a hermetically sealed contact which is situated in the tube. The float sliding on... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Maximum Current: 0.5000

Compact single level vertical mount LS01 Series Liquid Level Sensor used in level control, detection and monitoring. High power switch option, other cables and connectors. [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST); Single Pole, Double Throw (SPDT)

Barksdale's Bilge Switch offers an ideal portable level switching solution for your mobile application. Featuring all stainless steel construction with a polyethylene float, the Bilge Switch is rugged enough to handle demanding level control problems and hold up to a broad range of media. An... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST)

The Whitman Controls L20 / L25 Series Side Mounted CPVC Plastic Liquid Level Switches are typically used in water and potable water applications. The side mount provides added versatility, allowing the switch to be used as a high or low level indicator, and plastic body provides use up to 100 PSI. [See More]

• Technology: Mechanical/magnetic Floats
• Material Temperature: -40 to 180

• Maximum  Pressure: 100
• Mounting: Side mount

Constructed entirely of 316SS, the LV-40 Single Station Level Switch is specifically designed to withstand the effects of a wide range of chemicals. The unit has a maximum operating temperature of 300F and can be used to meet many level control applications, including medical and water purification... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST)

The FA/FB Series is a cable float level switch product line constructed from a variety of chemical resistant materials. These are durable, low-cost, simple and easy-to-use float level switches equipped with either a microswitch, reed switch or mercury switch output. FAB Cable Float Level Switch,... [See More]

• Technology: Mechanical/magnetic Floats

Up to four encapsulated magnetic sensor elements can be placed in any position at 10 mm intervals in the immersion tube of BERNSTEIN adjustable float switches. Thanks to their extremely user-friendly design, each of these universally used devices can replace several conventional switches. Instead of... [See More]

• Technology: Mechanical/magnetic Floats
• Construction: Electro-mechanical switch

• Measuring Range: ? to 39.37
• Configuration: Normally Open (NO); Normally Closed (NC)

FPI Sensors custom level switches are available in a variety of materials, lengths and mounting options making it an ideal choice for many industries and applications. FPI ’s custom liquid level sensor is engineered using the best components and manufacturing techniques to insure a quality,... [See More]

• Technology: Mechanical/magnetic Floats
• Construction: Electro-mechanical switch

• Measuring Range: 1 to 235
• Configuration: Normally Open (NO); Normally Closed (NC)

All Stainless Steel. FDA Compliant for Contact with Food. High Temperatures and Pressures. Rugged construction suitable for most corrosive liquids, and for high temperatures and pressures. All-stainless steel material of construction complies with FDA food contact regulations. [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST)

In the M4302-7807-1, downward switch height adjustment by the end user can be as much as 2", and an upward adjustment can be as much as 9". This would allow a series of tanks to use the same level switch configuration and provide easier field adjustments for low level indication. Multi-level... [See More]

• Technology: Mechanical/magnetic Floats
• Pole & Throw: Single Pole, Single Throw (SPST)

• Measuring Range: 10.5
• Maximum  Pressure: 150

The EL TA01 is a single point, fixed rod level switch with no housing and a screw terminal type electrical connection. The EL TA01 also requires separate panel mounted relays to control the process. Depending on the requirement, the customer can choose from either the BS/16, BS40, CN/16, CN73R or... [See More]

• Technology: Mechanical/magnetic Floats
• Maximum  Pressure: 290

• Pole & Throw: Single Pole, Double Throw (SPDT)
• Switch Points: 1

The miniature LOO1U offers reliable and economical low level switching for a variety of applications and media. Made in FDA compliant polypropylene material, this compact device can actuate at levels as low as 3/8 inch of water. It can be top mounted with standard 1/8" NPT or 3/8"-16 thread or base... [See More]

• Technology: Mechanical/magnetic Floats
• Pole & Throw: Single Pole, Single Throw (SPST)

• Construction: Electro-mechanical switch
• Maximum  Pressure: 150

The FS00Z level switch consists of a polypropylene housing with an integrated watertight and position dependent electromechanical microswitch. The unit works according to the lift principle. The hollow float is raised (lowered) by the rising (falling) liquid until it reaches an angle of 45 °... [See More]

• Technology: Mechanical/magnetic Floats
• Maximum Current: 15

• Pole & Throw: Single Pole, Double Throw (SPDT)
• Maximum AC Voltage: 250

The KOBOLD NAB Series float level switch for liquids provides mercury-free level switching for tank applications requiring high current capability. With such capacities, pumps may be directly controlled in many applications. This float-type, tilt level switch for stop/start pump control features an... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Double Throw (SPDT)

Compact stainless steel single level vertical mount LS02 (S) Series Liquid Level Sensor used in level control, detection and monitoring. High power switch option, other cables and connectors. High temperature resistance up to 120 °C. IP68 only up to screw in thread. [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST); Single Pole, Double Throw (SPDT)

Barksdale's BLS-810 family of level switches offers both level and temperature control in one compact unit. With brass stems and Buna-N floats, these dual function switches are compatible with a broad range of media, including most hydraulic oils. All units are shipped with 100 VA limit switches as... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST)

The Whitman Controls L20 / L25 Series Side Mounted Kynar Plastic Liquid Level Switches are typically used with solvents and certain bases. The side mount provides added versatility, allowing the switch to be used as a high or low level indicator, and plastic body provides use up to 100 PSI. These... [See More]

• Technology: Mechanical/magnetic Floats
• Material Temperature: -40 to 180

• Maximum  Pressure: 100
• Mounting: Side mount

Well Suited for Rough or Corrosive Service. Water Purifying and Medical Application Models. High Pressure Models up to 750 PSI. User Selectable, Normally Open or Normally Closed SPST Switch. Mounts Vertically at Top or Bottom of Tank. Constructed entirely of 316SS, the LV-40 Single Station Level... [See More]

• Technology: Mechanical/magnetic Floats
• Pole & Throw: Single Pole, Single Throw (SPST)

• Configuration: Normally Open (NO); Normally Closed (NC)
• Maximum  Pressure: 750

The FC/FD Series is a mini magnetic float level switch product line that is very cost-effective and compact. As such these magnetic float level switch units are easily installed on small machinery and in areas where very little space is available inside/outside the vessel in which they are... [See More]

• Technology: Mechanical/magnetic Floats

To ensure smooth running operating processes, in many devices and industrial systems it is necessary to monitor product level in the most confined spaces. These miniature float switches have been specially developed for small tanks / reservoirs as used in the automotive industry, drinks vending... [See More]

• Technology: Mechanical/magnetic Floats
• Construction: Electro-mechanical switch

• Measuring Range: ? to 39.37
• Configuration: Normally Open (NO); Normally Closed (NC)

FPI Sensors custom level switches are available in a variety of materials, lengths and mounting options making it an ideal choice for many industries and applications. FPI ’s custom liquid level sensor is engineered using the best components and manufacturing techniques to insure a quality,... [See More]

• Technology: Mechanical/magnetic Floats
• Construction: Electro-mechanical switch

• Measuring Range: 1 to 235
• Configuration: Normally Open (NO); Normally Closed (NC)

Large Size. 1" NPT. High Pressure/Temperatur. These units solve the problem of point level sensing in tanks with inaccessible tops or bottoms, or at intermediate locations in larger tanks. Operation is positive and dependable. The float pivots with changing liquid levels, displacing a shuttle which... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST); Single Pole, Double Throw (SPDT)

In the M5602-7808-1, downward switch height adjustment by the end user can be as much as 2", and an upward adjustment can be as much as 9". This would allow a series of tanks to use the same level switch configuration and provide easier field adjustments for low level indication. Multi-level... [See More]

• Technology: Mechanical/magnetic Floats
• Pole & Throw: Single Pole, Single Throw (SPST)

• Measuring Range: 10.5
• Maximum  Pressure: 200

Compact and available in a wide variety of materials including polypropylene, PVDF, PVC, Nylon and Buna, the L003 is a versatile, vertically mounted switch designed and priced for a full range of OEM and special purpose level control applications. Available in 1/8" NPT or 3/8-24 thread mounting... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO) (optional feature); Normally Closed (NC) (optional feature)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST)

The level switches model FS14 work according to the magnetic float principle. The float is lifted upwards by the rising liquid level in the tank until the magnetic field of the integrated permanent magnetactivates a Reed contact. Depending on the way the level switch is mounted this contact may work... [See More]

• Technology: Mechanical/magnetic Floats
• Mounting: Top mount

• Configuration: Normally Open (NO) (optional feature); Normally Closed (NC) (optional feature)

The KOBOLD NNE Series float level switch for liquids provides mercury-free level switching for tank applications requiring high current capability. With such capacities, pumps may be directly controlled in many applications. The body of this float-type, heavy-duty, tilt level switch is constructed... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Double Throw (SPDT)

Compact single level vertical mount LS02 Series Liquid Level Sensor used in level control, detection and monitoring. High power switch option, other cables and connectors. IP68 only up to screw in thread. [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST); Single Pole, Double Throw (SPDT)

Barksdale's BLS3000 Electronic Dual Level Switches combine three discrete components (dual level switch, pressure transducer, and digital level gauge) into one compact package. The BPS300 is available in three configurations: 1) dual switch points, 2) dual switch points with analog output (4-20 mA... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Maximum  Pressure: 43.5

The Whitman Controls L20 / L25 Series Side Mounted Kynar Plastic Liquid Level Switches are typically used with solvents and certain bases. The side mount provides added versatility, allowing the switch to be used as a high or low level indicator, and plastic body provides use up to 100 PSI. These... [See More]

• Technology: Mechanical/magnetic Floats
• Material Temperature: -40 to 180

• Maximum  Pressure: 100
• Mounting: Side mount

Offering high reliability at low cost, the LVK-130 and LVK-140 Series level switch is recommended for many OEM applications. Extremely compact, the switch is ideal for restricted or limited space. The reed switch design allows the user to select as either normally open or normally closed by simply... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST) (optional feature); Single Pole, Double Throw (SPDT) (optional feature)

The FC/FD Series is a magnetic float level switch product line. They are top mounted units designed to provide cost-effective multiple switch points using a single entry point into the vessel. FDX Magnetic Float Level Switch, Lquid Level Switch. The FC/FD series is a magnetic float level switch... [See More]

• Technology: Mechanical/magnetic Floats

• Mounting: Top mount

For over 25 years it has been hard to imagine fluid level regulation, control and monitoring systems without BERNSTEIN standard float switches. In addition to being used to simply provide a signal when a liquid level drops below or exceeds a defined value, they also ideally serve as signal... [See More]

• Technology: Mechanical/magnetic Floats
• Construction: Electro-mechanical switch

• Measuring Range: ? to 78.74
• Configuration: Normally Open (NO); Normally Closed (NC)

FPI Sensors custom level switches are available in a variety of materials, lengths and mounting options making it an ideal choice for many industries and applications. FPI ’s custom liquid level sensor is engineered using the best components and manufacturing techniques to insure a quality,... [See More]

• Technology: Mechanical/magnetic Floats
• Construction: Electro-mechanical switch

• Measuring Range: 1 to 235
• Configuration: Normally Open (NO); Normally Closed (NC)

These units solve the problem of point level sensing in tanks with inaccessible tops or bottoms, or at intermediate locations in larger tanks. Operation is positive and dependable. The float pivots with changing liquid level, displacing a shuttle which magnetically actuates a hermetically sealed... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST); Single Pole, Double Throw (SPDT)

The M3200 liquid level switch has a stainless steel housing and a Buna-N float. Buna-N is typically suitable for use with aromatic hydrocarbons, diluted acids, and bases. Applications include fuel tanks and bilges where oil or fuel may be present. [See More]

• Technology: Mechanical/magnetic Floats
• Maximum  Pressure: 85

• Pole & Throw: Single Pole, Double Throw (SPDT)
• Material Temperature: 199

The compact L007/L007TT are a low-cost, side mounted level switches that can be mounted inside or outside the tank and are available in a wide variety of materials for most any service. The no-leak construction ensures safe installation in tanks of any size and they can be easily converted from... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO) (optional feature); Normally Closed (NC) (optional feature)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST)

The level switches model FS15 work according to the magnetic float principle. The float is lifted upwards by the rising liquid level in the tank until the magnetic field of the integrated permanent magnet activates a Reed contact. Depending on the way the level switch is mounted this contact may... [See More]

• Technology: Mechanical/magnetic Floats
• Maximum Current: 0.5000

• Configuration: Normally Open (NO) (optional feature); Normally Closed (NC) (optional feature)
• Maximum AC Voltage: 250

Product Features. Maximum Temperature 480 °F. Maximum Pressure 360 PSIG. High Capacity 10 Amp Switch. All Wetted Parts of 316 SS. All Metal Design Ideal for Harsh Environments. The NGS series is hands down one of the toughest level switches on the market. The float and all other wetted parts are... [See More]

• Technology: Mechanical/magnetic Floats
• Pole & Throw: Single Pole, Double Throw (SPDT)

• Construction: Electro-mechanical switch
• Maximum Current: 10

Compact single level horizontal mount LS03 Series Liquid Level Sensor used in level control, detection and monitoring. High power switch option, other cables and connectors. High temperature resistance up to 150 °C. [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST); Single Pole, Double Throw (SPDT)

Barksdale's single-point float-type level switch provides a variety of solutions for your specific level control problems. UNS-MS 1/4 NPT-BN30 Level Switches are ideal for use in storage tanks, hydraulic power units, lube oil console systems and other general applications for level measurement. This... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST) (optional feature); Single Pole, Double Throw (SPDT) (optional feature)

The Whitman Controls L20 / L25 Series Side Mounted Polypropylene Liquid Level Switches are among the most versatile and durable of the side-mounted liquid level switch line. The polypropylene wetted material makes the switch highly compatible with numerous liquids from acids, to water, to bases. The... [See More]

• Technology: Mechanical/magnetic Floats
• Material Temperature: -40 to 180

• Maximum  Pressure: 100
• Mounting: Side mount

The OMEGA LVK-90 single station horizontal level switch is cost effective for level control applications in small tanks where it is more convenient to install a level switch through the sidewall of the tank. When the float arm is raised to the switch housing, the switch is activated. As the float... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST)

The FF Series is a magnetic float level switch specifically designed for mounting on the side of a vessel where float orientation is horizontal. It is suitable for industrial use with a wide range of fluids where the float level switch will operate with fluid density as low as 0.25 S.G.. FFX Side... [See More]

• Technology: Mechanical/magnetic Floats
• Operating Temperature: 662

• Mounting: Side mount; Top mount

FPI Sensors custom level switches are available in a variety of materials, lengths and mounting options making it an ideal choice for many industries and applications. FPI ’s custom liquid level sensor is engineered using the best components and manufacturing techniques to insure a quality,... [See More]

• Technology: Mechanical/magnetic Floats
• Construction: Electro-mechanical switch

• Measuring Range: 1 to 235
• Configuration: Normally Open (NO); Normally Closed (NC)

Internal Mounting. Stainless Steel Construction. Complies with FDA Food Contact Regulations. Built for durability, our LS-7 Series switches utilize stainless steel, or zinc bodies. Ideal for any small tank or vessel destined for a rugged environment. All-stainless steel material construction of Type... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST)

The M4300 liquid level switch has a brass stem and a Buna-N float. Buna-N is typically suitable for use with aromatic hydrocarbons, diluted acids, and bases within a temperature range of -50 degrees C to 120 degrees C. Applications include fuel tanks, transmissions, and hydraulic systems. [See More]

• Technology: Mechanical/magnetic Floats
• Pole & Throw: Single Pole, Single Throw (SPST)

• Configuration: Normally Open (NO); Normally Closed (NC)
• Maximum  Pressure: 150

The horizontally mounted L070/L071 are rugged, hazardous duty level switches providing a safe, isolated switch closure for monitoring high and low liquid levels. With an all stainless steel construction and ultra-light float, the L070/L071 series provide high performance in most any media and can be... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO) (optional feature); Normally Closed (NC) (optional feature)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST) (optional feature); Single Pole, Double Throw (SPDT) (optional feature)

The L007 series horizontal mount level switches have a no-leak construction and are ideal for small tanks. The units side-wall mount internally or externally and offer a broad range of media compatibility due to the selection of construction materials. Model L007 operates on falling or rising level. [See More]

• Technology: Mechanical/magnetic Floats
• Maximum Current: 1

• Configuration: Normally Open (NO) (optional feature); Normally Closed (NC) (optional feature)
• Maximum AC Voltage: 240

Product Features. Excellent Chemical Resistance. Small Size-Easy Installation. N/O or N/C User Selectable. Hermetically Sealed Reed Switch. NEMA 6 Protection. Cost Effective. Ideal for Tanks with Inaccessible Tops or Bottoms. KOBOLD's NKP is a highly cost effective level switch. The unit is a... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Maximum Current: 1.5

Versatile LS04 Series Liquid Level Sensor for single, multi and continuous level control, detection and monitoring. Reservoir, tank, bottle or other container mounting configurations. Up to 6 floats, 1W-100W rated power, other cables, connectors. [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST); Single Pole, Double Throw (SPDT)

Barksdale's single-point float-type level switch provides a variety of solutions for your specific level control problems. Features. Compact size for easy installation. Ideal for small tanks & vessels. Reversible switch logic. Broad media compatibility. All models incorporate... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST)

The Whitman Controls L20 / L25 Series Side Mounted Polypropylene Liquid Level Switches are among the most versatile and durable of the side-mounted liquid level switch line. The polypropylene wetted material makes the switch highly compatible with numerous liquids from acids, to water, to bases. The... [See More]

• Technology: Mechanical/magnetic Floats
• Material Temperature: -40 to 180

• Maximum  Pressure: 100
• Mounting: Side mount

The LV160 Series high level indicators have a 2 NPT mounting, making them ideal for use in underground and aboveground storage tanks. When mounted vertically at the tank top, the unit reliably indicates high liquid level. The unit's rugged construction and multiple design options make it adaptable... [See More]

• Technology: Mechanical/magnetic Floats
• Switch Points: 1

• Construction: Electro-mechanical switch
• Mounting: Top mount

Specifications: Stem Material: Brass. Float Material: Stainless Steel. Maximum Temperature (F): 250 F. PSI @ 70 Degrees F: 400 PSI. Minimum Liquid Specific Gravity: .7. Switch Max Wattage Rating at 250V: 50 Watt. Leads: 24" PFTE. Common Options: Lead Length and Color. Cable (to replace lead wire). [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO) (optional feature); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST); Single Pole, Double Throw (SPDT) (optional feature)

External Mounting. 7/8" - 14UNF Thread. SAE Mounting. Built for durability, our LS-7 Series switches utilize stainless steel, or zinc bodies. Ideal for any small tank or vessel destined for a rugged environment. Type 6 - Zinc alloy body with polypropylene or nylon float. SAE Mounting. [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST)

The M4500 miniature liquid level switch has a brass stem and a Buna-N float. Buna-N is typically suitable for use with aromatic hydrocarbons, diluted acids, and bases within a temperature range of -50 degrees C to 120 degrees C. Applications include fuel tanks, transmissions, and hydraulic systems. [See More]

• Technology: Mechanical/magnetic Floats
• Maximum  Pressure: 150

• Configuration: Normally Open (NO); Normally Closed (NC)
• Material Temperature: 221

The 'bent stem' L090 mounts less than 3 inches into the side of the tank and detects liquid levels with specific gravities as low as .45. It is available with stainless steel or Buna-N floats, brass or stainless stem mounts and a choice of 1/8" NPT or 3/8"-24 straight threads for installation in a... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO) (optional feature); Normally Closed (NC) (optional feature)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST)

The L312 series level switches are individually designed from over 360 component parts to create a custom switch available in lengths from one foot (304mm) to four feet (1.2m). Switch point tolerance is +/- 1/8" (3mm). The L500 series level switches are individually designed from over 1,400... [See More]

• Technology: Mechanical/magnetic Floats
• Pole & Throw: Single Pole, Single Throw (SPST)

• Construction: Electro-mechanical switch
• Maximum AC Voltage: 240

Product Features. For All Types of Chemically Aggressive Liquids. SPDT Reed Switch (Mercury-Free). All PTFE Construction. Maximum Temperature to 302 °F. Maximum Pressure to 15 PSIG. KOBOLD Series NST float switches enable liquid levels to be monitored easily. Filling levels may also be... [See More]

• Technology: Mechanical/magnetic Floats
• Pole & Throw: Single Pole, Double Throw (SPDT)

• Construction: Electro-mechanical switch
• Maximum Current: 1

Versatile stainless steel LS05 Series Liquid Level Sensor for single, multi and continuous level control, detection and monitoring capable of high temperature resistance up to 200 °C (SS) and pressure up to 12 bar. Multiple floats with minimum 1.5 ” spacing, 1W-100W rated power, other... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST); Single Pole, Double Throw (SPDT)

Barksdale's single-point float-type level switch provides a variety of solutions for your specific level control problems. UNS-VA 1/8 NPT-VA27 Level Switches are ideal for general level measurement in tanks or containers that require a stainless steel stem and float. This series features an... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST) (optional feature); Single Pole, Double Throw (SPDT) (optional feature)

The Whitman Controls L20 / L25 Series Side Mounted Polypropylene Liquid Level Switches are among the most versatile and durable of the side-mounted liquid level switch line. The polypropylene wetted material makes the switch highly compatible with numerous liquids from acids, to water, to bases. The... [See More]

• Technology: Mechanical/magnetic Floats
• Material Temperature: -40 to 180

• Maximum  Pressure: 100
• Mounting: Side mount

These liquid level switches are sealed with potting compound. The only path for liquid to the electrical switch would be through the wires. If the wires are terminated in an appropriate manner (eg. NEMA-6 connectors), the level switch will meet or exceed a NEMA-6 rating, making them suitable for... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST)

Specifications: Stem Material: Brass. Float Material: Buna. Maximum Temperature (F): 180 F. PSI @ 70 Degrees F: 150 PSI. Minimum Liquid Specific Gravity: .45. Switch Max Wattage Rating at 250V: 50 Watt. Leads: 24" PVC. Common Options: Lead Length. SPDT Switch. Thermocouple [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC) (optional feature)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST); Single Pole, Double Throw (SPDT) (optional feature)

External Mounting. 1/2" NPT. Ideal for Small Tanks. Built for durability, our LS-7 Series switches utilize stainless steel, or zinc bodies. Ideal for any small tank or vessel destined for a rugged environment. Type 8 - Zinc alloy body with nylon or polypropylene float. [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST)

The M4302-XXXX is a multi-point switch made with a brass stem and Buna-N floats. IMPORTANT: The number of float points and their locations are custom selected through the use of our PRODUCT CONFIGURATOR. You can also select an appropraite mounting and electrical switch, along with a few other basic... [See More]

• Technology: Mechanical/magnetic Floats
• Maximum  Pressure: 150

• Pole & Throw: Single Pole, Single Throw (SPST); Single Pole, Double Throw (SPDT)
• Material Temperature: 221

The L090SA is a single and dual set point level switch designed for dirty applications where particle entrapment is a problem. Manufactured to customer specified switch points, the L090SA was originally developed for commercial dishwashers to alleviate the common problem of particle jamming in a... [See More]

• Technology: Mechanical/magnetic Floats
• Pole & Throw: Single Pole, Single Throw (SPST) (optional feature); Single Pole, Double Throw (SPDT) (optional feature)

• Construction: Electro-mechanical switch
• Maximum  Pressure: 120

Product Features. Adjustable Switch Sensitivity. Compact Design. N/O or N/C User Selectable. Hermetically Sealed Reed Switch. Brass or SS Construction. Ideal for Tanks with Inaccessible Tops or Bottoms. Kobold NV liquid level switches may be installed wherever a reasonably priced compact device is... [See More]

• Technology: Mechanical/magnetic Floats
• Pole & Throw: Single Pole, Single Throw (SPST)

• Construction: Electro-mechanical switch
• Maximum Current: 1.5

The B12450 Series Magnetic Float located in bottle assembly, operates with fluid specific gravity at 0.79 min. Compatible with Liquid Level Sensor series R11774, R12180. [See More]

• Technology: Mechanical/magnetic Floats
• Specific Gravity: 0.7900

• Measuring Range: 0.9803
• Switch Points: 1

The UNS1000-BN18 is a top mount level switch that offers a choice of four different process connections, three electrical terminations and an optional temperature sensor. With a maximum stem length of 23.6 inches, the UNS1000-BN18 can be customized to the exact stem length you need. The brass stem... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Maximum Current: 0.7000

The Whitman Controls L20 / L25 Series Side Mounted 316L Stainless Steel Liquid Level Switches are commonly used in potable water, hot water, various acids, and in solvents. The side mount provides added versatility, allowing the switch to be used as a high or low level indicator, and stainless steel... [See More]

• Technology: Mechanical/magnetic Floats
• Material Temperature: -40 to 300

• Maximum  Pressure: 500
• Mounting: Side mount

The LV-10 Series level switches feature a small float displacement, especially suited for narrow or restricted areas. A standard 1/8" NPT male fitting allows for quick installation in either the top or bottom of the tank or vessel. A sealed SPST switch provides consistent accuracy and high... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST)

Specifications: Stem Material: PVC. Float Material: Buna. Maximum Temperature (F): 180 F. PSI @ 70 Degrees F: 25 PSI. Minimum Liquid Specific Gravity: .45. Switch Max Wattage Rating at 250V: 50 Watt. Leads: 24" PVC. Common Options: Lead Length. SPDT Switch. Thermocouple [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC) (optional feature)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST); Single Pole, Double Throw (SPDT) (optional feature)

External Mounting. Stainless Steel Construction. Complies with FDA Food Contact Regulations. Built for durability, our LS-7 Series switches utilize stainless steel, or zinc bodies. Ideal for any small tank or vessel destined for a rugged environment. All stainless steel material construction... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST)

The M4502-XXXX is a multi-point switch made with a brass stem and Buna-N floats. IMPORTANT: The number of float points and their locations are custom selected through the use of our PRODUCT CONFIGURATOR. You can also select an appropriate mounting along with a few other basic selections. Upon... [See More]

• Technology: Mechanical/magnetic Floats
• Maximum  Pressure: 150

• Pole & Throw: Single Pole, Single Throw (SPST)
• Material Temperature: 221

The L170, L175, L176, L177 and L178 compact level switches feature a Buna-N, Teflon ® or stainless steel float for higher heat and pressure capabilities. Designed for low-cost, high volume use, these small size vertical switches are excellent for shallow and restricted tank spaces and are... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO) (optional feature); Normally Closed (NC) (optional feature)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST)

The KOBOLD RFS level switch is a cost-effective liquid level switch for mounting in the side walls of tanks. The RFS Series level switch is constructed in stainless steel for maximum media compatibility. The straightforward design is distinguished by a small footprint, sturdy construction, and a... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Maximum Current: 0.5000

The B12469 Series Magnetic Float located in bottle assembly, specific gravity per application. Compatible with Liquid Level Sensor series R12468. [See More]

• Technology: Mechanical/magnetic Floats
• Switch Points: 1

• Measuring Range: 0.9016

Barksdale's single-point float-type level switch provides a variety of solutions for your specific level control problems. Series UNS-MS or VA 1/8 NPT-BN25 Level Switches are ideal for general level measurement in tanks or containers. This series features an intermediate size float. Switch polarity... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST) (optional feature); Single Pole, Double Throw (SPDT) (optional feature)

These liquid level switches are sealed with potting compound. The only path for liquid to the electrical switch would be through the wires. If the wires are terminated in an appropriate manner (e.g. NEMA-6 connectors), the level switch will meet or exceed a NEMA-6 rating, making them suitable for... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST)

Specifications: Stem Material: Stainless Steel. Float Material: Stainless Steel. Maximum Temperature (F): 300 F. PSI @ 70 Degrees F: 800 PSI. Minimum Liquid Specific Gravity: .7. Switch Max Wattage Rating at 250V: 50 Watt. Leads: 24" PVC. Common Options: Lead Length. SPDT Switch. Thermocouple. 0.93... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC) (optional feature)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST); Single Pole, Double Throw (SPDT) (optional feature)

All-Plastic Wetted Parts. 1 to 4 Actuation Levels. Lengths to 20" (508 mm). U.L. Recognized; CSA Listed Versions Available. Gems ™ complete line of small, polysulfone liquid level switches are designed for the high quantity needs of the OEM, LS-300 Series switches are the ideal level sensor... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST)

The M3782 liquid level switch has a brass stem and a Buna-N float and is equipped with a slosh shield. A slosh shield should be considered if your operating environment contains intensive agitation of the liquid, boiling fluids, or surging due to large inflows and outflows of liquid. These turbulent... [See More]

• Technology: Mechanical/magnetic Floats
• Material Temperature: -58 to 248

• Configuration: Normally Closed (NC)
• Switch Points: 1

The intermediate size L180 and large size L190 feature a Buna-N or Teflon float that provides optimum displacement and excellent stability in oils and water. Both Buna-N models are rated to system pressures of 180 psig. The L180 can be supplied with a 300 psig Teflon float and the larger Buna... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO) (optional feature); Normally Closed (NC) (optional feature)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST)

The B12482 Series Magnetic Float located in bottle assembly, specific gravity per application. Compatible with Liquid Level Sensor series R12481. [See More]

• Technology: Mechanical/magnetic Floats
• Switch Points: 1

• Measuring Range: 0.9843

Barksdale's UNS-PA/PP family of level solutions are ideal for applications requiring a side-mounted switch. With their compact design, they are suitable for use in small tanks and vessels, as well as larger tanks where top mounting is not an option. A choice of polyamid (nylon) or polypropylene... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Maximum Current: 3

The LV600 Series unique float level switches provide an economical means of pump-up/pump-down level control with just one level switch. The ON/OFF differential is set by adjusting the length of cable over which the LV600 is allowed to float. Depending on whether the LV600 is floating with the cable... [See More]

• Technology: Mechanical/magnetic Floats
• Pole & Throw: Single Pole, Double Throw (SPDT)

• Construction: Electro-mechanical switch
• Maximum  Pressure: 75

Specifications: Stem Material: Brass. Float Material: Buna. Maximum Temperature (F): 180 F. PSI @ 70 Degrees F: 150 PSI. Minimum Liquid Specific Gravity: .45. Switch Max Wattage Rating at 250V: 50 Watt. Leads: 24" PFTE. Common Options: Lead Length and Color. Cable (to replace lead wire). Different... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO) (optional feature); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST); Single Pole, Double Throw (SPDT) (optional feature)

Low Particle Generation-One piece Molded Design. Corrosion Resistant. 1 to 4 Actuation Levels in a Single Unit. Lengths to 24" (610 mm). Applications: Semiconductor Process Equipment. Pure Chemical Delivery System. Wafer Cleaning and Etching Systems. Cabinet Leak Sensing [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST)

The M5600 liquid level switch has a stainless steel stem and a stainless steel float. Stainless steel stems and floats are well suited for corrosive environments as well as food processing, medical, heating, and cooling applications. The M5600 is also available with a thermocouple or RTD integrated... [See More]

• Technology: Mechanical/magnetic Floats
• Maximum  Pressure: 200

• Pole & Throw: Single Pole, Single Throw (SPST)
• Material Temperature: 392

The L190S shielded liquid level switch provides accurate and stable level detection in turbulent and highly contaminated non-static liquids. A clear polycarbonate slosh shield minimizes the effect of tank motion and turbulence and helps prevent particle interference. Ideal for use in oil or water,... [See More]

• Technology: Mechanical/magnetic Floats
• Pole & Throw: Single Pole, Single Throw (SPST) (optional feature); Single Pole, Double Throw (SPDT) (optional feature)

• Construction: Electro-mechanical switch
• Maximum  Pressure: 150

The MS01-NBR Series Magnetic Float ring actuator magnet (excentric) have excellent resistance to petroleum-derived liquids such as oil and gasoline and can be used in high temperature applications as well. Suited for stems with an outer diameter up to 7.5mm; float is foam. Actuator magnet is... [See More]

• Technology: Mechanical/magnetic Floats
• Switch Points: 1

• Measuring Range: 0.7480

Barksdale's Series UNS-1000 Level Switches offers a level control solution that is fully customizable to the exact needs of your application. Available in lengths up to 40", the UNS-1000 Level Switches can be configured with up to five floats, each with its own individual switch point. A variety of... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST) (optional feature); Single Pole, Double Throw (SPDT) (optional feature)

The LV150 Series high level indicators provide a unique solution for tank overfill indication requiring self-checking. This indicator is designed with a 2" NPT mounting, making it ideal for use in underground and aboveground storage tanks. When mounted vertically at the tank top, it reliably... [See More]

• Technology: Mechanical/magnetic Floats
• Maximum  Pressure: 750

• Construction: Electro-mechanical switch
• Switch Points: 1

Specifications: Stem Material: Stainless Steel. Float Material: Stainless Steel. Maximum Temperature (F): 300 F. PSI @ 70 Degrees F: 300 PSI. Minimum Liquid Specific Gravity: .65. Switch Max Wattage Rating at 250V: 50 Watt. Leads: 24" PFTE. Common Options: Lead Length and Color. Cable (to replace... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC) (optional feature)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST); Single Pole, Double Throw (SPDT) (optional feature)

Up to 4 Actuation Levels. Integral Siphon or Fill Tube. Customized Mountings. Custom Configurable. Save valuable space and costly installation/maintenance time with these highly customizable sensors. LS-350 units combine siphon tube and up to four liquid level sensors as a single component. The... [See More]

• Technology: Mechanical/magnetic Floats
• Switch Points: 1 to 6

• Material Temperature: -40 to 221

The M5917 liquid level switch has a stainless steel stem and a stainless steel float. Stainless steel stems and floats are well suited for corrosive environments as well as food processing, medical, heating, and cooling applications. The M5917 is a good selection for higher temperature applications... [See More]

• Technology: Mechanical/magnetic Floats
• Maximum  Pressure: 200

• Pole & Throw: Single Pole, Single Throw (SPST)
• Material Temperature: 392

The L195 features a large 2" diameter stainless steel ball float for exceptional accuracy and performance in high pressure/high temperature applications. Rated to 750 psig and temperatures to +300 °F, its all stainless steel construction complies with FDA food contact regulations. [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO) (optional feature); Normally Closed (NC) (optional feature)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST)

The MS01-PA Series Magnetic Float ring actuator magnet (excentric) are made of nylon, have a very high strength-to-weight ratio making them shock and abrasion resistant as well as capable of enduring a 5 bar pressure (73 PSI or 0.5 MPa). Additionally, PA floats have a high resistance to many... [See More]

• Technology: Mechanical/magnetic Floats
• Switch Points: 1

• Measuring Range: 0.7480

Barksdale's Series UNS 2000 Level Switches offer a level control solution that is fully customizable to the exact needs of your application. This series of Level Switches can be configured with up to six floats, each with its own individual switch point. A variety of mounting options and materials... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST) (optional feature); Single Pole, Double Throw (SPDT) (optional feature)

The LV-1100 and 1200 level switches feature a nonmagnetic design suitable for applications where magnetic particles (i.e., rust) are present. The LV-1100 series also features rugged metal construction and a buoyancy adjustment to allow the unit to be used with fluids down to SG (specific gravity) =... [See More]

• Technology: Mechanical/magnetic Floats
• Pole & Throw: Single Pole, Double Throw (SPDT)

• Construction: Electro-mechanical switch
• Maximum  Pressure: 300

Specifications: Stem Material: Polypropylene. Float Material: Polypropylene. Maximum Temperature (F): 180 F. PSI @ 70 Degrees F: 100 PSI. Minimum Liquid Specific Gravity: .55. Switch Max Wattage Rating at 250V: 50 Watt. Leads: 24" PFTE [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO) (optional feature); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST)

Stainless Steel or Brass Mountings and Stems. 1 to 5 Actuation Levels. Lengths to 48 Inches (1219 mm). U.L. Recognized; CSA Listed Versions Available. These compact units feature the rugged durability of stainless steel or brass construction in a lightweight package. Ideal for tanks less than 4 feet... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST)

The M8000 miniature liquid level switch has a polypropylene stem and a polypropylene float. Polypropylene is typically suitable for use with acidic liquids such as those found in electroplating and metal cleaning. It is also a great option for lower temperature food operations (up to 105 degrees C)... [See More]

• Technology: Mechanical/magnetic Floats
• Maximum  Pressure: 100

• Pole & Throw: Single Pole, Single Throw (SPST)
• Material Temperature: 221

The L250AD is a combination one or two point level switch and integral dispensing tube designed for the pharmaceutical industry to dispense as well as monitor liquid levels of critical laboratory solutions from a foil lined container. The spring loaded mount adjusts itself for optimum submergence... [See More]

• Technology: Mechanical/magnetic Floats
• Pole & Throw: Single Pole, Single Throw (SPST) (optional feature); Single Pole, Double Throw (SPDT) (optional feature)

• Construction: Electro-mechanical switch
• Maximum  Pressure: 150

The MS01-PP Series Magnetic Float ring actuator magnet (excentric) have excellent buoyancy with water absorption of only 0.1%. They are also highly resistant to chemical solvents, bases and acids making them an excellent choice for water-level sensors, automotive applications and producers of... [See More]

• Technology: Mechanical/magnetic Floats
• Switch Points: 1

• Measuring Range: 0.7480

Barksdale's single-point float-type level switch provides a variety of solutions for your specific level control problems. UNS-VA 1/4 NPT-VA52 Level Switches are ideal for general level measurement in tanks or containers, and have a 2-1/16" diameter stainless steel float with 100 VA reed switch for... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST) (optional feature); Single Pole, Double Throw (SPDT) (optional feature)

Compact, rugged and virtually maintenance free, the LVK-160 series can effectively meet the needs of large volume OEM users. The sensor is designed for side mounting into tanks that have restricted space or inaccessible tops or bottoms. Construction is polypropylene for compatibility with a wide... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST)

Specifications: Stem Material: Stainless Steel. Float Material: Stainless Steel. Maximum Temperature (F): 300 F. PSI @ 70 Degrees F: 300 PSI. Minimum Liquid Specific Gravity: .8. Switch Max Wattage Rating at 250V: 50 Watt. Leads: 24" PFTE [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO) (optional feature); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST)

Stainless Steel or Brass Mountings. 1 to 6 Actuation Levels. Lengths to Over 11 Feet (3.35 m). U.L. Recognized; CSA Listed Versions Available. Rugged construction and multiple options provide the LS-800 Series with exceptional versatility. Longer and more substantial than other metallic models, the... [See More]

• Technology: Mechanical/magnetic Floats
• Construction: Electro-mechanical switch

• Measuring Range: 132
• Configuration: Normally Open (NO); Normally Closed (NC)

The M3326 subminiature liquid level switch has a polypropylene stem and a polypropylene float. Polypropylene is typically suitable for use with acidic liquids such as those found in electroplating and metal cleaning. It is also a great option for lower temperature food operations (up to 105 degrees... [See More]

• Technology: Mechanical/magnetic Floats
• Pole & Throw: Single Pole, Single Throw (SPST)

• Configuration: Normally Closed (NC)
• Maximum  Pressure: 50

The vertically mounted L312 multi-level switches are individually designed for your application from many combinations of floats, mounts, and material options. With up to five independent switch points, the L312 is a versatile, compact and economical way to monitor multiple liquid level points... [See More]

• Technology: Mechanical/magnetic Floats
• Construction: Electro-mechanical switch

• Measuring Range: ? to 48
• Configuration: Normally Open (NO) (optional feature); Normally Closed (NC) (optional feature)

The MS02-NBR Series Magnetic Float ring actuator magnet (excentric) have excellent resistance to petroleum-derived liquids such as oil and gasoline and can be used in high temperature applications as well. Suited for stems with an outer diameter up to 8.5mm; float is foam. Actuator magnet is... [See More]

• Technology: Mechanical/magnetic Floats
• Switch Points: 1

• Measuring Range: 0.6496

These liquid level switches are sealed with potting compound. The only path for liquid to the electrical switch would be through the wires. If the wires are terminated in an appropriate manner (eg. NEMA-6 connectors), the level switch will meet or exceed a NEMA-6 rating, making them suitable for... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST)

Specifications: Stem Material: Polypropylene. Float Material: Polypropylene. Maximum Temperature (F): 180 F. PSI @ 70 Degrees F: 100 PSI. Minimum Liquid Specific Gravity: .55. Switch Max Wattage Rating at 250V: 50 Watt. Leads: 24" PFTE. Common Options: Lead Length and Color. Cable (to replace lead... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO) (optional feature); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST); Single Pole, Double Throw (SPDT) (optional feature)

NSF Approved All-PVC Wetted Parts Available. 1 to 7 Actuation Levels. Lengths to 60 Inches (1524 mm). Inexpensive, all-PVC LS-800PVC Series switches bring reliable level sensing to corrosive liquids. These durable, yet economical, switches use the same high-quality, dependable reed switches found in... [See More]

• Technology: Mechanical/magnetic Floats
• Construction: Electro-mechanical switch

• Measuring Range: 60
• Configuration: Normally Open (NO); Normally Closed (NC)

The M8000 miniature liquid level switch has a polypropylene stem and a polypropylene float. Polypropylene is typically suitable for use with acidic liquids such as those found in electroplating and metal cleaning. It is also a great option for lower temperature food operations (up to 105 degrees C)... [See More]

• Technology: Mechanical/magnetic Floats
• Pole & Throw: Single Pole, Single Throw (SPST)

• Configuration: Normally Open (NO); Normally Closed (NC)
• Maximum  Pressure: 100

The L312 is a compact, single level switch contained in an all metal remote chamber and designed for installations where internal mounting inside the tank is impractical or impossible. The unit is mounted on the outside of the tank at the desired level of actuation and can be supported by the pipe... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO) (optional feature); Normally Closed (NC) (optional feature)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST) (optional feature); Single Pole, Double Throw (SPDT) (optional feature)

The MS02-PA Series Magnetic Float ring actuator magnet (excentric) are made of nylon, have a very high strength-to-weight ratio making them shock and abrasion resistant as well as capable of enduring a 5 bar pressure (73 PSI or 0.5 MPa). Additionally, PA floats have a high resistance to many... [See More]

• Technology: Mechanical/magnetic Floats
• Switch Points: 1

• Measuring Range: 0.6516

Compact, rugged and virtually maintenance free, the LV-90 Series level switch can effectively meet the needs of large volume OEM users. The sensor is designed for side mounting into tanks that have restricted space or inaccessible tops or bottoms. Construction is all polysulfone (PSF) for... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST)

Specifications: Stem Material: Polypropylene. Float Material: Polypropylene. Maximum Temperature (F): 180 F. PSI @ 70 Degrees F: 100 PSI. Minimum Liquid Specific Gravity: .55. Switch Max Wattage Rating at 250V: 50 Watt. Leads: 24" PFTE. Common Options: Lead Length and Color. Cable (to replace lead... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO) (optional feature); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST); Single Pole, Double Throw (SPDT) (optional feature)

All-Plastic Wetted Parts - PVC, Polypropylene or PVDF. 1 to 6 Actuation Levels. Lengths to 70 Inches (1778 mm). Specifically designed for corrosive liquids and vapors. Three standard model types in a choice of materials offer broad chemical compatibility. [See More]

• Technology: Mechanical/magnetic Floats
• Construction: Electro-mechanical switch

• Measuring Range: 70
• Configuration: Normally Open (NO); Normally Closed (NC)

The M8802-XXXX is a multi-point switch made with a polypropylene stem and polypropylene floats. Various mounting options are available for this unit. Please contact the Madison Company Sales Department for futher information on this product. [See More]

• Technology: Mechanical/magnetic Floats
• Maximum  Pressure: 100

• Pole & Throw: Single Pole, Single Throw (SPST); Single Pole, Double Throw (SPDT)
• Material Temperature: 221

The vertically mounted L312E multi-level switches are designed and FM approved for use in hazardous location environments including fuel tanks and combustible fluid storage tanks. With up to five independent switch points, the L312E is a versatile, compact and economical way to monitor multiple... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO) (optional feature); Normally Closed (NC) (optional feature)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST) (optional feature); Single Pole, Double Throw (SPDT) (optional feature)

The MS02-PP Series Magnetic Float ring actuator magnet (excentric) have excellent buoyancy with water absorption of only 0.1%. They are also highly resistant to chemical solvents, bases and acids making them an excellent choice for water-level sensors, automotive applications and producers of... [See More]

• Technology: Mechanical/magnetic Floats
• Switch Points: 1

• Measuring Range: 0.6516

Offering high reliability at low cost, the LV-60 Series level switch is recommended for many OEM applications. The all polysulfone (PSF) construction provides excellent chemical resistance and is rated to a maximum 225F. Extremely compact, the switch is ideal for restricted or limited space. The... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST)

Specifications: Stem Material: Polypropylene. Float Material: Polypropylene. Maximum Temperature (F): 180 F. PSI @ 70 Degrees F: 100 PSI. Minimum Liquid Specific Gravity: .55. Switch Max Wattage Rating at 250V: 50 Watt. Leads: 24" PFTE. Common Options: Lead Length and Color. Cable (to replace lead... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO) (optional feature); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST); Single Pole, Double Throw (SPDT) (optional feature)

Ideal for Controlling Filling Operations and Preventing Overflow. Ideal in Oils and Water. These units are ideal for use in oils and water. Precisely monitors liquid level and is ideal for controlling filling operations and preventing overflows. Permanent magnet attaches unit securely to steel tank... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST)

The M8700 side-mounted liquid level switch has a polypropylene stem and a polypropylene float. Polypropylene is typically suitable for use with acidic liquids such as those found in electroplating and metal cleaning. It is also a great option for lower temperature food operations (up to 105 degrees... [See More]

• Technology: Mechanical/magnetic Floats
• Pole & Throw: Single Pole, Single Throw (SPST)

• Configuration: Normally Open (NO); Normally Closed (NC)
• Maximum  Pressure: 100

The wider displacement L500 multi-level switch for larger tanks monitors up to eight independent levels in a single device. Available in lengths up to 15 feet, these sensors are individually designed for your application from many possible combinations of floats, mounts, and material options. With... [See More]

• Technology: Mechanical/magnetic Floats
• Construction: Electro-mechanical switch

• Measuring Range: ? to 180
• Configuration: Normally Open (NO) (optional feature); Normally Closed (NC) (optional feature)

The MS03-PP Series Magnetic Float ring actuator magnet (centric) have excellent buoyancy with water absorption of only 0.1%. They are also highly resistant to chemical solvents, bases and acids making them an excellent choice for water-level sensors, automotive applications and producers of... [See More]

• Technology: Mechanical/magnetic Floats
• Switch Points: 1

• Measuring Range: 0.4606

These liquid level switches are sealed with potting compound. The only path for liquid to the electrical switch would be through the wires. If the wires are terminated in an appropriate manner (eg. NEMA-6 connectors), the level switch will meet or exceed a NEMA-6 rating, making them suitable for... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST)

FPI Sensors custom level switches are available in a variety of materials, lengths and mounting options making it an ideal choice for many industries and applications. FPI ’s custom liquid level sensor is engineered using the best components and manufacturing techniques to insure a quality,... [See More]

• Technology: Mechanical/magnetic Floats
• Construction: Electro-mechanical switch

• Measuring Range: 1 to 235
• Configuration: Normally Open (NO); Normally Closed (NC)

Overfill protection for refrigerant tanks. U.L. Recognized. Provides 80% Full Shutoff Capability. Overfill protection for refrigerant tanks. The LS-700F enables safe compliance with EPA directives to recover refrigerants. These units are designed to fit standard 30# and 50# D.O.T. approved... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST)

The M3827-1 side-mounted liquid level switch has a stainless steel stem and a stainless steel float. This side-mounted switch uses a vertical float that with a bent stem suited for tank-side mounting. Stainless steel stems and floats are well suited for corrosive environments as well as food... [See More]

• Technology: Mechanical/magnetic Floats
• Pole & Throw: Single Pole, Single Throw (SPST)

• Configuration: Normally Closed (NC)
• Maximum  Pressure: 50

The wider displacement L500E multi-level switch for hazardous locations monitors up to eight independent levels in a single device. Available in lengths to 15 feet, these sensors are constructed in all 316 stainless steel with a variety of enclosures, mounts and other options. With only a single... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO) (optional feature); Normally Closed (NC) (optional feature)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST) (optional feature); Single Pole, Double Throw (SPDT) (optional feature)

The MS04-PP Series Magnetic Float ring actuator magnet (centric) have excellent buoyancy with water absorption of only 0.1%. They are also highly resistant to chemical solvents, bases and acids making them an excellent choice for water-level sensors, automotive applications and producers of... [See More]

• Technology: Mechanical/magnetic Floats
• Switch Points: 1

• Measuring Range: 0.7874

With its compact size, the LV140 single float, liquid level sensor is ideally suited for use in steel double-wall tanks or containment sump areas. It requires no calibration, and is easy to install and maintain. When positioned vertically at the bottom of a steel tank's stand pipe or in a sump, it... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Closed (NC)

• Construction: Electro-mechanical switch
• Mounting: Top mount

Specifications: Stem Material: Brass. Float Material: Buna. Maximum Temperature (F): 180F. PSI @ 70 Degrees F: 150 PSI. Minimum Liquid Specific Gravity: .45. Switch Max Wattage Rating at 250V: 50 Watt. Leads: 24" PFTE. Common Options: Lead Length and Color. Cable (to replace lead wire). Slosh Cable. [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO) (optional feature); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST); Single Pole, Double Throw (SPDT) (optional feature)

Dependable Long Service Life. Fits Small, Interstitial Spaces. Easy Maintenance. The Gems ™ LS-10 liquid sensor accurately detects the presence of liquid in fiberglass double-wall tanks, containment sumps and double-wall pipes. Dry contact switching ensures dependability throughout its long... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Closed (NC)

• Construction: Electro-mechanical switch
• Maximum DC Voltage: 100

The M5000 miniature liquid level switch has a stainless steel stem and a stainless steel float. Stainless steel stems and floats are well suited for corrosive environments as well as food processing, medical, heating, and cooling applications. [See More]

• Technology: Mechanical/magnetic Floats
• Pole & Throw: Single Pole, Single Throw (SPST)

• Configuration: Normally Open (NO); Normally Closed (NC)
• Maximum  Pressure: 500

The L500S is a low cost, single or multiple level switch designed for adjustable level monitoring or leak detection in storage tanks, sumps or wells. Vertically mounted and suspended by the electrical cable to the desired switch position inside the tank, the integral weight maintains the correct... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO) (optional feature); Normally Closed (NC) (optional feature)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST) (optional feature); Single Pole, Double Throw (SPDT) (optional feature)

The MS06-PP Series Magnetic Float (MS06/1-PP, MS06/2-PP, MS06/5-PP, MS06/6-PP) ring actuator magnet (centric) are made of nylon, have a very high strength-to-weight ratio making them shock and abrasion resistant as well as capable of enduring a 5 bar pressure (73 PSI or 0.5 MPa). This float has no... [See More]

• Technology: Mechanical/magnetic Floats
• Maximum  Pressure: 73

• Measuring Range: 0.3150
• Switch Points: 1

The LVV-110 Series unique vertical buoyancy sensors are technically the most advanced float available today. The filling baffle causes the float to be filled below the liquid surface, thereby eliminating the effects of surface tension. The self flushing design also encourages particulate matter to... [See More]

• Technology: Mechanical/magnetic Floats
• Construction: Electro-mechanical switch

• Repeatability: 0.0394
• Configuration: Normally Open (NO); Normally Closed (NC)

Specifications: Stem Material: Polypropylene. Float Material: Polypropylene. Maximum Temperature (F): 180 F. PSI @ 70 Degrees F: 150 PSI. Minimum Liquid Specific Gravity: .7. Switch Max Wattage Rating at 250V: 50 Watt. Leads: 24" PFTE. Common Options: Lead Length and Color. Cable (to replace lead... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO) (optional feature); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST); Single Pole, Double Throw (SPDT) (optional feature)

Ideal for Large or Small Tanks. Compact Aluminum Housing. Inline NPT Ports. Bottle type level switches are ideal for large or small tanks or where access to the inside is impractical or impossible. These units mount completely outside the tank, at the level actuation point. LS-159000 Series - Low... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST)

The M5602-XXXX is a multi-point switch made from 316 stainless steel stem and floats. IMPORTANT: The number of float points and their locations are custom selected through the use of our PRODUCT CONFIGURATOR. You can also select an appropriate mounting and switch operation, along with a few other... [See More]

• Technology: Mechanical/magnetic Floats
• Maximum  Pressure: 200

• Pole & Throw: Single Pole, Single Throw (SPST); Single Pole, Double Throw (SPDT)
• Material Temperature: 392

The S003 is a low cost, single or multiple point level switch designed for use in extremely contaminated or highly viscous fluids Developed for parts cleaners and chemical plating tanks, the S003 features a telescoping float arm that slides in and out of the switch tube which is mounted on the side... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO) (optional feature); Normally Closed (NC) (optional feature)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST) (optional feature); Single Pole, Double Throw (SPDT) (optional feature)

The MS07-PA Series Magnetic Float ring actuator magnet (excentric) are made of nylon, have a very high strength-to-weight ratio making them shock and abrasion resistant as well as capable of enduring a 5 bar pressure (73 PSI or 0.5 MPa). Additionally, PA floats have a high resistance to many... [See More]

• Technology: Mechanical/magnetic Floats
• Switch Points: 1

• Measuring Range: 0.7480

Specifications: Stem Material: Stainless Steel. Float Material: Buna. Maximum Temperature (F): 180 F. PSI @ 70 Degrees F: 150 PSI. Minimum Liquid Specific Gravity: .45. Switch Max Wattage Rating at 250V: 50 Watt. Leads: 24" PFTE. Common Options: Lead Length and Color. Cable (to replace lead wire). [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO) (optional feature); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST); Single Pole, Double Throw (SPDT) (optional feature)

Rugged Durability. Ideal for Oils and Water. Broad Heat and Pressure Capabilities. Small compact level switches combines reliability with low cost. The unit is equipped with a hermetically sealed SPST 20 VA reed switch and is operated by permanent magnets within the float. As the float is raised and... [See More]

• Technology: Mechanical/magnetic Floats
• Configuration: Normally Open (NO); Normally Closed (NC)

• Construction: Electro-mechanical switch
• Pole & Throw: Single Pole, Single Throw (SPST)