Normally Closed (NC) Liquid Level Switches Datasheets

Electric Level Switch -- MS-10
from ABB Measurement & Analytics

The K-TEK MS10 is a Single-pole, Double-throw Electric Switch Capable of Sensing the Liquid Level inside a Process Vessel. The MS10 Requires No Preventative Maintenance as it is Totally Sealed. It Provides either a Normally Open or Normally Closed Dry Contact to Activate External Devices such as... [See More]

  • Configuration: Normally Open (NO); Normally Closed (NC)
  • Pole & Throw: Single Pole, Double Throw (SPDT)
  • Construction: Electro-mechanical switch
  • Maximum Current: 1
Electronic Dual Level Switch -- BLS3000
from Barksdale Control Products

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]

  • Configuration: Normally Open (NO); Normally Closed (NC)
  • Maximum  Pressure: 43.5
  • Construction: Electro-mechanical switch
  • Material Temperature: -13 to 176
CleverLevel Monitor LBFS Series
from Baumer Ltd.

A multi-purpose sensor: Baumer has developed a versatile solution, the LFBS, to monitor filling levels of containers and tanks in the beverage industry. One version of the sensor in a hygienic design, certified according to EHEDG and 3A, was introduced at the Brau Beviale fair in Nuremberg. The... [See More]

  • Configuration: Normally Open (NO); Normally Closed (NC)
  • Maximum Current: 0.0350
  • Repeatability: 0.0394
  • Maximum DC Voltage: 30
Adjustable Float Switches
from BERNSTEIN AG

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]

  • Configuration: Normally Open (NO); Normally Closed (NC)
  • Construction: Electro-mechanical switch
  • Measuring Range: ? to 39.37
  • Technology: Mechanical/magnetic Floats
Optical Level Switch -- OPT-A2
from Comus International

Our new range of optical level switches are second to none when it comes to quality and reliability. All units have hermetically sealed electronics with cable entry rated at IP68, an LED status indicator to confirm at a glance the condition of the switch, a standard 2 metre cable with pre stripped... [See More]

  • Configuration: Normally Open (NO) (optional feature); Normally Closed (NC) (optional feature)
  • Maximum Current: 0.1000
  • Construction: Solid-state switch
  • Maximum DC Voltage: 28
Broken Finger Switch -- 205KS120
from elobau sensor technology, Inc.

Broken finger switches with teflon hinge. Switching point with an inclination of α = 12 ° ±3 ° at the top of the switch, measured in the air – Note that the container walls must be at least 3 mm thick. [See More]

  • Configuration: Normally Open (NO) (optional feature); Normally Closed (NC) (optional feature)
  • Pole & Throw: Single Pole, Double Throw (SPDT)
  • Construction: Electro-mechanical switch
  • Maximum Current: 1
Capacitive Level Switch -- CLW
from First Sensor AG

The CLW series detects point levels of liquids and granular or pulverised materials without contacting the media. The user can easily adjust a high and low switch point with a hysteresis of less than 25 mm. The CLW device uses a new non-invasive capacitive sensor technology and allows for complete... [See More]

  • Configuration: Normally Open (NO); Normally Closed (NC)
  • Construction: Solid-state switch
  • Measuring Range: 0.0 to 1
  • Maximum AC Voltage: 5
Level Switch -- LS-1755-Series
from Gems Sensors & Controls

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]

  • Configuration: Normally Open (NO); Normally Closed (NC)
  • Pole & Throw: Single Pole, Single Throw (SPST)
  • Construction: Electro-mechanical switch
  • Maximum  Pressure: 275
LLE Series Liquid Level Sensor with Nickel-plated brass housing, 1/2 inch BSPT and polysulphone sensor; Standard; Type 5; -25 °C to 80 °C; 180 mm lead wires and sleeving -- LLE205000
from Honeywell Safety and Productivity Solutions

The LLE series of enhanced liquid level sensor uses a photo-transistor trigger which provides a digital output that denotes the presence or absence of liquid. This series incorporates reverse polarity, over voltage, short circuit and transient protection. [See More]

  • Configuration: Normally Closed (NC)
  • Construction: Solid-state switch
  • Repeatability: 0.0394
  • Maximum Current: 0.0150
Electronic level sensor -- LMT100
from ifm efector inc.

Electronic level sensor, DC PNP/NPN, gold-plated contacts, Probe length: 11 mm, Communication interface: IO-Link 1.1, Quick disconnect, gold-plated contacts, 2 switching outputs [See More]

  • Configuration: Normally Open (NO); Normally Closed (NC)
  • Maximum  Pressure: 580
  • Maximum Current: 0.1000
  • Material Temperature: -40 to 212
Oil Tank Accessories -- Level Temperature Switch NVT
from KTR Corporation

Product features. Electrical level and temperature control. Suitable for mineral oils. Available with 1 or 2 level contacts and with 1 temperature probe. Electrical switch: decreasing level "opener", increasing temperature "opener". Further lengths on request [See More]

  • Configuration: Normally Open (NO) (optional feature); Normally Closed (NC) (optional feature)
  • Pole & Throw: Three-Pole
  • Construction: Electro-mechanical switch
  • Maximum Current: 0.5000
Brass Full Size Liquid Level Float Switch for Hydrocarbons -- M4300
from Madison Company

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]

  • Configuration: Normally Open (NO); Normally Closed (NC)
  • Maximum  Pressure: 150
  • Pole & Throw: Single Pole, Single Throw (SPST)
  • Material Temperature: 221
316 Stainless Steel Liquid Level Switch -- LV40 / LV50 Series
from OMEGA Engineering, Inc.

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]

  • Configuration: Normally Open (NO); Normally Closed (NC)
  • Pole & Throw: Single Pole, Single Throw (SPST)
  • Construction: Electro-mechanical switch
  • Maximum  Pressure: 750
Liquid Level Switch -- LLS125
from Plast-O-Matic Valves, Inc.

Series LLS Liquid Level Switch with pivot pin design features SPST reed switch for 120/240 VAC 50 Watt power or optional DC dry circuit for computer/PLC interface. PVC or Noryl body. [See More]

  • Configuration: Normally Open (NO); Normally Closed (NC)
  • Maximum  Pressure: 150
  • Pole & Throw: Single Pole, Single Throw (SPST); Single Pole, Double Throw (SPDT) (optional feature)
  • Mounting: Side mount; Top mount
Chemically Resistant Sensor -- ToughSonic CHEM 10
from Senix Corporation

The ToughSonic CHEM 10 is a chemically resistant ultrasonic sensor designed for applications where corrosive liquids or gasses are present, but it is an excellent choice for benign environments as well. With a maximum range of 10 feet (3 meters), it is the smallest sensor in the ToughSonic CHEM... [See More]

  • Configuration: Normally Open (NO); Normally Closed (NC)
  • Construction: Electro-mechanical switch (optional feature); Solid-state switch
  • Measuring Range: 4 to 120
  • Pole & Throw: Single Pole, Double Throw (SPDT) (optional feature)
Liquid Level Sensor, LS01 Series
from Standex-Meder Electronics

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]

  • Configuration: Normally Open (NO); Normally Closed (NC)
  • Pole & Throw: Single Pole, Single Throw (SPST); Single Pole, Double Throw (SPDT)
  • Construction: Electro-mechanical switch
  • Maximum Current: 1
Ultrasonic Switch, Solid State Float -- LL-10
from TE Connectivity – Sensors

The Solid State Float ™ LL-10 series liquid level switch is a direct replacement for mechanical float type liquid level devices. The LL-10 employs proven ultrasonic technology and solid state integral electronics. The Solid State Float ™ provides reliable operation in virtually any... [See More]

  • Configuration: Normally Open (NO); Normally Closed (NC)
  • Construction: Solid-state switch
  • Repeatability: 0.0787
  • Pole & Throw: Single Pole, Double Throw (SPDT)
Electrolyte Level Sensor -- ELS
from Albér

The Alber ELS is a non-invasive level sensor designed to save you time and money!. ● Designed specifically to comply with the NERC PRC-005 requirements for electrolyte level inspection. ● Eliminate the required quarterly inspection of battery electrolyte levels. ● No alarm …... [See More]

  • Configuration: Normally Open (NO); Normally Closed (NC)
  • Pole & Throw: Double Pole, Double Throw (DPDT)
  • Construction: Electro-mechanical switch
  • Maximum Current: 2
CL-10DJI Level Switch -- CL-10 DJI
from Automation Products, Inc.

The Type CL-10DJI Dynatrol ® Interface Level Detector has the unique ability to detect the interface: Between a liquid and a settled bed of solids. Between a liquid and a floating bed of solids. Between liquid phases of significantly different viscosities. Advantages. Versatile: This control is... [See More]

  • Configuration: Normally Open (NO); Normally Closed (NC)
  • Pole & Throw: Single Pole, Double Throw (SPDT)
  • Construction: Electro-mechanical switch
  • Maximum Current: 2
Miniature Plastic Float Level Switch -- FS14
from Clark Solutions

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]

  • Configuration: Normally Open (NO) (optional feature); Normally Closed (NC) (optional feature)
  • Technology: Mechanical/magnetic Floats
  • Mounting: Top mount
3 Level Custom Float Switch
from FPI Sensors International

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]

  • Configuration: Normally Open (NO); Normally Closed (NC)
  • Construction: Electro-mechanical switch
  • Measuring Range: 1 to 235
  • Pole & Throw: Single Pole, Single Throw (SPST); Single Pole, Double Throw (SPDT)
L001/L002 Series -- L001-0102-0301
from Innovative Solutions

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]

  • Configuration: Normally Open (NO) (optional feature); Normally Closed (NC) (optional feature)
  • Pole & Throw: Single Pole, Single Throw (SPST)
  • Construction: Electro-mechanical switch
  • Maximum  Pressure: 150
M - Magnetic Level Switches
from KOBOLD Instruments, Inc.

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]

  • Configuration: Normally Open (NO); Normally Closed (NC)
  • Maximum Current: 0.5000
  • Construction: Electro-mechanical switch
  • Maximum AC Voltage: 230
Pneumatic Float Valve -- OKC-1536-1
from O'Keefe Controls Co.

The Magnetic Float Valve is an air sensor for detecting liquid level inside a vessel. The float mechanism mounted within the vessel operates a ceramic coated magnet. As the float moves it pivots the magnet. A magnetically actuated sensor on the outside of the solid metal housing reacts to the inner... [See More]

  • Configuration: Normally Closed (NC)
  • Switch Points: 1
  • Maximum  Pressure: 350
  • Mounting: Side mount
Ultrasonic Liquid Level Detector -- FL50
from Strain Measurement Devices, Inc.

NPT Plastic Point Liquid Level Sensor, Water / fluid detector with Nylon or Polypropylene (PP) housing for a wide range of liquids and has no moving parts. This Ultrasonic Gap sensor is ideal for tough environments. Applications. Fluid levels in tanks/ bilges or other vessels and containers. Fuel... [See More]

  • Configuration: Normally Open (NO); Normally Closed (NC) (optional feature)
  • Construction: Solid-state switch
  • Measuring Range: ? to 0.2000
  • Maximum Current: 0.0250
K01 Family Plastic Level Switch -- 0-01-100-03-0
from TEKLAB ELECTRONIC

Fiberglass reinforced body to perform mechanical requirements, prog. timer [See More]

  • Configuration: Normally Open (NO) (optional feature); Normally Closed (NC) (optional feature)
  • Construction: Solid-state switch
  • Repeatability: 0.0394
  • Maximum Current: 0.1000
Float Switch
from Uehling Instrument Company

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]

  • Configuration: Normally Open (NO); Normally Closed (NC)
  • Construction: Electro-mechanical switch
  • Repeatability: 0.0300
  • Pole & Throw: Single Pole, Single Throw (SPST); Single Pole, Double Throw (SPDT) (optional feature)