Differential Pressure Switches

110 Results
Pressure Sensors, Transducers - Industrial -- 5452-9012GAWM5H3Y1-ND [9012GAWM5H3Y1 from Telemecanique Sensors]
from DigiKey

PRESSURE SWITCH 480VAC 10AMP G + [See More]

  • Pressure Measurement: Differential
  • Accuracy: 4
  • Working Pressure Range: 3 to 150
  • Signal Output: Switch
Differential Pressure Indicator -- DPIS125V-PV-15-A-1
from Plast-O-Matic Valves, Inc.

Series DPI Indicator designed to show at a glance if maximum filter pressure has been exceeded. 1/8 ″ FNPT connections with 0-15 PSID or 0-30 PSID Gauge; PVC or CPVC. Series DPIS includes optional switch. [See More]

  • Pressure Measurement: Differential
  • Display Type: Analog Meter
  • Material: Gas
  • Working Pressure Range: 0.0 to 15
Vacuum Switches -- 1542475 [6101-0045 from Herga Electric Limited]
from RS Components, Ltd.

Herga 6101-0045 Pressure Sensor [See More]

  • Pressure Measurement: Differential; Vacuum; Differential
  • Vacuum Range: 0.0
  • Working Pressure Range: 0.0
  • Signal Output: Spdt
Pressure Switch -- AS-PS
from Fluid Components Intl. (FCI)

FCI provides pressure switches that include a hermetically sealed sensing element and integral or remote electronics that provide indication of pressure above or below a predetermined threshold at the sensing location. The pressure element is directly installed into pipes, ducts, tanks, reservoirs,... [See More]

  • Pressure Measurement: Absolute; Differential; Gauge
  • Material: Liquid; Gas
  • Sensor Technology: Strain Gauge; Semiconductor Piezoresistive
  • Working Pressure Range: 0.0 to 500
105P/105PP NEMA 1 & 2 Miniature Tamper Proof Pressure Switch
from Neo-Dyn

All purpose miniature tamper proof switch, extremely light weight and durable construction. Has efficient Nega-Rate ® Belleville disc spring sensing mechanism. Small size improves vibration and shock resistance. Specifications. Deadband (Differential): The deadband can be selected anywhere from... [See More]

  • Pressure Measurement: Differential
  • Operating Temperature: -40 to 300
Pressure sensor for pneumatics -- PQ3809
from ifm efector inc.

Reliable monitoring of the system pressure in pneumatics and in compressed air systems. Very high overpressure and vacuum resistance. Clearly visible slanted LED display. Red/green display for clear identification of the acceptable range. With programmable switching output and analog output. [See More]

  • Pressure Measurement: Differential; Gauge; Vacuum
  • Working Pressure Range: -14.6 to 14.6
  • Display Type: Digital Numerical Display
  • Switch Point Range: -14.21 to 14.5
HVAC Sensors, LGW-2G-SIL
from Rotork plc

Differential pressure switch for hazardous locations (ATEX) with SIL rating. The solution to protect your employees, your plants and production processes – protection of life, health and assets! [See More]

  • Pressure Measurement: Differential
Differrential Pressure Switch -- J21K Series
from United Electric Controls Company

The J21K Series is simple to install and operate for alarm, safety and emergency shutdown applications requiring a higher switch sensitivity. It monitors the difference between two system pressures or vacuum using sealed, opposing bellows sensors. As an electromechanical switch, it can safely... [See More]

  • Pressure Measurement: Differential; Vacuum
  • Material: Gas
  • Sensor Technology: Mechanical Deflection
  • Vacuum Range: 5414 to -2
Pressure Sensors, Transducers - Industrial -- 5452-9012GBW1Y1-ND [9012GBW1Y1 from Telemecanique Sensors]
from DigiKey

PRESSURE SWITCH 480VAC 10AMP G + [See More]

  • Pressure Measurement: Differential
  • Accuracy: 4
  • Working Pressure Range: 13 to 425
  • Signal Output: Switch
Vacuum Switches -- 1846110 [UT03 from Baumer IVO GmbH & Co. KG]
from RS Components, Ltd.

Bourdon UT03 Pressure Switch [See More]

  • Pressure Measurement: Differential; Vacuum; Differential
  • Working Pressure Range: 0.0 to 43.51
  • Material: Liquid; Gas; Air, oil, water
  • Vacuum Range: 2251
115P/115PP NEMA 4 & 13 Pressure Switch/Tamper Proof
from Neo-Dyn

Compact, versatile pressure switch with built to order set points. This easy to install switch features the efficient NegaRate ® Belleville disc spring for the set and forget application. Specifications. Deadband (Differential): The deadband can be selected anywhere from .5 psig or 8%... [See More]

  • Pressure Measurement: Differential
  • Operating Temperature: -40 to 300
  • Working Pressure Range: 0.5000
Pressure sensor for pneumatics -- PQD484
from ifm efector inc.

From May 1st 2025, products produced in EU and Singapore have an import surcharge reflected in the price. [See More]

  • Pressure Measurement: Differential; Gauge; Vacuum
  • Working Pressure Range: -14.5 to 145
  • Display Type: Digital Numerical Display
  • Switch Point Range: -14.5 to 145
Hazardous Location Switch -- 12 Series
from United Electric Controls Company

The 12 Series offers process end-users and OEMs, safety and control reliability in a rugged, compact design for alarm and emergency shutdown applications. It is certified to the requirements of ANSI/ISA 12.27.01 and NFPA 70 that stress the importance of properly sealing electrical equipment to... [See More]

  • Pressure Measurement: Differential
  • Material: Gas
  • Sensor Technology: Belleville Actuated
  • Features: Temperature Output (optional feature)
Pressure Sensors, Transducers - Industrial -- 5452-9013FHG12J27X-ND [9013FHG12J27X from Telemecanique Sensors]
from DigiKey

PRESSURE SWITCH 575VAC 1HP F +OP [See More]

  • Pressure Measurement: Differential
  • Accuracy: 3
  • Working Pressure Range: 70 to 150
  • Normal State: Normally Closed
Vacuum Switches -- 1846111 [UT06 from Baumer IVO GmbH & Co. KG]
from RS Components, Ltd.

Bourdon UT06 Pressure Switch [See More]

  • Pressure Measurement: Differential; Vacuum; Differential
  • Working Pressure Range: 0.0 to 87.02
  • Material: Liquid; Gas; Air, oil, water
  • Vacuum Range: 4502
115P/115PP NEMA 4X, 7, 9 & 13 Pressure Switch/Tamper Proof
from Neo-Dyn

Compact, versatile pressure switch with built to order set points. This easy to install switch features the efficient NegaRate ® Belleville disc spring for the set and forget application. Specifications. Deadband (Differential): The deadband can be selected anywhere from 1.5 psig or 8%... [See More]

  • Pressure Measurement: Differential
  • Operating Temperature: -40 to 300
  • Working Pressure Range: 1.5
Pressure sensor with display -- PN7809
from ifm efector inc.

Two switching outputs, one of which can be configured as diagnostic output. For use in pneumatic applications. Clearly visible numerical display. Differential pressure measurement without the need to connect a second pressure pick-up. Country-specific pressure units selectable. From May 1st 2025,... [See More]

  • Pressure Measurement: Differential; Gauge; Vacuum
  • Working Pressure Range: -14.5 to 14.5
  • Display Type: Digital Numerical Display
  • Switch Point Range: -14.14 to 14.5
Pressure and Temperature Electronic Switch -- Excela™
from United Electric Controls Company

The Excela electronic switch is designed to install as easily as an electromechanical switch using the same wiring. It is a smart switch with diagnostics and LED status indication so operators can spend less labor, time and money on maintenance knowing Excela is always at the ready. Precise control... [See More]

  • Pressure Measurement: Differential; Gauge
  • Material: Gas
  • Sensor Technology: Mechanical Deflection
  • Features: Temperature Output
Pressure Sensors, Transducers - Industrial -- 5452-9013FHG12J39M1-ND [9013FHG12J39M1 from Telemecanique Sensors]
from DigiKey

PRESSURE SWITCH 575VAC 1HP F +OP [See More]

  • Pressure Measurement: Differential
  • Accuracy: 3
  • Working Pressure Range: 70 to 150
  • Normal State: Normally Closed
Vacuum Switches -- 1846112 [UT10 from Baumer IVO GmbH & Co. KG]
from RS Components, Ltd.

Bourdon UT10 Pressure Switch [See More]

  • Pressure Measurement: Differential; Vacuum; Differential
  • Working Pressure Range: 0.0 to 145
  • Material: Liquid; Gas; Air, oil, water
  • Vacuum Range: 7503
125P NEMA 4 & 13 Pressure Switch/Tamper Proof
from Neo-Dyn

Designed for high pressure pneumatic or low impulse hydraulic applications requiring a narrow deadband. Has diaphragm sensor with efficient Nega-Rate ® Belleville disc spring for excellent accuracy and repeatability. Specifications. Deadband (Differential): The deadband can be selected anywhere... [See More]

  • Pressure Measurement: Differential
  • Working Pressure Range: 20
  • Sensor Technology: Mechanical Deflection
  • Operating Temperature: -40 to 300
Pressure Sensors, Transducers - Industrial -- 5452-9013FHG12J52-ND [9013FHG12J52 from Telemecanique Sensors]
from DigiKey

PRESSURE SWITCH 575VAC 1HP F +OP [See More]

  • Pressure Measurement: Differential
  • Accuracy: 3
  • Working Pressure Range: 70 to 150
  • Normal State: Normally Closed
Vacuum Switches -- 1846113 [UT16 from Baumer IVO GmbH & Co. KG]
from RS Components, Ltd.

Bourdon UT16 Pressure Switch [See More]

  • Pressure Measurement: Differential; Vacuum; Differential
  • Working Pressure Range: 43.51 to 232
  • Material: Liquid; Gas; Air, oil, water
  • Vacuum Range: 12005
130P NEMA 4 & 13 Pressure Switch/Tamper Resistant
from Neo-Dyn

Compact, versatile pressure switch for low to mid-range pressure applications. Features efficient Nega-Rate ® Belleville disc spring for stable set points, vibration resistance and field adjustability through the pressure port. Once adjustments are made and switch is installed, it becomes... [See More]

  • Pressure Measurement: Differential
  • Operating Temperature: -40 to 300
  • Working Pressure Range: 20
Pressure Sensors, Transducers - Industrial -- 5452-9013FHG12J52X-ND [9013FHG12J52X from Telemecanique Sensors]
from DigiKey

PRESSURE SWITCH 575VAC 1HP F +OP [See More]

  • Pressure Measurement: Differential
  • Accuracy: 3
  • Working Pressure Range: 70 to 150
  • Normal State: Normally Closed
Vacuum Switches -- 1846114 [UT30 from Baumer IVO GmbH & Co. KG]
from RS Components, Ltd.

Bourdon UT30 Pressure Switch [See More]

  • Pressure Measurement: Differential; Vacuum; Differential
  • Working Pressure Range: 72.52 to 435
  • Material: Liquid; Gas; Air, oil, water
  • Vacuum Range: 22509
152P NEMA 4X, 7, 9 & 13 Hazardous Rated Differential Pressure Switch
from Neo-Dyn

Ultra low adjustable hazardous rated differential pressure switch. Unique construction using efficient Nega-Rate ® Belleville disc spring for stable set points and high proof pressure. Explosion proof enclosure and wide range of wetted materials makes this switch especially well suited for... [See More]

  • Pressure Measurement: Differential
  • Operating Temperature: -51 to 250
Pressure Sensors, Transducers - Industrial -- 5452-9013FHG19J39M1X-ND [9013FHG19J39M1X from Telemecanique Sensors]
from DigiKey

PRESSURE SWITCH 575VAC 1HP F +OP [See More]

  • Pressure Measurement: Differential
  • Accuracy: 3
  • Working Pressure Range: 70 to 150
  • Normal State: Normally Closed
Vacuum Switches -- 2609285 [30538793 from WIKA Instrument, LP]
from RS Components, Ltd.

WIKA 30538793 Pressure Switch [See More]

  • Pressure Measurement: Differential; Vacuum; Differential
  • Vacuum Range: 0.2250
  • Working Pressure Range: 0.0044
152P8 Hazardous Rated Differential Pressure Switch
from Neo-Dyn

Ultra low adjustable hazardous rated differential pressure switch. Unique construction using efficient Nega-Rate ® Belleville disc spring for stable set points and high proof pressure. Wide range of wetted materials makes this differential pressure switch series well suited for applications... [See More]

  • Pressure Measurement: Differential
  • Operating Temperature: -51 to 250
  • Sensor Technology: Mechanical Deflection
Pressure Sensors, Transducers - Industrial -- 5452-9013FHG2J27M1XZ22-ND [9013FHG2J27M1XZ22 from Telemecanique Sensors]
from DigiKey

PRESSURE SWITCH 575VAC 1HP F +OP [See More]

  • Pressure Measurement: Differential
  • Accuracy: 3
  • Working Pressure Range: 40 to 100
  • Normal State: Normally Closed
Vacuum Switches -- 2609290 [43710531 from WIKA Instrument, LP]
from RS Components, Ltd.

WIKA 43710531 Pressure Switch [See More]

  • Pressure Measurement: Differential; Vacuum; Differential
  • Vacuum Range: 0.1500
  • Working Pressure Range: 0.0029
160P NEMA 4 & 13 Differential Pressure Switch
from Neo-Dyn

Mid-range, adjustable differential pressure switch. Efficient Nega-Rate ® Belleville disc spring sensing mechanism. Weather proof enclosure and stable set points during system pressure changes makes this switch ideal for a wide variety of applications. Specifications. Electrical: Snap action... [See More]

  • Pressure Measurement: Differential
  • Operating Temperature: -40 to 250
Pressure Sensors, Transducers - Industrial -- 5452-9013FRG2J23B7M3P-ND [9013FRG2J23B7M3P from Telemecanique Sensors]
from DigiKey

PRESSURE SWITCH 230VAC 1HP F +OP [See More]

  • Pressure Measurement: Differential
  • Working Pressure Range: 8 to 45
Vacuum Switches -- 2609291 [48611190 from WIKA Instrument, LP]
from RS Components, Ltd.

WIKA 48611190 Pressure Switch [See More]

  • Pressure Measurement: Differential; Vacuum; Differential
  • Vacuum Range: 0.7503
  • Working Pressure Range: 0.0145
160P NEMA 4X, 7, 9 & 13 Differential Pressure Switch
from Neo-Dyn

Mid-range, adjustable differential pressure switch. Efficient Nega-Rate ® Belleville disc spring sensing mechanism for stable set points during system pressure changes. Hermetically sealed, explosion-proof electrical assembly well suited for hazardous or explosive environments. Specifications. [See More]

  • Pressure Measurement: Differential
  • Operating Temperature: -40 to 250
Pressure Sensors, Transducers - Industrial -- 5452-9013FSG2J20B7PU2-ND [9013FSG2J20B7PU2 from Telemecanique Sensors]
from DigiKey

PRESSURE SWITCH 575VAC 1HP F+OPT [See More]

  • Pressure Measurement: Differential
  • Accuracy: 3
  • Working Pressure Range: 20 to 65.01
  • Normal State: Normally Closed
Vacuum Switches -- 2609292 [48612013 from WIKA Instrument, LP]
from RS Components, Ltd.

WIKA 48612013 Pressure Switch [See More]

  • Pressure Measurement: Differential; Vacuum; Differential
  • Vacuum Range: 11.25
  • Working Pressure Range: 0.0145 to 0.2176
162P NEMA 4X, 7, 9 & 13 Differential Pressure Switch
from Neo-Dyn

Adjustable high pressure differential switch. Rugged construction with efficient Nega-Rate ® Belleville disc spring sensing mechanism. Maintains set point at high system pressure. Available in all stainless steel construction with hermetically sealed electrical assembly for corrosive... [See More]

  • Pressure Measurement: Differential
  • Operating Temperature: -40 to 300
Pressure Sensors, Transducers - Industrial -- 5452-9013FSG2J21M4-ND [9013FSG2J21M4 from Telemecanique Sensors]
from DigiKey

PRESSURE SWITCH 575VAC 1HP F +OP [See More]

  • Pressure Measurement: Differential
  • Accuracy: 3
  • Working Pressure Range: 20 to 65.01
  • Normal State: Normally Closed
Vacuum Switches -- 3971107 [6101-0001 from Herga Electric Limited]
from RS Components, Ltd.

Herga 6101-0001 Pressure Sensor [See More]

  • Pressure Measurement: Differential; Vacuum; Differential
  • Working Pressure Range: 1.09
  • Material: Liquid; Fluid
  • Vacuum Range: 56.27
225P NEMA 4 & 13 Pressure Switch/Tamper Proof
from Neo-Dyn

A sealed piston sensor with a efficient Nega-Rate ® Belleville disc spring makes this switch well suited for high impulse hydraulic applications. Specifications. Deadband (Differential): The deadband can be selected anywhere from the minimum tabulated to a maximum of 45% of the set point. [See More]

  • Pressure Measurement: Differential
  • Operating Temperature: -40 to 300
  • Sensor Technology: Piston
Pressure Sensors, Transducers - Industrial -- 5452-9013FYG2J18P-ND [9013FYG2J18P from Telemecanique Sensors]
from DigiKey

PRESSURE SWITCH 575VAC 1HP F +OP [See More]

  • Pressure Measurement: Differential
  • Accuracy: 3
  • Working Pressure Range: 25 to 80
  • Normal State: Normally Closed
Vacuum Switches -- 3971113 [6101-0002 from Herga Electric Limited]
from RS Components, Ltd.

Herga 6101-0002 Pressure Sensor [See More]

  • Pressure Measurement: Differential; Vacuum; Differential
  • Working Pressure Range: 0.9065 to 7.25
  • Material: Liquid; Fluid
  • Vacuum Range: 375
Pressure Sensors, Transducers - Industrial -- 5452-9013GHG1J99-ND [9013GHG1J99 from Telemecanique Sensors]
from DigiKey

PRESSURE SWITCH 575VAC 5HP G +OP [See More]

  • Pressure Measurement: Differential
  • Accuracy: 3
  • Working Pressure Range: 65.01 to 200
  • Normal State: Normally Closed
Vacuum Switches -- 3971129 [6101-0003 from Herga Electric Limited]
from RS Components, Ltd.

Herga 6101-0003 Pressure Sensor [See More]

  • Pressure Measurement: Differential; Vacuum; Differential
  • Working Pressure Range: 3.63 to 19.58
  • Material: Liquid; Fluid
  • Vacuum Range: 1013
Pressure Sensors, Transducers - Industrial -- 5452-9013GHR4J99-ND [9013GHR4J99 from Telemecanique Sensors]
from DigiKey

PRESSURE SWITCH 575VAC 5HP G +OP [See More]

  • Pressure Measurement: Differential
  • Accuracy: 3
  • Working Pressure Range: 80 to 250
  • Normal State: Normally Closed
Vacuum Switches -- 3971135 [6101-0005 from Herga Electric Limited]
from RS Components, Ltd.

Herga 6101-0005 Pressure Sensor [See More]

  • Pressure Measurement: Differential; Vacuum; Differential
  • Working Pressure Range: 0.3626 to 1.81
  • Material: Liquid; Fluid
  • Vacuum Range: 93.79
Pressure Sensors, Transducers - Industrial -- 5452-9013GHW2J99-ND [9013GHW2J99 from Telemecanique Sensors]
from DigiKey

PRESSURE SWITCH 575VAC 5HP G +OP [See More]

  • Pressure Measurement: Differential
  • Accuracy: 3
  • Working Pressure Range: 65.01 to 200
  • Normal State: Normally Closed
Vacuum Switches -- 3971179 [6101-0012 from Herga Electric Limited]
from RS Components, Ltd.

Herga 6101-0012 Pressure Sensor [See More]

  • Pressure Measurement: Differential; Vacuum; Differential
  • Working Pressure Range: 1.02 to 39.89
  • Material: Liquid; Fluid
  • Vacuum Range: 2063
Pressure Sensors, Transducers - Industrial -- 5452-XMLA002C2S11-ND [XMLA002C2S11 from Telemecanique Sensors]
from DigiKey

PRESSURE SWITCH 2.5BAR FIXED SCA [See More]

  • Pressure Measurement: Differential
  • Accuracy: 2
  • Working Pressure Range: 2.18 to 36.26
  • Signal Output: Other Digital
Vacuum Switches -- 3971191 [6101-0013 from Herga Electric Limited]
from RS Components, Ltd.

Herga 6101-0013 Pressure Sensor [See More]

  • Pressure Measurement: Differential; Vacuum; Differential
  • Working Pressure Range: 0.0036 to 232
  • Material: Liquid; Fluid
  • Vacuum Range: 12005
Adjustable-diaphragm Pressure Switch -- PM11-NA
from Hi-Tech Controls, Inc.

The diaphragm pressure switches in the PM Series ore available in two versions: one with. NC (normally closed) contacts and one with NO (normally open) contacts. A regulating screw, which can be adjusted using a small screwdriver, allows the switch to be set to the required pressure. The calibrated... [See More]

  • Pressure Measurement: Differential
  • Material: Gas
  • Sensor Technology: Mechanical Deflection
  • Switch Point Range: 14.5 to 145
Block-type compact pressure switches -- Type MBC 5000
from Danfoss A/S

MBC pressure switches are used in marine applications where space and reliability are the most important features. MBCs are compact pressure switches, designed according to our new block design to survive in the harsh conditions known from machine rooms onboard ships. MBCs have high vibration... [See More]

  • Pressure Measurement: Differential; Gauge
  • Switch Point Range: -2.9 to 5802
  • Material: Liquid; Gas
  • Scale Units: bar
5WPSBD Series Pressure Switch -- 5WPSBD
from Winters Instruments

Description & Features: • Features a rugged cast aluminum housing (NEMA 4X, 12 and 13) and cover, incorporating Winters' accurate switching mechanism, actuated by stainless steel differential pressure bellows assemblies • Either one or two SPDT electric switches are available in a... [See More]

  • Pressure Measurement: Differential
  • Material: Liquid; Gas
  • Sensor Technology: Mechanical Deflection
  • Switch Point Range: 15 to 5000
LF-10H Series -- LF10-1H1
from MAMCO

The LF10-1H pressure switch is designed to regulate tank pressure between two preset values (up to 175 PSI) on small, electrically driven air compressors. The pressure switch is available with an unloader valve, which prevents the compressor from starting underload. A standard on this model is a... [See More]

  • Pressure Measurement: Differential; Gauge
  • Material: Gas
  • Sensor Technology: Mechanical Deflection
  • Switch Point Range: 25 to 100
Differential Pressure Switch -- 01APS-501
from Belimo Americas

Differential pressure switch 0.8 …4 inch WC [200 …1000 Pa], Set point range adjustable [See More]

  • Pressure Measurement: Differential
  • Working Pressure Range: 0.0290 to 0.1450
  • Material: Gas
KRT - Pressure Switches
from KOBOLD Instruments, Inc.

Product Features. Industrial and Marine Applications. Rugged and Reliable. Single-Ended & Differential Pressure Ranges. IP66 (NEMA 4) or IP54 ((NEMA 3R) Protection. The KRT is a pressure operated switch suitable for industrial or marine gas and low viscosity fluid applications. Selection includes... [See More]

  • Pressure Measurement: Absolute; Differential; Gauge
  • Switch Point Range: -14.5 to 435
  • Material: Liquid; Gas
  • Deadband: 1.45 to 58.02
Differential Pressure Switches -- P845
from Whitman Controls, LLC

Whitman Controls specializes in the manufacture of miniature pressure, vacuum, temperature, and liquid level switches. The company prides itself on the diversity and quality of its product offering, proven by its ISO 9001 certification and the industry leadership position the firm has held for over... [See More]

  • Pressure Measurement: Differential
  • Switch Point Range: 7 to 250
  • Sensor Technology: Piston
  • Maximum Current: 0.2500
A3003 - A3003:Swtch/Gauge 0/3.0inWC Photohelic Pre Switch/Gauge -- GO-68462-88
from Cole-Parmer

The switch/gauges function in the same manner, as versatile, precise pressure switches combined with a pressure gauge utilizing the time proven magnehelic design. Available with 1 or 2 LED/phototransistor actuated relays. Gauge reading is unaffected by switch operation. Easy to adjust set points... [See More]

  • Pressure Measurement: Differential
Differential Pressure Switch -- 5000 Series
from Spectrum Associates, Inc.

Series 5000 Differential Pressure Switches provide reliable snap action switching in a miniature package while retaining dependability for critical applications. Incorporating a highly flexible elastomeric diaphragm, the compact 5000 Series switches can be set from 2" H2O to 60 p.s.i.d. or higher... [See More]

  • Pressure Measurement: Differential
  • Material: Liquid (optional feature); Gas (optional feature)
  • Sensor Technology: Strain Gauge
  • Switch Point Range: 0.0723 to 60
Micro Switches -- MPL 500 Series
from Micro Technologies

The MPL 500 series is a miniature sensor with set points available from 0.05 inH2O to 20 PSI. Standard model features high and low ports, parallel to the body, which can be applied for pressure, vacuum or differential inputs. Standard forms are available with perpendicular ports or NPT fitting. [See More]

  • Pressure Measurement: Differential; Gauge; Vacuum
  • Material: Air
  • Sensor Technology: Mechanical Deflection
  • Switch Point Range: 0.0018 to 2
Differential Pressure Switch -- PSW-150
from OMEGA Engineering, Inc.

• UL Listed. • 15 Amp SPDT. • Easy Adjustments. • Vibration-Resistant Setpoints [See More]

  • Pressure Measurement: Differential
  • Material: Liquid; Gas
  • Sensor Technology: Mechanical Deflection
  • Accuracy: 1
Model 130 Series -- 130-AC
from Mid-West Instrument

The Model 130 diaphragm isolated Differential Pressure Switch is CSA Certified to both the Canadian and U.S. Standards and U.L. Listed to the U.S. Standards. The entire assembly is Certified for use in Class I, Division 1, Groups C, D; Class II, Division 1, Groups E, F, & G Hazardous locations. [See More]

  • Pressure Measurement: Differential
  • Material: Liquid
  • Sensor Technology: Mechanical Deflection
  • Display Type: Analog Meter
Diaphragm Sensor Differential Pressure Gauge -- 1833DS
from Orange Research, Inc.

Diaphragm Sensor for Liquids & Gases. These diaphragm sensor differential pressure gauges measure the pressure difference between two points. Acting in the place of two pressure gauges, these units allow for one simple reading on an easy-to-read scale. Popular in filtration, flow and level... [See More]

  • Pressure Measurement: Differential
  • Material: Liquid; Gas
  • Sensor Technology: Mechanical Deflection
  • Switch Point Range: 0.0 to 8
Calibrated Differential Mechanical Pressure Switches -- CDPD1H & CDPD2H Series
from Barksdale Control Products

Barksdale's CDPD1H and CDPD2H Housed Diaphragm Differential Pressure Switches are the answer for pressure control applications requiring tamper proof external adjustment and environments which require water-tight NEMA 4 housings. These pressure switches are available in single or dual control... [See More]

  • Pressure Measurement: Differential; Gauge
  • Material: Liquid; Gas
  • Sensor Technology: Mechanical Deflection
  • Switch Point Range: 0.0300 to 150
NEMA Differential Pressure Switches
from Ashcroft Inc.

Ashcroft ® Differential Pressure Switchs are designed for use on most applications requiring reliability and long-cycle life. Ideal for satisfying requirements for pressure control, shutdown or alarm operations. Adjustable setpoints from 15%-100% of range. Fixed or limited adjustable deadband. [See More]

  • Pressure Measurement: Differential
  • Display Type: Digital Numerical Display
  • Material: Liquid; Gas (optional feature); Handles Hazardous Materials
  • Working Pressure Range: 1.08 to 400
12 Series Explosion Proof Differential Pressure Switch -- K1
from Clark Solutions

12 Series switches are ideal for operation in harsh explosive environments where space is at a premium. A snap-action Belleville spring assembly is used to provide vibration resistance and prolonged switch life. A hermetically sealed switch and stainless steel enclosure provide ruggedness and... [See More]

  • Pressure Measurement: Differential
  • Material: Liquid; Gas; Handles Hazardous Materials
  • Sensor Technology: Mechanical Deflection
  • Switch Point Range: 0.0247 to 0.3611
Dual pressure switches -- Type KP
from Danfoss A/S

Danfoss dual pressure switch type KP 44 is designed for use as a pump guard to control and protect supply water pumps. It combines the functions of a pressure switch and a flow monitoring device. The lefthand pressure bellows control the pump pressure. The righthand bellows cut out the pump if the... [See More]

  • Pressure Measurement: Differential; Gauge
  • Switch Point Range: 7.25 to 87.02
  • Material: Liquid; Gas
  • Scale Units: bar
6WPSBD Series Pressure Switch -- 6WPSBD
from Winters Instruments

Description & Features: • Constructed using a rugged cast aluminum housing that incorporates Winters' standard accurate switching mechanism actuated by stainless steel differential pressure bellows assemblies • Housing can be specified watertight or explosion proof • Housing is... [See More]

  • Pressure Measurement: Differential
  • Material: Liquid; Gas
  • Sensor Technology: Mechanical Deflection
  • Switch Point Range: 15 to 5000
LF25
from MAMCO

The LF25 pressure switch is used to control the pressure of applications with higher current capacity. It ’s widely used in steam cleaners, steam irons and other pressure control systems. It provides SPST or SPDT contact form and switch deadband (also referred to as mechanical differential or... [See More]

  • Pressure Measurement: Differential; Gauge
  • Material: Liquid; Gas; Steam
  • Sensor Technology: Mechanical Deflection
  • Tech: Electro-mechanical
D4-24-B-100#D - Ashcroft D4, Watertight Pressure Switch, 100 psid, Buna-N -- GO-68455-15
from Cole-Parmer

This general purpose Ashcroft <reg > switch series is ideal for use in virtually all Industrial and OEM applications. FEATURES| <UL > <LI >Corrosion resistant enclosure meets NEMA 3, 4, 4X, 13 and IP66 | <LI >Choice of switch elements for all applications, including... [See More]

  • Pressure Measurement: Differential
  • Working Pressure Range: 0.0 to 100
Economy Pressure Switch -- 2370 Series
from Spectrum Associates, Inc.

Presently successfully utilized in many military and commercial type fire extinguishing systems where Halon 1301 is the active medium, Series 2370 Pressure Switches provide reliable snap-action switching in a miniature package of lightweight anodized aluminum construction. The series 2370 Pressure... [See More]

  • Pressure Measurement: Differential; Gauge
  • Material: Handles Hazardous Materials; Halon 1301
  • Sensor Technology: Strain Gauge
  • Switch Point Range: 5 to 400
Micro Switches -- MPL 600 Series
from Micro Technologies

The MPL 600 series provides robust and flexible SPDT snap action switching with custom set points ranging from 1.5 inH2O to 45 PSI. The SPDT micro switch adds a positive action with a mechanical differential from on to off. Miniature size and low cost make the MPL 600 Series ideal for OEM... [See More]

  • Pressure Measurement: Differential; Vacuum
  • Material: Air
  • Sensor Technology: Mechanical Deflection
  • Switch Point Range: 0.0542 to 45
Differential Pressure Switch -- PSW845 Series
from OMEGA Engineering, Inc.

• Rugged Differential Switch with Excellent Bypass Characteristics. • 0.25A SPDT Switch. • Ranges to 250 PSID. • Steel, Anodized Aluminum, Buna and Loctite #271 Wetted Parts [See More]

  • Pressure Measurement: Differential
  • Material: Liquid; Gas
  • Sensor Technology: Piston
  • Number of Throws: Double Throw
Model 220 Series -- 220-*A
from Mid-West Instrument

The Model 220 carries global certifications from CSA, UL, and ATEX. The piston style Differential Pressure Switch is CSA Certified to both the Canadian and U.S. Standards and U.L. Listed to the U.S. Standards. Certified to ATEX directive Ex d, IIB + H2 with an IP65 rating. Mid-West Instrument's new... [See More]

  • Pressure Measurement: Differential
  • Material: Liquid; Handles Hazardous Materials
  • Sensor Technology: Piston
  • Display Type: Analog Meter
Hazardous Location Differential Pressure Gauge -- 1204PGS
from Orange Research, Inc.

Piston Sensors with Explosion-Proof Enclosures. Hazardous location differential pressure gauges measure the pressure difference between two points. Acting in the place of two pressure gauges, these units allow for one simple reading on an easy-to-read scale. Popular in filtration, flow and level... [See More]

  • Pressure Measurement: Differential
  • Material: Liquid; Gas; Handles Hazardous Materials
  • Sensor Technology: Piston
  • Display Type: Analog Meter
Diaphragm Differential Mechanical Pressure Switches -- DPD1T & DPD2T Series
from Barksdale Control Products

Barksdale's Housed Diaphragm Differential Pressure Switches offer superior accuracy in a robust package, making them an ideal solution to your industrial pressure control needs. These switches are ideal applications requiring water-tight, NEMA 4 housings, a covered terminal strip and tamper-proof... [See More]

  • Pressure Measurement: Differential; Gauge (optional feature); Vacuum (optional feature)
  • Material: Liquid; Gas
  • Sensor Technology: Mechanical Deflection
  • Switch Point Range: 0.0300 to 150
1800 Series Low Differential Pressure Switch
from Clark Solutions

As safety requirements become more stringent, the determining factor in specifying an industrial pressure, differential pressure and/or temperature switch rests upon that switch protecting equipment, processes and personnel. Meeting hazardous location requirements through adherence to UL, CSA, and... [See More]

  • Pressure Measurement: Differential
  • Material: Liquid; Gas
  • Sensor Technology: Mechanical Deflection
  • Switch Point Range: 0.0025 to 3.07
Heavy-duty pressure switches -- Type CAS
from Danfoss A/S

The CAS series covers most outdoor as well as indoor application requirements. CAS pressure switches are suitable for use in alarm and regulation systems in factories, diesel plant, compressors, power stations and on board ships. Pressure ranges: 0 to 60 bar. Low differential (fixed) micro switch. [See More]

  • Pressure Measurement: Differential; Gauge
  • Working Pressure Range: ? to 1740
  • Material: Liquid; Gas
  • Switch Point Range: 0.0 to 870
6WPSD Series Pressure Switch -- 6WPSD
from Winters Instruments

Description & Features: • Constructed using a rugged cast aluminum housing that incorporates Winters' standard accurate switching mechanism actuated by a differential diaphragm assembly • Housing can be specified watertight or explosion proof and is large enough to accommodate up to four... [See More]

  • Pressure Measurement: Differential
  • Material: Liquid; Gas
  • Sensor Technology: Mechanical Deflection
  • Switch Point Range: 15 to 30
LF31
from MAMCO

The MAMCO/ LEFOO LF31 series switch was designed for use in the HVAC industry where safety and reliability are essential. Despite the design intent, this series has proven to be a viable solution for many pneumatic applications as well. Available in vacuum, differential, and pressure models with... [See More]

  • Pressure Measurement: Differential; Gauge
  • Material: Gas
  • Sensor Technology: Mechanical Deflection
  • Switch Point Range: 0.0054 to 1.23
H400K-455 - Differential Pressure Switch <tol>5 to 50" WC -- GO-68091-76
from Cole-Parmer

bull; Legendary UE reliability. • Tamper-resistant external setting adjustment. • Terminal block wiring. • Enclosure design permits safe and easy access for wiring. • NEMA 4X / Die cast aluminum enclosure, epoxy powder coated, gasketed stainless steel tamper-resistant dial... [See More]

  • Pressure Measurement: Differential
  • Signal Output: Analog Current
Gauge Pressure Switch -- 2335 Series
from Spectrum Associates, Inc.

Series 2300 Pressure Switches provide miniaturized instrumentation for detecting either pressure gain, or loss in pressurized systems. Designed to aerospace quality standards, these units provide high reliability even after 1,000,000 switching cycles. Rugged piston-actuated snap action switch... [See More]

  • Pressure Measurement: Differential; Gauge
  • Material: Liquid; Gas; Handles Hazardous Materials
  • Sensor Technology: Strain Gauge
  • Switch Point Range: 4 to 450
Micro Switches -- MPL 800 Series
from Micro Technologies

The MPL 800 series is a further extension on the 600 series featuring an all-aluminum-zinc alloy housing designed for heavy duty performance for more demanding, higher pressure applications from 10 PSI to 250 PSI. MPL 808 extends the range of MPL 600 style switches with snap action in an all-metal... [See More]

  • Pressure Measurement: Differential; Vacuum
  • Material: Air
  • Sensor Technology: Mechanical Deflection
  • Switch Point Range: 10 to 250
Differential Pressure Switch/Alarm -- PSW-180
from OMEGA Engineering, Inc.

• 5 Amp Relay or Built In Audible Alarm Available. • Up to 150 PSI Operating Pressure. • NEMA-4 Rated Housing [See More]

  • Pressure Measurement: Differential
  • Features: Alarm Indicator
  • Material: Liquid; Gas
  • Accuracy: 1
Model 240 Series -- 240-AC
from Mid-West Instrument

The Model 240 carries global certifications from CSA, UL, and ATEX. The diaphragm isolated Differential Pressure Switch is CSA Certified to both the Canadian and U.S. Standards and U.L. Listed to the U.S. Standards. In addition, it is certified to the ATEX directive Ex d, IIB + H2 with an IP 65... [See More]

  • Pressure Measurement: Differential
  • Material: Liquid; Gas; Handles Hazardous Materials
  • Sensor Technology: Mechanical Deflection; Diaphragm
  • Display Type: Analog Meter
Miniature Differential Pressure Gauge -- 1002PIS-15
from Orange Research, Inc.

Miniature Differential Pressure Gauges. These miniature differential pressure gauges measure the pressure difference between two points. Acting in the place of two pressure gauges, these units allow for one simple reading on an easy-to-read scale. Popular in filtration, flow and level applications,... [See More]

  • Pressure Measurement: Differential
  • Material: Liquid; Gas
  • Sensor Technology: Piston
  • Features: Alarm Indicator
Low Cost Differential Mechanical Pressure Switches -- EPD1S & EPD1H Series
from Barksdale Control Products

Barksdale's EPD1S and EPD1H Single Setting Pressure Differential Pressure Switches provide an ideal solution when you need a high quality, differential pressure switch with high reliability and accuracy to meet your application requirements. These snap-action switches are available in stripped or... [See More]

  • Pressure Measurement: Differential
  • Material: Liquid; Gas
  • Sensor Technology: Mechanical Deflection
  • Switch Point Range: 0.2200 to 40
400 Series Differential Pressure Switch -- Model S147B
from Clark Solutions

The 400 Series is a versatile family of pressure, differential pressure and temperature switches for applications which require single or multiple switching capabilities. Dual or triple switch versions provide multi-output in applications such as alarm and shutdown, pre-alarm and alarm, high/low... [See More]

  • Pressure Measurement: Differential
  • Material: Gas
  • Sensor Technology: Mechanical Deflection
  • Features: Alarm Indicator
Heavy-duty pressure switches -- Type KPS
from Danfoss A/S

The KPS switches range covers most outdoor as well as indoor application requirements, and are suitable for use in alarm and regulation systems in factories, diesel plant, compressors, powerstation and on board ships. Pressure ranges: 0 to 60 bar. Gold plated contact systems. Adjustable or fixed... [See More]

  • Pressure Measurement: Differential; Gauge
  • Working Pressure Range: ? to 1740
  • Material: Liquid; Gas
  • Switch Point Range: 0.0 to 870
6WPSDO Series Pressure Switch -- 6WPSDO
from Winters Instruments

Description & Features: • Designed to sense low differential pressures between high pressure sources • High pressure seals are opposed stainless steel bellows assemblies, while the differential pressure is sensed by a diaphragm clamped between these bellows assemblies • Diaphragm... [See More]

  • Pressure Measurement: Differential
  • Material: Liquid; Gas
  • Sensor Technology: Mechanical Deflection
  • Switch Point Range: 16 to 60
MAM 005 -- Custom
from MAMCO

The MAMCO MAM005 is a switch that combines gold crossbar contacts with all in one welded contact terminal construction that delivers reliability and extended life in harsh, low pressure environments. The MAM005 line of ultra-low pressure, vacuum and differential switches can be ordered... [See More]

  • Pressure Measurement: Differential; Vacuum; Negative Pressure
  • Material: Liquid; Gas
  • Sensor Technology: Mechanical Deflection
  • Tech: Electro-mechanical
Hydraulic High Pressure Switch -- 2300 Series
from Spectrum Associates, Inc.

Series 2300 Pressure Switches provide miniaturized instrumentation for detecting either pressure gain, or loss in pressurized systems. Designed to aerospace quality standards, these units provide high reliability even after 1,000,000 switching cycles. Rugged piston-actuated snap action switch... [See More]

  • Pressure Measurement: Differential; Gauge
  • Material: Liquid; Handles Hazardous Materials
  • Sensor Technology: Strain Gauge
  • Switch Point Range: 400 to 3500
Micro Switches -- MPL 9375 Series
from Micro Technologies

A snap action low-range high temperature pressure switch designed for outstanding performance in air-proving type applications. Self-cleaning contacts afford durable and stable switching performance throughout life. Ideal for air proving applications such as gas fired heating or appliance exhaust,... [See More]

  • Pressure Measurement: Differential; Vacuum
  • Material: Air
  • Sensor Technology: Mechanical Deflection
  • Switch Point Range: 0.0036 to 0.0723
NEMA-4X Differential Pressure Switch -- PSW-351
from OMEGA Engineering, Inc.

• Setpoint Repeatability of ±1%. • Rugged Epoxy-Coated NEMA-4X Watertight Enclosure. • Dependable Switch Actuation Between the Two Input Pressures. • High Static Pressure. • Single Setpoint with Adjsutable Deadband or Dual Setpoint with Fixed Deadband [See More]

  • Pressure Measurement: Differential
  • Material: Liquid; Gas
  • Sensor Technology: Mechanical Deflection
  • Number of Throws: Double Throw
Piston Sensor Differential Pressure Gauge -- 1203PS
from Orange Research, Inc.

Piston Sensor Differential Pressure Gauges. These piston sensor differential pressure gauges measure the pressure difference between two points. Acting in the place of two pressure gauges, these units allow for one simple reading on an easy-to-read scale. Popular in filtration, flow and level... [See More]

  • Pressure Measurement: Differential
  • Material: Liquid
  • Sensor Technology: Piston
  • Switch Point Range: 0.0 to 100
604 Series Differential Pressure Switch -- 604.E020030
from Clark Solutions

The 604 differential pressure switch is typically used for system interlock and alarm in ventilation ducts for monitoring of filter and fan pressures. They are also used to protect heating coils from overheating and for monitoring liquid level, laboratory and clean room pressures, fume hood and... [See More]

  • Pressure Measurement: Differential
  • Material: Gas
  • Sensor Technology: Mechanical Deflection
  • Switch Point Range: 0.0800 to 1.2
Pressure controller/ Pressure limiter -- Type BCP
from Danfoss A/S

The BCP pressure switch is a series of dedicated pressure switches for safety and pressure monitoring of steam and hot water boilers. The BCP incorporates a single-pole changeover microswitch where the contact position depends on the pressure in the connection port and the range set value. For... [See More]

  • Pressure Measurement: Differential; Gauge
  • Switch Point Range: 2.18 to 87.02
  • Material: Liquid; Gas
  • Scale Units: bar
Pressure Switch -- PSW20A
from OMEGA Engineering, Inc.

• Low Cost. • UL Recognized, CSA Cerified. • High Sensitivity. • For Pressure, Vacuum and Differential Applications [See More]

  • Pressure Measurement: Differential; Gauge; Vacuum
  • Material: Gas
  • Sensor Technology: Mechanical Deflection
  • Normal State: Normally Open; Normally Closed
CD Series Pressure Switch
from Clark Solutions

Model CD is a simple, reliable low cost pressure switch that uses a spring loaded diaphragm or a stainless steel piston as the sensing element. A Buna-N diaphragm is standard for ranges to 200 PSI and a stainless steel piston is used for higher ranges. In operation, the diaphragm/piston actuates a... [See More]

  • Pressure Measurement: Differential
  • Material: Liquid; Gas
  • Sensor Technology: Mechanical Deflection; Piston
  • Switch Point Range: 10 to 4500
Pressure switches -- Type RT
from Danfoss A/S

RT switches are used in general industrial and marine sectors. The RT single pressure switches series consist of a variety of ordinary controls including neutral zone pressure switches, safety pressure switches for steam boiler plant, and gold plated fail-safe controls for applications in which... [See More]

  • Pressure Measurement: Differential; Gauge
  • Switch Point Range: -14.5 to 435
  • Material: Liquid; Gas
  • Scale Units: bar
CJ Series Pressure Switch
from Clark Solutions

Model CJ is a simple, reliable low cost pressure switch that uses a spring loaded diaphragm as the sensing element. A Buna-N diaphragm is standard. In operation, the diaphragm actuates a snap action electrical switch that insures a positive, instantaneous electrical contact under all operating... [See More]

  • Pressure Measurement: Differential
  • Material: Liquid; Gas
  • Sensor Technology: Mechanical Deflection
  • Switch Point Range: 3 to 250
Pressure switches for air and water -- Type CS
from Danfoss A/S

CS pressure switches have a three-pole switch and adjustable differential. The pressure switches are fitted with a manual switch that will lock the contact system in the open position independently of the pressure in the system. For automatic start and stop of air compressors and water boosters. [See More]

  • Pressure Measurement: Differential; Gauge
  • Switch Point Range: 29.01 to 290
  • Material: Liquid; Gas
  • Scale Units: bar
Model 24 Differential Pressure Switch -- 011
from Clark Solutions

The 24 Series differential pressure and vacuum switch offers a unique blend of compact size, excellent performance, environmental protection and attractive price. Available with brass or polysulfone ® pressure connections, the Model 24 Pressure Switch will stand up in your most corrosive... [See More]

  • Pressure Measurement: Differential
  • Material: Liquid (optional feature); Gas
  • Sensor Technology: Mechanical Deflection
  • Switch Point Range: 1 to 10
Pressure switches for light industry -- Type KP
from Danfoss A/S

Danfoss KP pressure switches are used for regulating, monitoring and alarm systems in industrial applications. The KP series are suitable for gaseous media and air. They are fitted with a single-pole switch changeover (SPDT), and can control single-phase ac motors of up to 2 kW directly. Pressure... [See More]

  • Pressure Measurement: Differential; Gauge
  • Switch Point Range: -2.9 to 305
  • Material: Liquid; Gas
  • Scale Units: bar
NV Series Vacuum Switch
from Clark Solutions

Model NV is a simple, reliable low cost Vacuum switch that uses a spring loaded diaphragm as the sensing element. A Buna-N diaphragm is standard however a selection of other diaphragm materials are optionally available. In operation, the diaphragm actuates a snap action electrical switch that... [See More]

  • Pressure Measurement: Differential; Vacuum
  • Material: Gas
  • Sensor Technology: Mechanical Deflection
  • Vacuum Switch Setpoint: 658 to -2
Pressure switches for light industryType KPI
from Danfoss A/S

Danfoss KPI pressure switches are used for regulating, monitoring and alarm systems in industrial applications.The KP series are suitable for plant in connection with liquid and gaseous media. They are fitted with a single-pole switch changeover (SPDT). Pressure ranges: -0.2 to 28 bar High contact... [See More]

  • Pressure Measurement: Differential; Gauge
  • Switch Point Range: -2.9 to 406
  • Material: Liquid; Gas
  • Scale Units: bar
VM Series Vacuum Switch
from Clark Solutions

Model VM is a simple, reliable low cost Vacuum switch that uses a spring loaded diaphragm as the sensing element. A Buna-N diaphragm is standard however a selection of other diaphragm materials are optionally available. In operation, the diaphragm actuates a snap action electrical switch that... [See More]

  • Pressure Measurement: Differential; Vacuum
  • Material: Gas
  • Sensor Technology: Mechanical Deflection
  • Vacuum Switch Setpoint: 658 to -2
Pressure switches, TÜV approved for steam plant -- Type RT
from Danfoss A/S

T ÜV appoved RT switches are used in steam plants. The RT single pressure switches series consist of a variety of ordinary controls including neutral zone pressure switches, safety pressure switches for steam boiler plant, and gold plated fail-safe controls for applications in which safety or... [See More]

  • Pressure Measurement: Differential; Gauge
  • Working Pressure Range: ? to 609
  • Material: Liquid; Gas
  • Switch Point Range: 29.01 to 363