Our Products

Our Products > Process Measurement and Analysis > Pressure Switches

SPA/SPF Pressure Switch


  • Compact pressure switch with the features of low pressure switch, factory set or field adjustable and cost effective
  • Switch type: snap action
  • Adjustment ranges: 0.2 to 0.5/ 0.3 to 2.1/ 1.7 to 10 (bar)
  • Maximum over pressure: 25 bar
  • Mechanical connection: 1/8” NPT, 1/4”NPT, 1/4”BSPP, others optional
  • Electrical connection: Flying leads, DIN Cable Clamp, 5A DIN, 5B DIN, 5C DIN,
  • DIN1/2” Conduit (Female), DIN43650A male half only, 1/4” Spades
  • Relay(SPST, SPDT) outputs
  • Universal power supply
  • Temperature range: - 29°C to 82°C
  • Housing material: Brass
  • Protection:DIN 43650A-IP65
  • UL approval models available

SMA/SMF Pressure Switch


  • Versatile pressure switch for heavy duty applications
  • Switch type: snap action
  • Adjustment ranges: 0.7 to 2.4/ 2.0 to 8.0/ 5.2 to 21/ 21 to 83/69 to 207/ 138 to 345 (bar)
  • Maximum over pressure: 600 bar
  • Mechanical connection: 1/8” NPT, 1/4”NPT, 1/4”BSPP, others optional
  • Electrical connection: Flying leads, DIN Cable Clamp, 5A DIN, 5B DIN, 5C DIN,
  • DIN1/2” Conduit (Female), DIN43650A male half only, 1/4” Spades
  • Relay(SPST, SPDT) outputs
  • Universal power supply
  • Temperature range: - 29°C to 82°C
  • Housing material: Zinc plated steel
  • Protection:DIN 43650A-IP65
  • ULapproval models available

SWA Pressure Switch


  • Compact pressure switch suitable for OEM applications
  • WRAS approved EPDM diaphragms for potable water use available
  • Switch type: snap action
  • Adjustment ranges: 0.5 to 1.5/ 1.0 to 2.4/ 2.1 to 6.9 (bar)
  • Maximum over pressure: 17 bar
  • Mechanicalconnection: 1/8” NPT, 1/4”NPT, 1/4”BSPP
  • Electrical connection: Flying leads, DIN Cable Clamp, 5A DIN, 5B DIN, 5C DIN,
  • DIN1/2” Conduit (Female), DIN43650
  • Relay(SPST, SPDT) outputs
  • Universal power supply
  • Temperature range: - 29°C to 82°C
  • Housingmaterial: Brass (optional stainless steel)
  • Protection:DIN 43650A-IP65
  • UL approval models available

SDCA Pressure Switch


  • Robust pressure switch with full metal stops for demanding applications
  • Switch type: snap action
  • Adjustment ranges: 1.2 to 5.2/ 3.4 to 10/ 10 to 44/ 34 to 120/ 103 to 413 (bar)
  • Maximum over pressure: 827 bar
  • Mechanical connection: 1/8” NPT, 1/4”NPT, 1/4”BSPP
  • Electrical connection: Flying leads, DIN Cable Clamp, 5A DIN, 5B DIN, 5C DIN, DIN 1/2”Conduit (Female), DIN43650
  • Relay(SPDT) outputs
  • Universal power supply
  • Temperature range: - 29°C to 82°C
  • Housing material: Zinc plate steel (optional stainless steel)
  • Protection:DIN 43650A-IP65

SKBA Pressure Switch


  • Miniature pressure switch with high proof pressure ideal for mobile and harsh applications
  • Switch type: blade contact
  • Adjustment ranges: 0.1 to 1.4/ 1.4 to 8.2/ 6.2 to 17/ 17 to 65/ 48 to 131/ 69 to 206 (bar)
  • Maximum over pressure: 600 bar
  • Mechanical connection: 1/8” NPT, 1/4”NPT, 1/4”BSPP
  • Electrical connection: Flying leads, DIN Cable Clamp, 5A DIN, 5B DIN, 5C DIN, DIN 1/2”Conduit (Female), DIN43650
  • Relay(SPST) outputs
  • Universal power supply
  • Temperature range: - 29°C to 82°C
  • Housing material: Zinc plate steel (optional stainless steel)
  • Protection:Exposed terminals - IP00 (IP68 available)

SKDA Pressure Switch


  • With features of silver nickel alloy contacts, direct blade contact,diaphragm/piston combination, integrated Deutsch receptacle and gold contact available
  • Switch type: blade contact
  • Adjustment ranges: 0.1 to 1.4/ 1.4 to 8.2/ 6.2 to 17/ 17 to 65/ 48 to 131/ 69 to 206 (bar)
  • Maximum over pressure: 600 bar
  • Mechanical connection: 1/8” NPT, 1/4”NPT, 1/4”BSPP
  • Electrical connection: Flying leads, DIN Cable Clamp, 5A DIN, 5B DIN, 5C DIN,
  • DIN1/2” Conduit (Female), DIN43650
  • Relay(SPST) outputs
  • 42VDC @ 100 VA power supply
  • Temperature range: - 29°C to 82°C
  • Housing material: Zinc plate steel (optional stainless steel)
  • Protection: IP67

DDPS5 Differential Pressure Switch


  • Measurement differential pressures in non aggressive gases and atmospheres
  • Digitally programmable switching point and zero point correction is also possible
  • 4-digit LCD display
  • Measuring range:
  • 1-2-4 mbar
  • 2.5-5-10 mbar
  • 12.5-25-50 mbar
  • 14to 30 VDC Supply
  • Switching outlet Transistor NPN 30 V / 1 A
  • 0 to10 V output
  • Process connection: hose connector 3.5 / 5.5 mm
  • Temperature range: 0°C to 50°C
  • Protection class: IP65


DDPS3 Differential Pressure Switch


  • Measurement differential pressures in non aggressive gases and atmospheres
  • Digitally programmable switching point and zero point correction is also possible
  • 4-digit LCD display
  • Measuringrange: 1-2-4 / 2.5-5-10/ 12.5-25-50/ 50-100-200 mbar
  • 24VDC +/- 10% supply voltage
  • Analog(mA, V) outputs
  • Switching outlet Relay 2 Relay NC / NO
  • Process connection: hose connector 3.5 / 5.5 mm
  • Temperature range: 0°C to 50°C
  • Protection class: IP65

DDPS2 Differential Pressure Switch


  • Measurement differential pressures in non aggressive gases and atmospheres
  • Digitally programmable switching point and zero point correction is also possible
  • 4-digitLCD display
  • Measuringrange: 1 to 2000 bar
  • 24VDC +/- 10% supply voltage
  • 0 to10 V output
  • Switching outlet relay (switching outlet transistor NPN optional)
  • Pressure connector: G ¼ E (other on request)
  • Temperature range: 0°C to 50°C
  • Protection class: IP65

COPYRIGHT 2018 Four Star Enterprises Pte.Ltd.  |  All Rights Reserved  |  Designed & Maintained by Web Dreams Pte Ltd