Anfield Pressure Switch 25-150 psi


The SPA is a minature pressure switch with a high quality snap action micro switch. Adjustable from 25–150 psi (1.7–10 bar).  It is suitable for pneumatic, water, and any low pressure hydraulic applications. The switch is field adjustable with an allen screw.



  • Snap action pressure switch
  • Factory set or field adjustable
  • Compact size
  • Cost effective


  • Pneumatic system control
  • Low pressure filter monitoring
  • Car washes
  • Gate control


Pressure Range 25–150 psi (1.7–10 bar)
Switch Type Snap Action
Protection DIN 43650A (18 mm): IP65 Spades: IP00
Flying Lead: IP64
Flying Lead with CA/CS: P67
Thread Option 1/8 MNPT
Circuit SPDT
Electrical Termination Flying lead 18" long, 18 AWG
Electrical 5A [12/24 VDC, 125 VAC] or 3A [250 VAC]
Ambient Temperature Range -40°F to 180°F (-40°C to 82°C)
Media Temperature Range Nitrile: -20°F to 180°F (-29°C to 82°C)
Viton: 23°F to 248°F (-5°C to 120°C)
HNBR: -20°F to 248°F (-29°C to 120°C)
EPDM:-20°F to 248°F (-29°C to 120°C)
Mechanical Range 1,000,000 Cycles @ 75 psi (5.2 bar)
Maximum Overpressure 350 psi (24 bar)
Repeatability ±2% of full set point range at 20°C (68°F)
Differential 6–20% of setting
Weight 0.26 lb (0.12 kg)
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