SS-E Electric Pressure Switch (Model 4E02)

The Ruelco SS-E electric pressure switch is operated by pressure acting on a piston opposing an adjustable spring force. It functions as either a normally closed or normally open switch, depending on which contacts are used. Pressure applied to the sense port will cause the valve to operate.

  • 316 stainless steel construction (models to N.A.C.E. MR0175 available).
  • Standard base range 10-10,000 PSI (with 1/4″ piston option).
  • Operating pressure range from .5 to 20,000 PSI.
  • Holds constant and accurate set points.
  • Designed for 1% plus or minus repeatability on set points.
  • Minimum deadband between trip and reset pressure.
  • Uses hermetically sealed, snap acting, dry contact switches rated explosion proof (U.L. rated Class 1, Div. 1, Groups A, B, C, D).
  • Spring may be replaced with instrument and sensing pressure present in the sensor.
  • Vent above sensing piston prevents high pressure from entering instrument supply should a piston seal leak develop.
  • Optional indicating scale available upon request (Model 4E03).
  • SIL 3 Certified models available.

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