Supco - SMR375 - Pressure switch refrigeration manual reset high pressure

Item Number: SUPSMR375  MFR Part Number: SMR375


Pressure Switch Refrigeration Manual Reset High Pressure
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Refrigeration Pressure Switches
High precision controls at economical prices. These switches are encapsulated nonadjustable, SPST, direct mount switches for use with HFC, HCFC and CFC refrigerants. The switches are available with automatic reset in both open low and open high configurations and manual reset with open high switching. These switches can also be used as operating controls in applications such as a low ambient condenser fan control.

  • Low pressure open on pressure drop SPST
  • High pressure open on pressure rise SPST
  • Manual pressure open on pressure rise SPST
  • Fan cycle close on pressure rise SPST
  • Snap action stainless steel hermetically sealed sensor (SHP, SLP & SFC)
  • Excellent set point repeatability and stability
  • Refrigeration systems
  • Air conditioning systems
  • Heat pump systems
Pressure Switch Ratings:
  • Life Cycles @ RLA 100,000 Average
  • Maximum LRA 36 Amps
  • Maximum RLA/Volts
  • Rla: 12 To 28 VDC / VAC 10 Amps 48 VDC / VAC 5 Amps 110 To 120 VAC 5.8 Amps 208 To 240 VAC 2.9 Amps
  • Temperatures: Ambient 20 °F To 176 °F (-30 °C To 80 °C) Fluid 60 °F To 250 °F (-50 °C To 120 °C)
  • Pressure Ranges: Working 0 To 650 PSI Bursting 5,000 PSI
  • Connection: 1/4" Sae Female Flare with Valve Core Depressor
  • Wire Leads: UL1015 18 Awg / 18" Length

California residents: see Proposition 65 Warning

Weight0.13 Pounds (Lb)
Width1 Inches (In)
Height1 Inches (In)
Country of OriginBRA
Length9 Inches (In)
Voltage12-240 VAC/VDC
ApplicationManual Reset
Switch ActionManual Reset
TypeManual Reset
CUL ListedNo
UL ListedNo
UL RecognizedYes