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SMR440

SMR440--PRESSURE SWITCH

High precision controls at economical prices. Encapsulated, non-adjustable, single pole - single throw, direct mount switches for use with HFC, HCFC, and CFC refrigerants.

Features/Benefits

  • ¼" SAE 45° female flare fitting with valve core depressor
  • Excellent set point repeatability/stability
  • Life at rated load: 100,000 cycles
  • Manual reset high pressure
  • Rated Voltage 24/120/240 VAC @ 50/60 Hz
  • Small size and light weight for direct mounting
  • Snap acting stainless steel hermetically sealed sensor (SHP, SLP, and SFC)
  • Wire is 18 AWG, 18" long
  • WARNING: Prop 65 info
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Maximum FLA: 5.8 Amps @ 120VAC
Maximum FLA: 2.9 Amps @ 240VAC
Maximum LRA: 34.8 Amps @ 120VAC
Maximum LRA: 17.4 Amps @ 240VAC
Maximum Temperature: -31°F to 149°F (-35°C to 65°C)
Maximum Operating Pressure: 625 PSI
Burst Pressure: 2608 PSI
Open PSI: 440 PSI
Tolerance: +/- 15 PSI
DC Voltage: 6Vdc/12Vdc/36Vdc
Agency Approvals: UL® Recognized, CE®
Heat pump systems
Air conditioning systems
Refrigeration Systems
SDS Product Sheets Cross Reference Information
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Manuals Application Sheets Software
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Replacement Part:33352
Part Description:
Manufacturer :Mars®

Replacement Part:43315
Part Description:
Manufacturer :Mars®

Replacement Part:3100104
Part Description:
Manufacturer :Robertshaw®

No Accessories Available

Do these carry any certifications/approvals?: Yes, they are UL® Recognized, and CE® Certified.
What is the difference between the part numbers? : It is the PSI rating the switches operate.
Do we carry anything for use with DC voltage?: No, just AC at this time.
Do we offer any custom made to our specs swithces? : No, we do not.
Can these switches be used in a 460V application?: No, the maximum voltage is 240VAC.