Dual Pressure Switch

Dual pressure switches are to be used in refrigeration and air-conditioning systems to provide protection against overly low suction pressure or overly high discharge pressure. The controls are also used for beginning and stopping refrigeration compressors and fans on air- cooled condensers.

Dual Pressure Controls are out there in versions for regulation of high pressure on each left and right facet or regulation of low pressure on left and high pressure on right facet (versions with LP signal or LP+HP signals). Enclosure rating IP30 or IP44.

Specifications :
  • Operating Elements: 3 Easy-Response Pushbuttons
  • System of Protection: IP 67
  • Electrical-Connection: Plug M 12 X 1, 4 or 5-Pin
  • Weight: Approx. 200 G
  • Switching Frequency: max. 100 Hz
  • Load: Max. 500 mA, Short-Circuit Proof
  • Delay: 0.0 S.9.9 S Adjustable
  • Status Display(S): Led(S) Red
  • Power Consumption: Approx. 50 mA (without load)
Features :
  • Adjustable pressures and differentials
  • Narrow adjustable differential counting on model
  • Range and differential separately lockable by tab
  • High rated SPDT contacts for all versions
  • Captive terminal and cover screws
  • Manual toggle for system checkout and override
  • Factory put in wire bridge for reduced installation effort
  • High facet convertible from manual to auto reset.
  • Ultra-short bounce time because of snap-action function (reduces wear to a minimum and will increase reliability)
  • Manual trip operates (electrical contact function is often tested while not the use of tools)
  • Vibration and shock resistant
  • Compact style
  • Fully welded bellows part
  • High reliableness each electrically and automatically

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