PS Series pressure switch is an advanced miniature pressure switch in the world. It's an electrical switch that makes the circuit open or close when the pressure of the controlled medium increase or decrease. It's widely used in frfrigeration system, oil pump, air pump, automobile industries and others.
Application
1.Discharge and suction pressure monitoring
2.Subcooling and superheat calculations
3.Compressor oil pressure monitoring
4.Condenser fan control
5.Compersspr staging and unloading
5.Compressor staging and unloading
6.Electronic expansion valve control
7.Industrial automation equipment
8.Industrial process measurement and control
9.Hydraulic and oneumatic system quipment
10.Precise measurement for fluid pressure, such as tube hydraulic, gas pressure, food, beverage isdustry and machine engineer
ItemTechnical ParameterPressure Setting RangeAutomatic Reset:0.1Mpa-3.05Mpa;Manual reset:2.5Mpa-3.4MpaElectrical Ratings120/240VAC,375VA;28VAC/VDC,2A 120VAC, 5.8FLA, 34LRA; 240VAC, 2.9FLA, 15LRAAmbient Temperature and Humidity-35ºC+120ºC;less than 95% RHContact ResistanceLess than 100mΩInsulation ResistanceMore than 100mΩDielectric Voltage Withstand Withstand 1500vac for one minute without breakdownBurst Pressure35Mpa for one minute without body rupture and seals failureLeakageTotal maximum allowable leak rate of 7*10-6cc/sec of at least 70% helium at 1.0MpaDurability100,000 cycles(automatic);6,000 cycles(Manual)Flame RatedUL94V-0