Working Principle:
This series product mainly uses the characteristics of the built-in stainless steel snap disc to be snapped under a certain pressure. When the disc snaps, it can drive the conversion of electrical contacts through a transfer pin as in “Figure 1”. When the pressure is reduced to below the recovery point, the pressure control can be reset automatically.
 
                                     Figure 1

Application:
This series products are mainly used in residential & commercial & automotive air-conditioner, ice making machine, air pressure & hydraulic pressure system, electrical refrigeration equipment system and so on for high and low pressure protection, it can also be used in all kinds of air pump, tools and equipment, agricultural machinery for air pressure and hydraulic pressure control.

Speficication:
1.Working pressure range: 0.01-55bar（0.001~5.5MPa）
2.Burst pressure: >35MPa
3.Ambient temperature: -30℃~+80℃
4.Medium temperature: -50℃~+120℃
5.Cycle life at rated current: 30,000 cycles, 50,000 cycles, 100,000 cycles optional
6.Electrical rating: 120/240VAC，375VA；36VAC/VDC，3A；120VAC，6FLA，36LRA；240VAC，3FLA，15LRA
7.Dielectric strength: AC700V/S between T-T. AC2000V/S between T-C
8.Switch configuration: SPDT, Auto-reset
9.Electrical connection: 6.35×0.8mm QC, or others wire lead
10.Fitting: NPT1/8"，G1/8"，NPT1/4"，G1/4"，7/16-20UNF，1/4" tube etc,or customized by your requirement. Connection material can be use brass or stainless steel