We are offering pressure switches. 1refrigerant r134a 2external leak pressure:3.8 mpa 3stand pressre5.3 mpa 4rating loaddc12v 5a 5stand voltage testac500v 1min 6insulation resistancedc500v 50m7voltage drop0.25v we can customized your pressure switches as required. for general motors-kia3/8-24 unf femaleoff:2.1kg/cm2r-12