Pressure Switch, Air Compressor, Manual Switch Action None, (4) Port, 1/4 in FNPT, Pressure Switch Factory On/Off Setting 140/175 psi, No Pressure Switch Unloader, Pressure Switch Differential 30 to 65 psi, Pressure Switch Range 40 to 175 psi, Pressure Switch Electrical Contact Form DPST, Pressure Switch Action Standard, NEMA Rating 1, Series MDR11, HP @ 1 Phase - 120V 2 hp, HP @ 1 Phase - 240V 3 hp, Temp. Range -22 Degrees to 257 Degrees F, Standards ISO 9001. This item has been restricted from sale in the following state (s): []