Pressure Switch, Air Compressor, Manual Switch Action Auto/Off, (1) Port, 1/4 in FNPT, Pressure Switch Factory On/Off Setting 160/200 psi, No Pressure Switch Unloader, Pressure Switch Differential 40 to 65 psi, Pressure Switch Range 50 to 200 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 CSA Certified, UL Listed