Pressure Switch, Air Compressor, Manual Switch Action None, (1) Port, 1/4 in FNPS, Pressure Switch Factory On/Off Setting 120/150 psi, No Pressure Switch Unloader, Pressure Switch Differential 30 psi, Pressure Switch Range 40 to 150 psi, Pressure Switch Electrical Contact Form DPST, Pressure Switch Action Standard, NEMA Rating 1, Series 9013FHG, HP @ 1 Phase - 120V 1 1/2 hp, HP @ 1 Phase - 240V 2 hp, HP @ 3 Phase - 240V 3 hp, HP @ 3 Phase - 480V 1 hp, Temp. Range -22 Degrees to 257 Degrees F