Pressure Switch; Type Adjustable; Operator Type Diaphragm; Operating Pressure Rating 0.17 to 6 Inch WC; Maximum Surge Pressure Rating 20 Inch WC; Differential Pressure Rating 0.5 Inch WC; Pressure Media Air; Contact Configuration SPDT 2-Circuit; Contact Rating 125 Volt AC 10 Amp 1/8 HP, 250 Volt AC 8 Amp 1/4 HP, 277 Volt AC 7 Amp, 125 Volt Amp 125/277 Volt AC (Pilot Duty); Connection Type 1/8 Inch Threaded; Approval UL, CSA, FM; Depth 3 Inch; Ambient Temperature Rating -20 to 170 Deg F