Air Compressor Pressure Switches For all global air compressor and water applications. Diaphragm actuated. Model SP-205 UL Listed and CSA Certified. DPST switch Rated 20A Temp. range: -22° to 257°F Pressure Switch, Air Compressor, Standard Action, Factory On/Off Set 140 to 175 PSI, Pressure Range 60 to 200 PSI, Adjustable Differential, Differential Pressure 28 to 40 PSI, Burst Pressure 500 PSI, Port Type 4-Port 1/4 In NPT (Female), 1/4 In Compression Unloader, Diaphragm Actuation Type, Manual Switch Action Auto/ Off, Single Phase, DPST Contact Type, 20 Amps, NEMA 1 Enclosure, Temp Range -22 to 257 F, Standards UL/CSA TYPE Air Compressor ITEM Pressure Switch ACTION Standard FACTORY ON/OFF SETTING (PSI) 140 to 175 PRESSURE RANGE (PSI) 60 to 200 DIFFERENTIAL Adjustable DIFFERENTIAL PRESSURE (PSI) 28 to 40 BURST PRESSURE (PSI) 500 NUMBER OF PORTS 1 PORT TYPE 1-Port 1/4" NPT (Female) UNLOADER 1/4" Compression ACTUATION TYPE Diaphragm MANUAL SWITCH ACTION Auto/ Off PHASE Single CONTACT TYPE DPST AMPS 20 HP @ 1 PHASE - 120V 2 HP @ 1 PHASE - 230V 3 ENCLOSURE NEMA 1 TEMP. RANGE (F) -22 to 257 STANDARDS UL/CSA SERIES SP-205 WEIGHT 0.850000