Lefoo LF17-H1 Heavy Duty Metal Housing Replacement Air Compressor Pressure Switch,1 port, 140 - 175 PSI Air Compressor Pressure Switches For all global air compressor applications. LF 17 Single Port Series (LF17-H1) UL Listed and CSA Certified. DPST switch Rated 24A @ 120V Rated 20A @ 240V Temp. range: -22° to 257°F Pressure Switch, Air Compressor, Standard Action, Factory On/Off Set 145 to 175 PSI, Pressure Range 40 to 250 PSI, Burst Pressure 500 PSI, Port Type 1-Port 1/4 In NPT (Female), 1/4" Compression Unloader, Diaphragm Actuation Type, Single Phase, DPST Contact Type, 20-24 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) 145 to 175 PRESSURE RANGE (PSI) 40 to 250 DIFFERENTIAL RANGE (PSI) 20 to 60 BURST PRESSURE (PSI) 500 NUMBER OF PORTS 1 PORT TYPE 1-Port 1/4" NPT (Female) UNLOADER 1/4" Compression ACTUATION TYPE Diaphragm PHASE Single CONTACT TYPE DPST AMPS 20-24 HP @ 1 PHASE - 120V 2 HP @ 1 PHASE - 240V 3 ENCLOSURE NEMA 1 TEMP. RANGE (F) -22 to 257 STANDARDS UL/CSA SERIES LF17 WEIGHT 1.850000