Conrader SRH250 1 4 CE 150 Hard Seat Pneumatic Safety Valve, 1 4 in MNPT, 150 psi Preset, Brass 30 076 Housing Color: White Housing Color: White UL Listed Description Special Features Class 10 Ambient Compensated Thermal Overload Relay Pilot Light No HP @ 3 Phase 575V 10 hp Thermal Unit Code N1 HP @ 3 Phase 460 575V 10 hp Phase Loss Sensitivity No Thermal Overload Type Melting Alloy Motor Starter Type non reversing Includes Pilot Light No Horsepower @ Three Phase 600V AC 10 hp Starter Style NEMA NEMA Enclosure Rating No Enclosure Horsepower @ Three Phase 480V AC 10 hp Terminal Connection Type Screw Clamp Terminals Maximum Voltage Rating 600V AC Overload Protection Type Thermal Horsepower @ Three Phase 240V AC 7 1 2 hp Wire Gauge AWG 14 to AWG 8 copper Stainless Steel Ball 400 °F Body Material Brass Ball Stainless Steel Seat Brass Spring 17 7 SS Seal Stainless Steel Application Air