Bryant 4901RKL Barrel Key Switch, Single Pole, 20A, 120/277V AC, Rotary Locking

General purpose ac, industrial switches construction base material thermoset face material thermoset, color coded by voltage toggle/actuator material metallic terminals high performance copper alloy mounting yoke brass and nickel plated steel contacts silver cadmium oxide movable contact arm high performance copper alloy rocker thermoplastic elastomer ground terminal brass and nickel plated steel terminal screws brass ground screw brass (green) auto ground clip stainless steel technical specs dielectric voltage withstands 1500v minimum overload minimum 48 times rated current for 100 cycles temp. rise 30 deg c maximum at rated current max continuous current 20a endurance 50,000 cycles min, tungsten filament lamp load (fed spec) #ws896e flammibility ul 94 v2 operating temperature maximum continuous 75 deg c- minimum -40 dec c (w/o impact) certifications standards complies with ul 20 and nema wd-1 federal specifications verified under fed spec #ws896e ul certification ul listed, file e1464, guide #wmuz these barrel key switches are all keyed the same way. the same key will work on all of the switches.