500L NEMA Enclosed Lighting Contactors, NEMA 3, Type 3R, 7 & 9 Hazardous Locations, Cast Aluminum, External Reset, Drain, Multi-Bolt Fasteners, 460-480V 60Hz, 3 Power Poles, Yes , 115-120V 60Hz , HAND-OFF-AUTO Selector SwitchASSEMBLYAssembly?Factory...