Switched Pin and Sleeve Receptacle Assembly, Type Dead Front, Voltage Rating 600 VAC, Current Rating 60 Ampere, Number of Poles 4, Number of Wires 3, Hub Size 1-1/2 Inch, Mating Plug ACP, Enclosure Class I Div 1 and 2 Group B C D, Class II Div 1 and 2 Group F G, Class III, NEMA 3/3R/4/4X/7BC7D/9FG, Approval UL 894/1010/1682/1686, Application Lighting Systems, Conveyors, Heaters, Motor-Generator Sets, Air Conditioners, Compressors, Pumps, Constructional Feature Explosionproof, Material Epoxy Powder Coated Copper-Free Aluminum