Receptacle, Circuit Breaker Amp Rating 50 A, Circuit Breaker Type FD 600V AC, Current Rating 60 A, Fuse Protection Not Applicable, Fuse Type Not Applicable, Hazardous Location Specification Class I, Div 1 and 2, Group C, D, Class II, Div 1 and 2, Group F, G, Class III, Div 1 and 2, Locking Handle Yes, NEMA Enclosure Rating 3, 3R, 4, 4X, 7CD, 9FG, Number of Poles 4, Number of Wires 3, Voltage Rating 600V AC, Compatible Plug Manufacturer Part Number Not Applicable, Disconnect Switch No