CPH Series Plug, Number Of Poles: 4, Number Of Wires: 3, Amperage Rating: 60 AMP, Voltage Rating: 125 - 250/480 VAC, Phase: 3 PH, Material: Copperfree Aluminum, Nema Rating: NEMA 3, 3R, 4, 4X, 7BCD, 9FG, Motor Horsepower: 5 HP, Plug Cable Diameter: 0.39 - 1-3/8 IN, Dimensions: 3.06 IN Width X 3.06 IN Height X 8.44 IN Depth, Standard: Class I, Division 1 And 2, Groups B, C, D, Class II, Division 1 And 2, Groups F, G, Class III, For JBR Receptacles