Eaton Crouse-Hinds series Arktite CPH plug, 30A/60A, 0.500-0.875" cable diameter, Three-wire, four-pole, Brass or copper contacts, Style 2, 5 HP, Copper-free alum, 3-phase, Mechanical cable grip and neoprene bushing, 120-240/480 Vac

CROUSE HINDS CPH7734 NATURAL COPPER FREE ALUMINUM MATERIAL; 0.5 INCH MIN. CABLE OUTER DIAMETER; 0.875 INCH MAX. CABLE OUTER DIAMETER; 3 WIRE(S); 3 PHASE(S); UL 1010 CSA C22.2 APPROVAL; 460 VAC VOLTAGE RATING; CLASS I DIV 1 AND 2 GROUP C D ENCLOSURE; 30 AMPERE CURRENT RATING