Eaton Crouse-Hinds series Arktite CPH plug, 30A/60A, 0.875-1.375" 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 CPH7934 NATURAL COPPER FREE ALUMINUM; 115 TO 230 VAC; 60 AMPERE; POWER RATING 5 HP; 3 PHASE; 4 POLE; 3 WIRE; CABLE OUTER DIA 0.875 INCH TO 1.375 INCH; AR CES CESD NR MATING RECEPTACLE; CLASS I DIV 1 AND 2 GROUP C D; APPROVAL UL 1010 CSA C22.2