Full Technical Description: Circuit Breaking, Compressor, Conveyor, Motor Generator Set, Polarized, Welder Type; Natural Finished Copper Free Aluminum Material; 0.875 Inch min. Cable Outer Diameter; 1.375 Inch Max. Cable Outer Diameter; 4 Wire(S); UL 1203/1682/1686, CSA C22.2, CE Approval; 600 VAC at 50 to 400 Hz, 250 VDC Voltage Rating; 30 Ampere Current Rating; 5 Pole(S); Corrosion Resistant, Dirttight, Dusttight, Watertight, Moisture Resistant; 2, Shell, Extra Pole Grounding Style; ARKTITE[R] Brand; Size 6-1/2 Inch L X 2-15/16 Inch W; Enclosure NEMA 4; Application Chemical Plant, Heating and Cooling Unit, Lighting System, Manufacturing Plant, Meat Packing Plant, Process Industry; Includes Cable Grip, Neoprene Bushing; APJ Model