Full Technical Description: Circuit Breaking, Compressor, Conveyor, Motor Generator Set, Polarized, Welder Type; Natural Finished Copper Free Aluminum Material; 1 Inch min. Cable Outer Diameter; 1.7 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; 100 Ampere Current Rating; 4 Pole(S); Corrosion Resistant, Dirttight, Dusttight, Watertight, Moisture Resistant, Weatherproof; 1, Shell Grounding Style; ARKTITE[R] Brand; Size 10-1/8 Inch L X 4-1/8 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