Full Technical Description: Circuit Breaking, Compressor, Conveyor, Motor Generator Set, Polarized, Welder Type; Natural Copper-Free Aluminum Material; 1.375 Inch min. Cable Outer Diameter; 1.875 Inch Max. Cable Outer Diameter; 3 Wire(S); UL 514/1010/1203/1682/1686, CSA C22.2, CE Approval; 600 Volt AC at 50 to 400 Hertz, 250 Volt DC Voltage Rating; 200 Amp Current Rating; 4 Pole(S); Corrosion Resistant, Dirt Tight, Dust Tight, Moisture Resistant, Weatherproof; 2, Shell, Extra Pole Grounding Style; ARKTITE[R] Brand; Size 14.75 Inch Length X 6.75 Inch Width X 6.75 Inch Depth; Enclosure Rating NEMA 3R; APL Model