Full Technical Description: Natural Copper Free Aluminum Material; 3 Wire(S); 600 V at 50 to 400 Hz/250 VDC Voltage Rating; 30 Ampere Current Rating; 4 Pole(S); Corrosion Resistant, Dirt Tight, Dust Tight, Moisture Resistant, Water Tight; (1) 1 Inch Back Hub Type; Snap on Cap/Spring Door; 2, Extra Pole Grounding Style; Arktite. Brand; Application Cement Plant, Chemical Plant, Conveyor, Food Processing Plant, Motor, Pulp and Paper Plant, Pump, Sewage Plant, Welder; Color Gray; Enclosure NEMA 4X; NR Model