Full Technical Description: High Impact Strength Epoxy Powder Coated Copper-Free Aluminum Material; 3 Wire(S); Industrial Grade; UL 1682/1686, CSA C22.2, CE Approval; 600 Volt AC at 50 to 400 Hertz, 250 Volt DC Voltage Rating; 150 Amp Current Rating; 4 Pole(S); Corrosion Resistant, Water Tight; Spring Cap; 2, Shell, Extra Pole Grounding Style; POWERMATE[TM] Brand; Size 5-1/4 Inch Length X 4-1/4 Inch Width; Enclosure Rating NEMA 4X; Application Shaker, Agitator, Lighting Circuit, Mud Pump, Motor; CDR Model