Pin and Sleeve Plug, 30 A, 600 V Ac 3 Phase @ 50 to 400 HZ 250 V DC, 4 Poles, 3 Wires, Epoxy Powder Coated Copper Free Aluminum, -40 °C Operating Temperature, +107 °C Operating Temperature, Pressure Wire Terminal, #10 to #6 Awg (Building);#10 to #8 Awg (Extra Flex) Wire Size, 1.8 LB