Appleton® Powertite® Pin and Sleeve Receptacle, 3-Phase Grounding Style 1 Reverse Service, 600/250 VAC/VDC, 100 A, 40 hp, 50 to 400 Hz, 3 Pole, 3 Wires, NEMA 3/3R/4/4X, 1-1/2 in Hub, 0.875 to 1.906 in Cord Dia, -40 to 225 deg F, Pressure Wired Terminal, Copper Free Aluminum, 11.44 in H x 7.88 in W x 9 in D