Hubbell Wiring Device-Kellems, HBL460MIS2W, Mechanical Interlock, 1/3-Phase Female Fused Grounding Industrial Grade Pressure Screw Terminal Style 2 Standard Watertight, 600 V AC, 60 A, 36000 W Power, 3 Pole, 4 Wires, 1-1/4 in NPT Hub, NEMA 4X/12K/IP67 Enclosure, Threaded Mounting, Thermoplastic, Gray, 10.18 in L x 8.43 in W x 15.36 in H Dimensions