Watertight Mechanical Interlock Device, Circuit Breaker Amp Rating 60 A, Circuit Breaker Type Not Applicable, Current Rating 60 A, Fuse Protection Non-Fused, Fuse Type Not Applicable, Locking Handle Yes, NEMA Enclosure Rating Not Rated, Number of Poles 3, Number of Wires 4, Voltage Rating 480V AC, Compatible Plug Manufacturer Part Number 5Z917, Grounding Grounded, Horsepower Rating 30 hp, Housing Material , Maximum Wire Size 2 AWG, Phase Three, Resistance Properties Watertight