Watertight Mechanical Interlock Device Circuit Breaker Amp Rating 60 A Circuit Breaker Type Not Applicable Current Rating 60 A Fuse Protection Fused Fuse Type Class J 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 Thermoplastic Maximum Wire Size 2 AWG Phase Three Resistance Properties Watertight Standards CSA Certified cULus