Watertight Mechanical Interlock Device, Circuit Breaker Amp Rating 30 A, Circuit Breaker Type Not Applicable, Current Rating 30 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 5Z941, Grounding Grounded, Horsepower Rating 15 hp, Housing Material , Maximum Wire Size 8 AWG, Phase Three, Resistance Properties Watertight, Standards CSA Certified, cULus