Mechanical Interlock Device Circuit Breaker Amp Rating Not Applicable Circuit Breaker Type Not Applicable Current Rating 30 A Fuse Protection Fused Fuse Type Class H K Locking Handle Yes NEMA Enclosure Rating 12 3 3R 4 4X Number of Poles 4 Number of Wires 3 Voltage Rating 600V AC Compatible Plug Manufacturer Part Number Not Applicable Disconnect Switch Yes Enclosure Lock Type Padlockable For Maximum Cable Diameter Not Applicable For Minimum Cable Diameter Not Applicable