Power Distribution Block For Conductor Material Aluminum Copper Line Connections/Pole 1 Line Side Stud Size 1/2-13 x 1-1/16 in Load Connections/Pole 1 Load Side Stud Size 1/2-13 x 1-1/16 in Maximum Current - Copper Conductor 400 A Maximum Voltage 600 V AC/DC Number of Poles 3 Overall Depth 4 in Overall Length 6.5 in Overall Width 4.5 in UL 94 Flammability Rating V-0 Housing Color Black Housing Material Thermoplastic Line Side Connection Type Stud Load Side Connection Type Stud