Power Distribution Block For Conductor Material Aluminum Copper Line Connections/Pole 1 For Line Copper Wire Size - Minimum 6 AWG For Line Copper Wire Size - Maximum 500 kcmil Load Connections/Pole 2 Load Side Stud Size 1/4-20 x 1 in Maximum Current - Copper Conductor 380 A Maximum Voltage 600 V AC/DC Number of Poles 3 Overall Depth 4.75 in Overall Length 6.5 in Overall Width 4.25 in UL 94 Flammability Rating V-0 Housing Color Black Housing Material Thermoplastic