Power Distribution Block For Conductor Material Aluminum Copper Line Connections/Pole 1 For Line Copper Wire Size - Minimum 2 AWG For Line Copper Wire Size - Maximum 600 kcmil Load Connections/Pole 12 For Load Copper Wire Size - Minimum 14 AWG For Load Copper Wire Size - Maximum 4 AWG Maximum Current - Copper Conductor 420 A Maximum Voltage 600 V AC/DC Number of Poles 3 Overall Depth 3.75 in Overall Length 6.5 in Overall Width 4.25 in UL 94 Flammability Rating V-0