Power Distribution Block For Conductor Material Aluminum Copper Line Connections/Pole 1 Line Side Stud Size 3/8-16 x 1-7/16 in Load Connections/Pole 2 Load Side Stud Size 1/4-20 x 9/16 in Maximum Current - Copper Conductor 310 A Maximum Voltage 600 V AC/DC Number of Poles 2 Overall Depth 3.22 in Overall Length 3.98 in Overall Width 3.35 in UL 94 Flammability Rating V-0 Line Side Connection Type Stud Load Side Connection Type Stud Maximum Operating Temperature 248 Degrees F