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 , Line Side Connection Type Stud, Load Side Connection Type Stud