Bussmann Power Distribution Block, Barrier Terminal, 600 VAC, 310 A, 3 Poles, 1 Primary Connections/Pole, 12 Secondary Connection/Pole, 4 AWG to 350 kcmil Wire, 400/175 A Class CC Fuse, 200 kA Short Circuit Current Rating, Aluminum, TiN Plated, Black, 5.5 in L x 6 in W x 3.7 in H