Mersen Ferraz Shawmut Power Distribution Block, Intermediate Open Style, Series: MPDB, 600 VAC, 310 A, 3 Poles, 1 Primary Connections/Pole, 10 Secondary Connection/Pole, 6 AWG to 350 kcmil Line, 14 to 6 AWG Load Wire, 100 kA Short Circuit Current, Polycarbonate, Tin Plated, Black, 3.88 in H x 1.85 in W x 5 in D