Mersen Ferraz Shawmut Power Distribution Block, Finger Safe, 600 VAC, 840 A, 1 Pole, 2 Primary Connections/Pole, 2 Secondary Connection/Pole, 4 AWG to 600 kcmil Wire, 100 kA Short Circuit Current Rating, Tin Plated, Gray, 5.71 in H x 2.84 in W x 3.15 in D