Littelfuse® LFR604003C POWR-GARD® LFR Fuse Block, 600 VAC, 400 A, 1/0 AWG to 350 kcmil Wire, 3 Poles

The Littelfuse Class H/K5 and R blocks offer many benefits such as indication, snap-to-release DIN rail mounting and universal mounting holes. Class H and Class R fuse blocks are dimensionally the same, but Class R blocks incorporate a rejection feature, which only allows Class R fuses to be inserted.