Littelfuse LFH 30A Class H Fuse Block, Screw, 3 Poles, 250Vac/Vdc, LFH25030-3S

The new Littelfuse Class H blocks offer many advantages over previous generations that are noted in the features and benefits section. 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.