Fuse Block, Fits Fuse Type Class CC, Fuse UL Class CC, 0 to 30 A, Number of Poles 1, 600V AC/DC, For Fuse Size 1 1/2 in L x 13/32 in dia, Compatible Fuse Series ATDR, ATMR, ATQR, CCMR, FNQ-R, KLDR, KLKR, KTK-R, LP-CC, Series L600C, Nonindicating, Rejection, Fuse Block Design Open, Wire Range 14 to 10 AWG, Mounting Style Bolt-Down, Body Material Thermoplastic, Connector Type Pressure Plate, Height 1.25 in, Width 0.78 in, Length 3 in, Spring Reinforced Clip No These fuse blocks are compatible with UL class CC fuses rated up to 30A, 600VAC for overcurrent protection of branch circuits, control circuits, lighting, transformers, and general loads. They are rejection-style blocks that prevent midget fuses from being installed.UL Class and midget fuse blocks accept fuses sized and rated according.