Linergy NEMA fuse holders are panel mount fuse holders that will accept class H, R, CC, M, and J fuses up to 200 Amps. This three pole fuse holder will accept class R fuses. The rating of the fuse can be up to 100 Amps with a 600 V maximum rating. The box lug connectors will accept 6 to 2/0 AWG (16 to 50 mm2) solid or stranded copper or aluminum wire. Fuse clips are made of one piece aluminum with copper spring that is tin plated. The fuse clips are reinforced for a better connection. The fuse holder base is made of general purpose phenolic. AIC Rating in accordance with UL512 is 20,000 Amp. This fuse holder is UL listed and CSA certified.