Mersen R642 Class R Rejection Fuse Reducer, 250V, 400 Ampere Fuse to Fit 600 Ampere clip

Mersen class R rejection fuse reducer allow the use of lower rated fuses in existing equipment having clips with higher ampere ratings. Allows 400A fuse to fit 600A clips. The use of closer rated time-delay fuses can improve circuit protection. Renewable or one-time fuses feeding a motor can be replaced with fuses sized closer to the motor nameplate current. Rejection-type reducer will allow only class R fuses to fit class R clips. 250V voltage rating and 400A fuse current, 600A holder current. UL listed guide no. IZZR. CSA certified.