Bussmann's broad line of UL Class L fuses includes the KRP-C-SP Low-Peak family of fuses offering unsurpassed dual-element, current-limiting, time-delay performance and interrupting ratings of 300kA RMS Sym. Complementing the Low-Peak family are our Limitron products offering both Fast-acting and economical time-delay performance in our KTU, KLU, and KRP-CL products