KTN-R-225 is an Eaton Bussmann fuse reducer accessory for Class R fuses, designed to be installed in fuse clips to adapt Class R fuses to Bussmann clip styles. Rated for 250 V operation, the KTN-R family covers fuse sizes in the 225–400 A range, with the KTN-R-225 variant specified for 225 A devices. Each reducer is a single-unit design; a paired reducer is not required. As part of Bussmann’s KTN-R data sheet family, the reducer is used to physically and electrically accommodate Class R fuses within compatible clip assemblies, ensuring proper fit and electrical contact.
