Class R Fuses (RK1/RK5)

FIND THE CLASS R FUSES (RK1/RK5) YOU NEED

RS Breakers & Controls carries a comprehensive inventory of new and hard-to-find class r fuses (rk1/rk5) from all major manufacturers. As Canada’s leading supplier of industrial and commercial fuses, we stock rejection-style current-limiting fuses available in RK1 (higher performance) and RK5 (standard) sub-classes, with rejection notches preventing installation of non-current-limiting fuses. Our technical team is available 24/7.

More about class r fuses (rk1/rk5)

Within the broader family of fuses, class r fuses (rk1/rk5) serve a specific and important role in electrical protection. Rejection-style current-limiting fuses available in rk1 (higher performance) and rk5 (standard) sub-classes, with rejection notches preventing installation of non-current-limiting fuses. Proper selection of fuses requires matching the fuse class, ampere rating, voltage rating, and interrupting capacity to the specific application and coordination requirements of the electrical system.