The Bussmann FRS-R-80 is an 80 A, 600 V dual-element time-delay fuse from the Fusetron family (UL Class RK5) designed for branch-circuit protection in commercial and industrial electrical systems. It is a non-indicating, current-limiting fuse with an interrupting rating of 200 kA at 600 Vac and 20 kA at 300 Vdc. As part of Eaton's Bussmann series, the FRS-R-80 provides time-delay protection in Class RK5 circuits.
