Cooper Bussmann by Eaton FRS35 Fast Acting Fuse

Cooper Bussmann by Eaton’s FRS-R-35 is a 35 A, 600 VAC / 250 VDC dual‑element, time‑delay cartridge fuse in the Bussmann FRS‑R (Fusetron) RK5 family. This non‑indicating fuse is designed for robust overcurrent protection in electrical distribution and control circuits, providing current‑limiting interruption while tolerating short inrush currents. It carries an interrupting rating of 200 kA at 600 VAC and 20 kA at 250 VDC, and is intended for UL Class RK5 protection. As a cartridge fuse, the FRS‑R‑35 requires a compatible fuse holder for installation and is commonly used in panel boards, motor control centers, and other industrial equipment where RK5 protection is appropriate. An indicated variant, FRS‑R‑35ID, adds opening indication for fault visibility. Overall, the FRS‑R‑35 delivers reliable protection for circuits operating up to 600 VAC or 250 VDC, balancing dependable response with tolerance for brief inrush events.