Bussmann FRS-R-2 Fusetron Time Delay Fuse 600V

FRS-R-2 Fusetron Time-Delay Fuse by Bussmann (Eaton) is a dual‑element, current‑limiting fuse designed for 600 V circuits. This 2 A device is rated at 600 VAC / 300 VDC, belongs to Class RK5, and is non‑indicating. Its time‑delay (dual‑element) design tolerates short overloads without nuisance blows, with an interrupting rating of up to 200 kA at 600 VAC and 20 kA at 300 VDC. As part of the FRS‑R family, the Fusetron series provides protection for branch circuits in 600 V systems and is available in multiple amp ratings; the 2 A variant is the FRS‑R‑2. Typical datasheets note a minimum 10‑second hold at 500% of rated current, reflecting the slow‑blow characteristics that accommodate surge conditions commonly seen in power supplies and control panels.