The Bussmann NON-45 is a one-time cartridge fuse in the Eaton Bussmann Series Class K5 line, designed for general‑purpose protection in electrical circuits. It is rated at 45 A and 250 VAC and is non-current-limiting, with a 50 kA interrupting rating at 250 VAC (and 50 kA at 125 VDC in compatible listings). The fuse features a cylindrical body suitable for standard Bussmann cartridge holders. Typical applications include protective circuits in electrical panels and industrial equipment such as air conditioning systems, pumps, and appliances where a 45 A, 250 VAC non-current-limiting fuse is appropriate.
