Bussmann 170M5776 High Current Fusible Cartridge Fuse

Bussmann 170M5776 is a high-current fusible cartridge fuse from Eaton’s Bussmann series, designed for protecting large electrical power circuits. This square-body, high-speed fuse is rated for 900 A at 660 V, enabling rapid interruption of fault currents in heavy‑duty applications such as power distribution, motor drives, and high‑current bus protection. The part number 170M5776 places it within Bussmann’s 170M family of high‑current fuses, which are built to withstand demanding industrial environments and to fit standard Bussmann fuse holders used in control panels and power equipment. With a 660‑volt rating and a 900‑amp nominal capacity, this fuse provides reliable overcurrent protection while maintaining predictable performance under fault conditions, helping protect downstream equipment from damage and reducing the risk of cascading failures in high‑power systems.