Bussmann 170M4567 Industrial Specialty Cartridge Fuses

The Bussmann 170M4567 is a high-speed square-body cartridge fuse rated for 700 A at 690 V AC, designed for industrial protection of drives, rectifiers, and other heavy-duty power electronics. This size-1 device measures 53 × 69 × 51 mm and carries AR markings with UL and IEC listings, and it includes a single indicator to confirm fuse status. The 1GKN/50 AR UC variant denotes the model’s specific contact configuration and form factor for use in compatible Bussmann square-body fuse holders. Part of Eaton’s Bussmann series, these fuses are intended to deliver rapid fault interruption in high-energy circuits up to 690 V AC, making them suitable for AC drives, power converters, and rectifier protection in industrial environments. Typical applications include protection of motor drives and other high-current power equipment where fast clearing at 700 A and 690 V is required, ensuring equipment safety and reducing downtime.