Bussmann 170M3469 Square Body Low Voltage HRC Fuse

Bussmann 170M3469 is an Eaton Bussmann Series high-speed square-body fuse with flush-end contacts rated for 400 A at 690 V IEC (700 V UL), designed to protect semiconductor devices, DC common buses, DC drives, and power converters/rectifiers. The compact square-body package measures 60 mm long, 50 mm high, and 43 mm wide, and it weighs 266.5 g. It carries CE marking and RoHS compliance, with IEC-rated and UL-recognized certifications. Key electrical data include a clearing I2t of 105,000 A2s at 660 V, a pre-arc I2t of 77, watt losses of 60 W, and a breaking capacity of 200 kA, classified as aR. The fuse type is flush end and the fuse size is 1*. It is fitted with a center fuse status indicator and a Type K indicator for micro, enabling quick visual or microswitch-based status checks. This 170M3469 fuse provides fast interruption for high-energy AC circuits and is suitable for protecting semiconductor power electronics, DC buses, and drives where reliable 690 V protection is required.