Bussmann 170M3819 is a high‑speed square‑body power module fuse rated for 400 A, designed for protection in power module assemblies and other high‑current industrial equipment. It carries a voltage rating of 690 V AC IEC and 700 V AC UL, making it suitable for use in motor drives, power conversion circuits, and switchgear in harsh industrial environments. As part of the Bussmann 170M38x family, this 400 A fuse provides rapid interruption of overcurrent events to safeguard power electronics and heavy electrical loads in demanding industrial applications.
