Bussmann FWH-500A Class FWH Fuse High Current Industrial Fuse

The Eaton Bussmann FWH-500A is a fast-acting high-speed semiconductor fuse designed to protect power electronics in industrial equipment by quickly interrupting fault currents. This 500 A device is rated for up to 500 VAC and 500 VDC, making it suitable for high‑current power circuits such as drives, inverters, and power supplies that require reliable overcurrent protection in a compact form. It features a cylindrical body and is offered with termination options including blade-end and stud configurations to fit a range of panel assemblies. The FWH-500A is a non-indicating fuse, providing protection without an external trip indicator while maintaining compatibility with standard Bussmann accessories and holders. With its high-current rating and robust construction, it serves as a dedicated protection device for semiconductor-grade loads in industrial power conversion systems where fast, clean fault clearing is essential.