Bussmann FWH-60B Fuse 60A 500V Class FWH High Voltage

FWH-60B is a 60 A, 500 V high-speed fuse from Eaton Bussmann’s FWH series, a fast-acting semiconductor fuse designed to protect power electronics and switching circuits from short circuits and overloads. It is UL-listed for 500 VAC and 500 VDC operation, with an I²t pre-arcing rating of 210 A²·s and an interrupting rating of 200 kAIC at 1000 VAC (and 50 kAIC at 500 VDC), making it suitable for high-energy fault events in industrial equipment. The FWH-60B is offered in North American style configurations, including stud-mount variants and blade-end connections described in the catalog. Typical applications include protecting semiconductor devices in power supplies and other high-voltage, high-speed circuits where rapid interruption is essential. As part of Bussmann’s high-speed fuse family, the FWH-60B provides fast clearing while meeting UL/IEC protection standards for up to 500 VAC or 500 VDC systems.