Littelfuse L50S175 High Speed Semiconductor Fuse

The Littelfuse L50S175 High-Speed Semiconductor Fuse delivers fast overcurrent protection for sensitive semiconductor devices in industrial power conversion and drive systems. With a 175 A current rating and a voltage rating of 500 VAC / 450 VDC, this bolt-mounted, fast-acting fuse is designed to interrupt faults quickly and protect semiconductors such as SCRs, diodes, thyristors, transistors, and IGBTs. Commonly installed in variable frequency drives, UPS systems, power rectifiers, and DC power supplies, it provides dependable protection in industrial power conversion equipment that requires extremely fast fault clearing, supported by interrupt ratings of 200 kA AC and 20 kA DC. Common replacements include Littelfuse L75QS175.V, Bussmann FWH-175A, and Mersen A50P175.