Littelfuse L25S020, Very Fast-Acting Semiconductor Fuse, 20A, 250AC/250DC, 1 Piece

The L25S series is a traditional North American bolted-style, high-speed fuse designed with POWR-SPEED® technology for protection of power semiconductor devices that are rated up to 250 V ac and up to 200 V dc. This is a round body, extremely current-limiting fuse for use where no time delay is required.