Littelfuse KLC040, Very Fast-Acting Semiconductor Fuse, 40A, 600VAC, 1 Piece

The KLC series is a traditional North American-style, high-speed fuse designed with POWR-SPEED® technology for protection of power semiconductor devices that are rated up to 600 V ac. This is a round body, extremely current-limiting fuse for use where no time delay is required. It is typically used for replacement purposes only. For new designs, the L70QS series is recommended.