Littelfuse JLS 40A Class J Fuse, Fast-Acting, 600Vac, JLS040

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The JLS Series fast-acting fuses provide space-saving overload and short-circuit protection for vital industrial and power conversion applications. These superior, current-limiting fuses offer fast-acting protection for surge-sensitive devices and components to prevent costly equipment damage. They are highly sensitive to changes in current flow and open within seconds of being exposed to overcurrents or power surges. Show more