The Eaton Bussmann LKS-400 is a 400 amp, 250 volt Class K renewable fuse link engineered for dependable overcurrent protection in industrial and commercial electrical systems. Featuring a time-delay super lag characteristic, this fuse link minimizes nuisance openings caused by temporary overloads while providing consistent circuit protection. Designed for use with compatible Class K fuse holders, the LKS-400 delivers reliable performance in demanding electrical environments.