Littelfuse JLS090 Fuse 90 AMP Fast-Acting Class J 600V

The Littelfuse JLS090 Fast-Acting Fuse is rated for 90 AMP 600V and Class J applications to provide circuit protection against short circuit and overcurrent conditions in electrical equipment. Designed for rapid interruption responses the fuse helps disconnect power before excessive current can damage connected components or control assemblies. Commonly applied in control panels, disconnect systems, and power distribution equipment associated with HVAC systems, it supports safe electrical operation and equipment protection. Inserted into compatible fuse holders during servicing or replacement procedures, the fuse contributes to reliable circuit performance.