Fostoria Fuse 57111008 JLS45 for FES 45kW 480V

The Fostoria Fuse 57111008 (JLS45) is a direct replacement Class J overcurrent protection fuse designed for use in Fostoria FES series 45 kW, 480 V industrial heaters, providing reliable circuit protection against overloads and short circuits. This high-quality cartridge fuse fits the original equipment specification, helping maintain safe and efficient operation of the heater by interrupting fault currents quickly and preventing damage to electrical components. Its compact industrial design meets Class J standards for fast-acting, current-limiting performance in heavy-duty applications, making it a dependable protective component for demanding electrical environments.

Features:
• Class J cartridge fuse rated for approximately 45 amps continuous (JLS45) providing appropriate protection for the 45 kW heater load
• Fast-acting, current-limiting design that responds quickly to overcurrent conditions to protect circuitry
• Compact, rugged industrial construction suitable for enclosed heater fuse holders
• Rated for high interrupting capacity up to ~200 kA @ 600 VAC typical of Class J style fuses
• Direct OEM replacement specified by Fostoria for FES-4548-3 45 kW, 480 V heaters

Benefits:
• Protects critical heater electrical components from damage due to overloads or short circuits
• Helps ensure safe, dependable operation of high-power industrial heaters
• Fast interruption of fault conditions minimizes risk of fire and reduces downtime
• Compact form factor fits existing fuse blocks without modification
• Compatible with industry standard Class J fuse holders for easy servicing