Description
The Littelfuse FLNR300 Time Delay Fuse is a 300 amp, 250V Class RK5 that interrupts excessive current while allowing temporary inrush during startup conditions. It is used in electrical distribution panels, compressors, and motor-driven assemblies within HVAC systems, where it protects circuits from overload and short-circuit conditions. This dual-element fuse responds to sustained overcurrent by melting its internal link while tolerating brief surges from equipment startup. Mounted in fuse holders or disconnects, it clears fault current to isolate affected sections and prevent damage to wiring and connected loads.
