The Littelfuse FLSR.300 is a 0.3-amp, 600-volt time-delay Class RK5 fuse designed for reliable overcurrent protection in industrial and commercial electrical systems. Built with a dual-element, current-limiting design, it allows temporary inrush currents without nuisance blowing while still providing fast response to overloads and short circuits. Its compact cartridge-style construction ensures secure installation in fuse blocks and switchgear, making it ideal for protecting control circuits, transformers, and sensitive electrical equipment. Engineered for high interrupting capacity and dependable performance, the FLSR.300 delivers consistent protection in demanding environments.
Key Features:
- 0.3 Amp time-delay (slow-blow) protection
- Rated voltage: 600V AC
- Class RK5 dual-element fuse design
- High interrupting capacity for system safety
- Withstands temporary inrush currents
- Compact cartridge-style construction
- Ideal for control circuits and transformers
- Reliable overload and short-circuit protection
