Description
Reliable Overcurrent Protection for Industrial Applications
The Littelfuse FLSR035 is a 35-amp Class RK5 dual-element time delay fuse engineered for dependable overcurrent protection in demanding industrial and commercial electrical systems. Rated at 600V AC, it is purpose-built to absorb short-duration inrush currents typical of motor and transformer startups — eliminating nuisance blowing while maintaining robust defense against overload and short-circuit faults. Its current-limiting design actively safeguards downstream equipment, and the rugged cylindrical cartridge construction ensures consistent, long-lasting performance in motor control centers, HVAC systems, and general-purpose power distribution circuits.
Key Features
- 35A rating with 600V AC overcurrent protection capability
- Class RK5 dual-element time delay design prevents nuisance tripping during startup
- Tolerates motor and transformer inrush currents for improved system uptime
- High interrupting capacity up to 200kA for industrial-grade fault protection
- Current-limiting construction enhances safety of downstream components
- Rugged cylindrical cartridge body built for extended service life
- Ideal for motors, transformers, HVAC equipment, and branch circuit applications







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