Description
The Littelfuse FLSR03.5 is a precision-engineered Class RK5 dual-element time-delay cartridge fuse built for dependable overcurrent protection in demanding industrial and commercial electrical systems. Rated at 3.5 amps and 600V AC, it is specifically designed to ride through the short-duration inrush currents that occur during motor startup — eliminating nuisance blowing while maintaining robust protection against sustained overloads and short-circuit faults. Its current-limiting construction helps safeguard downstream equipment, reduce arc-flash energy, and minimize costly downtime. Whether protecting motors, transformers, HVAC systems, or general-purpose branch circuits, the FLSR03.5 delivers the performance and reliability that industrial applications demand.
Key Features
- 3.5A continuous rating with 600V AC overcurrent protection
- Class RK5 dual-element, time-delay design for motor-circuit compatibility
- Tolerates motor inrush currents to eliminate nuisance tripping during startup
- High interrupting capacity for effective industrial fault protection
- Current-limiting action reduces arc-flash energy and protects downstream equipment
- Rugged cartridge construction engineered for long, reliable service life
- Ideal for motors, transformers, HVAC systems, and branch circuit applications
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