Description
The Littelfuse FLSR.250 delivers precision overcurrent protection where reliability and circuit longevity matter most. Built to Class RK5 standards, this 0.25-amp, 600-volt time-delay fuse features a dual-element, current-limiting design that intelligently distinguishes between harmless inrush events and genuine fault conditions — protecting sensitive equipment without unnecessary downtime or nuisance trips. Its robust cartridge-style construction ensures a secure, consistent fit in standard fuse holders, panelboards, and industrial switchgear. Whether safeguarding control circuits, transformers, or general-purpose electrical loads, the FLSR.250 provides the dependable, long-term protection that industrial and commercial applications demand.
Key Features
- 0.25A time-delay (slow-blow) protection for inrush-tolerant applications
- 600V AC / 300V DC voltage rating for versatile system compatibility
- Class RK5 dual-element design for precise overcurrent response
- Current-limiting construction for enhanced downstream circuit protection
- Tolerates temporary inrush currents without nuisance blowing
- High interrupting capacity engineered for industrial safety standards
- Cartridge-style form factor for secure, reliable installation in standard fuse holders
- Suitable for control circuits, transformers, and general-purpose electrical equipment
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