Description
The Littelfuse FLSR004 delivers proven overcurrent protection where reliability cannot be compromised. Engineered with a dual-element, current-limiting Class RK5 design, this 4-amp, 600-volt time-delay fuse is built to handle the real-world demands of industrial and commercial electrical systems. It absorbs temporary inrush currents from motors and transformers without nuisance opening, yet responds swiftly and decisively to sustained overloads and short-circuit conditions — protecting equipment and minimizing costly downtime. Its cartridge-style construction ensures secure, consistent installation in compatible fuse blocks, panelboards, and switchgear. Whether safeguarding motor control circuits, transformers, or branch circuit distribution panels, the FLSR004 is a trusted solution for applications where precise, time-delay protection is essential.
Key Features
- 4A time-delay (slow-blow) protection for motor and transformer circuits
- Rated for 600V AC / 300V DC applications
- Class RK5 dual-element, current-limiting design
- High interrupting capacity for robust industrial fault protection
- Withstands temporary inrush currents without nuisance opening
- Cartridge-style construction for secure, reliable mounting
- Ideal for motors, transformers, and branch circuit protection
- Consistent, dependable performance in demanding electrical environments
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