FLSR03.5 - FLSR Series Fuse for Electrical Protection

The Littelfuse FLSR03.5 fuse is a UL Class RK5 dual-element time-delay fuse designed for advanced short circuit and overload protection. It is suitable for a wide range of electrical applications, including circuits with motors, switchboard mains, feeders, transformers, and motor control central mains. This fuse is commonly used by electrical distributors and switchgear suppliers to ensure reliable circuit protection in industrial and commercial environments.

Specifications

• Manufacturer: Littelfuse
• Manufacturer Part #: FLSR03.5
• Amperage Rating: 3.5 A
• Voltage Rating AC: 600 V
• Voltage Rating DC: 300 V
• Interrupting Rating AC: 300 kA rms symmetrical
• Interrupting Rating DC: 20 kA
• UL Listed: File E81895
• CSA Certified: File LR29862
• Federal Specification: WF-1814 (QPL-W-F-1814)
• Product Weight: 81.5 grams

Features

• Dual-element time-delay design for superior short circuit and overload protection
• Current limiting to reduce damage during fault conditions
• Available in indicating and non-indicating versions (this model is non-indicating)
• Widely used in general purpose circuits, especially those containing motors

Downloads & Links

• FLNR and FLSR Series Datasheet
• UL JDDZ E81895
• CSA 1422-02 029862