FLSR.800 - FLSR Series Fuse | Electrical Protection Fuse

The Littelfuse FLSR.800 fuse is a Class RK5 dual-element, time-delay fuse designed for advanced short circuit and overload protection in electrical circuits. It is widely used in general purpose applications, particularly in circuits containing motors. As a reliable component for electrical distributors and switchgear suppliers, the FLSR series fuse supports protection in motor control circuits, switchboard mains, feeders, transformers, and service entrance switches.

Specifications

• Manufacturer: Littelfuse
• Manufacturer Part #: FLSR.800
• Amperage Rating: 0.8 A
• Voltage Rating AC: 600 V
• Voltage Rating DC: 300 V
• Interrupting Rating AC: 300 kA rms symmetrical (self-certified)
• Interrupting Rating DC: 20 kA
• Fuse Class: RK5, UL Listed (File: E81895), CSA Certified (File: LR29862)
• Federal Specification: WF-1814
• Product Weight: 0.1250 lbs

Features

• Dual-element design for enhanced short circuit and overload protection
• Time-delay characteristic suitable for motor and general purpose circuits
• Current limiting to reduce let-thru energy during faults
• Available in indicating and non-indicating versions (this model is non-indicating)

Downloads & Links

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