FLSR400ID - FLSR_ID Series

FLSR400ID - FLSR_ID Series Indicator Fuse The Littelfuse FLSR400ID is a Class RK5 dual-element time-delay fuse designed for advanced short circuit and overload protection in electrical distribution and motor control circuits. It features a patented solid-state visual blown fuse indicator for quick status identification, reducing downtime and enhancing safety. This fuse is suitable for use by electrical distributors, lighting solutions providers, wire and cable suppliers, and switchgear suppliers in applications such as service entrance switches, transformers, switchboard mains and feeders, and motor branch circuits. Specifications Amperage Rating: 400 A Voltage Rating AC: 600 V Voltage Rating DC: 300 V Interrupting Rating AC: 300 kA rms symmetrical (Littelfuse self-certified) Interrupting Rating DC: 20 kA Standard: UL Listed (File: E81895), CSA Certified (File: LR29862), Federal Specification WF-1814 (QPL-W-F-1814) Product Weight: 3.49 lbs Features Visual blown fuse indication with patented solid-state design True dual-element construction for superior performance Current limiting to reduce damage during fault conditions Time-delay characteristic suitable for motor circuits Reduces downtime and nuisance openings, improving safety and reliability Downloads & Links FLNR and FLSR Series Datasheet UL JDDZ E81895 CSA 1422-02 029862