FLSR225ID - FLSR_ID Series Indicator Fuse The Littelfuse FLSR225ID is a 225 ampere, Class RK5 indicator fuse designed for advanced short circuit and overload protection in electrical distribution and motor control applications. This fuse features a patented solid-state blown fuse indicator for quick visual status, reducing downtime and enhancing safety. It is suitable for use by electrical distributors and switchgear suppliers in lighting solutions, wire and cable protection, and general purpose circuits. Specifications Amperage Rating: 225 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 Fuse Type: Dual-element, time-delay Approvals: UL Listed (File: E81895), CSA Certified (File: LR29862), Federal Specification WF-1814 (QPL-W-F-1814) Product Weight: 3.4820 lbs Manufacturer Part Number: FLSR225ID Features Visual blown fuse indication via patented solid-state Indicator‚Ñ¢ technology Dual-element design for superior protection against short circuits and overloads Current limiting to reduce damage during fault conditions Available in indicating and non-indicating versions Reduces downtime and nuisance openings, enhancing safety and saving production costs Downloads & Links FLNR and FLSR Series Datasheet UL JDDZ E81895 CSA 1422-02 029862