FLSR04.5 - FLSR Series

FLSR04.5 - FLSR Series Fuse for Electrical Protection The Littelfuse FLSR04.5 fuse is a UL Class RK5 dual-element time-delay fuse designed for advanced short circuit and overload protection. Widely used in electrical distribution and lighting solutions, this fuse is particularly effective for circuits containing motors, switchgear, transformers, and general purpose applications. It is suitable for use by electrical distributors and switchgear suppliers requiring reliable wire and cable protection. Specifications Manufacturer: Littelfuse Manufacturer Part #: FLSR04.5 Amperage Rating: 4.5 A Voltage Rating AC: 600 V Voltage Rating DC: 300 V Interrupting Rating AC: 200 kA rms symmetrical (self-certified) Interrupting Rating DC: 20 kA Ampere Range: 1/10 – 600 A Approvals: UL Listed (File: E81895), CSA Certified (File: LR29862), Federal Specification WF-1814 (QPL-W-F-1814) Product Weight: 66.7 grams Features Dual-element design for enhanced short circuit and overload protection Time-delay characteristic suitable for motor circuits Available in indicating and non-indicating versions Current limiting to reduce let-thru energy during faults Compatible with recommended fuse holders: LFR60 and LFR25 series Downloads & Links FLNR and FLSR Series Datasheet UL JDDZ E81895 CSA 1422-02 029862