FLSR045 - FLSR Series

FLSR045 - FLSR Series Fuse | Electrical Protection Solutions The Littelfuse FLSR045 fuse from the FLSR series is a UL Class RK5 dual-element time-delay fuse designed for advanced short circuit and overload protection. It is widely used in electrical distribution, motor control circuits, and general purpose applications requiring reliable fuse protection. This fuse supports electrical distributors and switchgear suppliers with robust performance in lighting solutions and wire and cable protection environments. Specifications Manufacturer: Littelfuse Manufacturer Part Number: FLSR045 Amperage Rating: 45 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 Class: RK5 Standards and Certifications: UL Listed (File: E81895), CSA Certified (File: LR29862), Federal Specification WF-1814 (QPL-W-F-1814) Product Weight: 153.1 grams Features Dual-element design for enhanced short circuit and overload protection Time-delay fuse ideal for circuits with motor loads Current limiting capability to reduce damage during faults Available in indicating and non-indicating versions (this model is non-indicating) Suitable for use in service entrance switches, transformers, switchboard mains and feeders, motor control central mains, motor branch circuits, and general purpose circuits Downloads & Links FLNR and FLSR Series Datasheet UL JDDZ E81895 CSA 1422-02 029862