FLSR004 - FLSR Series

FLSR004 - FLSR Series Fuse | Electrical Protection Solutions The Littelfuse FLSR004 is part of the FLSR series of UL Class RK5 dual-element time-delay fuses designed for electrical distributors and switchgear suppliers. These fuses provide reliable protection for a wide range of circuits, especially those containing motors, making them suitable for lighting solutions, wire and cable applications, and motor control circuits. The dual-element design offers advanced short circuit and overload protection, ensuring system safety and continuity. Specifications Manufacturer: Littelfuse Manufacturer Part Number: FLSR004 Amperage Rating: 4 A Voltage Rating: 600 Vac (FLSR series) Interrupting Rating AC: 200,000 A rms symmetrical Interrupting Rating DC: 20,000 A Fuse Type: Dual-element, time-delay UL Listing: UL Standard 248-12, Class RK5 (File E81895) CSA Certified (File LR29862) Federal Specification: WF-1814 (QPL-W-F-1814) Product Weight: 69.2 grams Features Dual-element design for enhanced short circuit and overload protection Available in indicating and non-indicating versions Current limiting capability to protect downstream equipment Widely used for motor branch circuits, switchboard mains, transformers, and general purpose circuits Downloads & Links FLNR and FLSR Series Datasheet UL JDDZ E81895 CSA 1422-02 029862