Littelfuse FLSR Series fuses have been the superior UL class RK5 dual element time delay fuses and are the most widely used class of fuses. FLSR Series fuses provide excellent protection for all types of circuits especially those containing motors. However, users and specifiers should consider the significant benefits offered by indicator fuses.

Cole Hersee® Time Delay Fuse, Series: FLSR Series, Indicating/Non-Indicating: Non-Indicating, Rejection/Non-Rejection: Rejection, 600 VAC/300 VDC, 20 A, Class: RK5, 200 kA Interrupt, 50/60 Hz, 10 s Response, Dual, Cartridge, Cylindrical Body Type, Ferrule Terminal, Holder Mount, Fiberglass Body, 5 in Length, 0.81 in Dia

• Reliable interruption of all over currents up to 200000 A
• Faster acting short circuit protection than any non-current limiting mechanical protective device
• Accurate and reliable - automated, precision manufactured and assembled parts ensure accurate, consistent response to overloads and short circuits