Littelfuse FLNR 40Amp Time-Delay Fuse – 250V

The Littelfuse FLNR040 Fuse is a 40 Amp Class RK5 dual-element time-delay fuse designed for circuit protection in electrical systems. Part of the Littelfuse FLNR Series, it features a rejection-style cylindrical body with durable fiberglass construction.

The FLNR040 is rated for 250V AC and 125V DC, with an interrupting rating of 200kA AC and 20kA DC. Its time-delay design accommodates temporary current surges while providing protection against sustained overloads and short circuits.

Specifications

• Brand: Littelfuse
• Model: FLNR040
• Series: FLNR
• Fuse Class: RK5
• Amperage: 40A
• AC Voltage Rating: 250V AC
• DC Voltage Rating: 125V DC
• Fuse Type: Dual-Element, Time-Delay
• Fuse Block Style: Rejection
• Overall Diameter: 13/16 in.
• Overall Length: 3 in.
• Indication: Non-Indicating
• Standards: CE, CSA Certification, QPL-W-F-1814, UL 248-12 Class RK5