Littelfuse FLNR040ID Indicator Fuse 40A 300kA@250V Time-Delay Industrial Cartridge

Designed to enhance operational safety and efficiency, the FLNR_ID Series Indicator fuses from Littelfuse provide advanced protection against overload and short circuits, significantly reducing the risk of equipment damage. These fuses come with the added benefit of a built-in blown fuse indication, allowing users to quickly ascertain the status of the fuse without uncertainty, thereby minimizing exposure to live circuits and enhancing safety in various applications such as distribution panelboards and motor control centers. Not only do these fuses reduce unnecessary downtime by allowing machine operators to effortlessly check for open fuses at a glance, but they also promote a streamlined inventory process due to their versatility across numerous applications. With a superior time-delay and cycling characteristic, the FLNR_ID Indicator fuses help mitigate nuisance openings, ensuring a longer fuse life and reliable performance across various industrial and general-purpose circuits.

• Built-in blown fuse indication for quick status check
• Dual-element design with time-delay for short circuit and overload protection
• High interrupting rating of 300 kA at 250 V DC for extreme faults
• UL Listed, CSA Certified, and QPL WF-1814 compliant for safety assurance
• Minimizes exposure to live circuits to improve user safety
• Reduces nuisance openings to extend fuse life
• Instant visual fuse status reduces equipment downtime
• Suitable for distribution panelboards, motor control centers, and general-purpose circuits
• Versatile amperage range from 0.1 to 600 A simplifies inventory management

• Interrupting Rating DC: 300 kA @ 250 V DC
• Interrupting Rating AC: 200 kA rms symmetrical
• Amperage: 40 A
• Voltage AC: 250 V
• Voltage DC: 125 V
• Fuse Type: Dual Element, Time Delay, Indicator
• Opening: Time Delay (Slo-Blo)
• Length: 3.75 in (95.3 mm)
• Diameter: 0.625 in (15.9 mm)
• Ampere Range: 0.1–600 A
• Series: FLNR_ID
• Compliance: UL Listed, CSA Certified, QPL WF-1814

Certification

Datasheets