Littelfuse FLNR045ID Indicator Fuse 45A 125VDC 250VAC Slo-Blo Industrial Cartridge

Engineered with safety and efficiency in mind, the FLNR045ID from Littelfuse is a standout in the FLNR_ID series of industrial fuses. These indicator fuses are specifically designed to enhance the safety and reliability of switchboard main and feeder switches, as well as industrial control panels and distribution panelboards. With built-in blown fuse indication, they minimize the risk of exposure to live circuits, allowing for quick identification of fuse status—no testing is required. A simple glance at the indicating window reveals whether the fuse is intact or opened, significantly reducing downtime during critical operations. Moreover, the FLNR_ID Indicator fuses not only streamline maintenance efforts by reducing the need for a large inventory but also boast superior time-delay characteristics that help to extend fuse life and minimize nuisance tripping. This means less interruption to operations and reduced equipment damage from overloads and short circuits. Suitable for a variety of applications, including motor control center mains and service entrance switches, these fuses represent a practical solution for enhancing operational safety and reliability in industrial settings.

• Minimizes exposure to live circuits enhancing safety
• Built-in blown fuse indicator for quick status identification
• Time-delay characteristic reduces nuisance tripping
• Extends fuse life under overload conditions
• Rated for high interrupting capacity up to 300,000 A at 250 V DC
• UL Listed and CSA Certified ensuring compliance and reliability
• Suitable for switchboard mains, feeders, and industrial control panels
• Reduces maintenance time and inventory requirements

• Voltage DC: 125 V
• Voltage AC: 250 V
• Interrupting Rating: 300000 A @ 250 V DC
• Ampere Rating: 45 A
• Fuse Type: Slo-Blo/Time Lag (T)/Time Delay
• Dimensions (Length): 3 in (76.2 mm)
• Dimensions (Diameter): 3/4 in (19.1 mm)
• Approvals: UL Listed, CSA Certified
• Fuse Series: FLNR_ID

Certification

Datasheets