Littelfuse FLNR009 Industrial Cartridge Fuse 9A 250VAC 125VDC Slo-Blo Time Lag 20000A Interrupting Rating

The FLNR009 from Littelfuse is an essential component for industrial control panels and offers versatile applications ranging from switchboard main and feeder switches to individual fused combination motor controllers. Designed to provide robust protection for fully-rated panelboards and loadcenters, it expertly safeguards service entrance switches and general-purpose circuits, making it ideal for motor control center mains and motor branch circuits as well as distribution panelboards. This model is characterized by its automated, precision-manufactured parts that ensure accurate and reliable response to overloads and short circuits, boasting an impressive interruption rating of 200,000 A.I.R. for handling overcurrents. Additionally, its Slo-Blo/Time Lag opening mechanism and high performance at an amperage rating of 9 amps provide faster acting short circuit protection compared to non-current limiting mechanical devices, making it a reliable choice for ensuring safety and efficiency in electrical systems.

• UL Listed and CSA Certified for safety assurance
• Dual-element, time delay design for precise overload protection
• Current limiting provides fast short circuit protection
• High interrupting rating of 200,000 A for overcurrent handling
• Slo-Blo/Time Lag opening mechanism prevents nuisance blowing
• Automated precision manufacturing ensures reliable fuse operation
• Compatible with industrial cartridge fuse holders
• Rated for 250 V AC and 125 V DC applications
• Suitable for motor control centers, panelboards, and general circuits
• Protects switchboard mains, feeders, and service entrance switches

• Ampere Rating: 9 A
• Voltage Rating AC: 250 V AC
• Voltage Rating DC: 125 V DC
• Interrupting Rating AC: 200 kA rms symmetrical
• Interrupting Rating DC: 20,000 A @ 125 V DC
• Opening: Slo-Blo/Time Lag (T)/Time Delay
• Design: Dual-element, time delay
• Standard: UL 248-12, Class RK5
• UL Listing: UL Listed (File: E81895)
• CSA Certification: CSA Certified (File: LR29862)
• Federal Specification: WF-1814 (QPL-W-F-1814)
• Package Type: Industrial Cartridge

Certification

Datasheets