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Littelfuse FLNR175ID Class RK5 Fuse 175A 250V 300000A@250VDC Slo-Blo Knife-Blade

Brand SKU 55743

Documents

The FLNR175ID - FLNR_ID Series fuses by Littelfuse are engineered for the protection of various electrical systems, including fully-rated panelboards and load centers, making them an essential component in industrial and commercial settings. These fuses not only accommodate a broad range of applications such as motor control center mains and general purpose circuits, but they also significantly reduce fuse inventory requirements due to their superior performance characteristics. The built-in indicating window provides immediate visibility into the operational status, allowing machine operators to quickly ascertain if a fuse has opened without the need for testing, thereby minimizing downtime and enhancing safety. With features designed to extend fuse life and reduce nuisance openings, these time-delay fuses offer robust overload and short circuit protection, helping to mitigate equipment damage. Enhanced safety measures are built-in, reducing the risks associated with live circuits by providing clear blown fuse indication that functions regardless of power status. This combination of performance, efficiency, and safety makes the FLNR_ID Series a vital choice for maintaining reliable electrical systems in demanding environments.

  • Built-in indicating window for immediate blown fuse status visibility
  • UL Listed, CSA Certified, and QPL compliant for guaranteed reliability and safety
  • Dual-element, time-delay design to extend fuse life and reduce nuisance openings
  • High interrupting rating of 300,000 A at 250 VDC for robust short circuit protection
  • Provides overload and short circuit protection to mitigate equipment damage
  • Engineered for general purpose and motor control center mains protection
  • Reduces fuse inventory requirements with broad application versatility
  • Slo-blo (time lag) operation to withstand temporary overloads without opening
  • Service entrance switches, panelboards, motor control centers, and industrial control panels compatibility
  • Improves safety by minimizing exposure to live circuits with reliable blown fuse indication regardless of power status
  • Voltage Rating AC: 250 V
  • Voltage Rating DC: 125 V
  • Ampere Rating: 175 A
  • Interrupting Rating DC: 300,000 A @ 250 VDC
  • Opening Type: Slo-Blo / Time Lag / Time Delay
  • Fuse Type: Dual Element, Time Delay
  • Series: FLNR_ID
  • Compliance: UL Listed, CSA Certified, QPL - W-F-1814

Certification

UL JDDZ E81895
CSA 1422-02 029862

Datasheets

FLNR and FLSR Series Datasheet