FLSR Series - UL Class RK5 Dual-Element Time-Delay Fuse

Brand: Littelfuse, Inc

Littelfuse FLSR series fuses have been the superior UL Class RK5 dual-element time-delay fuses, and are the most widely used class of fuses. 

FLSR series fuses provide excellent protection for all types of circuits especially those containing motors. However, users and specifiers should consider the significant benefits offered by Indicator fuses.
Features
  • Excellent short-circuit protection - Improve safety through faster response to fault currents
  • Dual-element design - Provides advanced short circuit and overload protection
  • Current limiting - Restricts fault currents to provide a high degree of circuit protection

Specifications

Voltage Rating

  • AC: 600 V
  • DC: 300 V

Interrupting Rating

  • AC: 200 kA RMS Symmetrical, 300 kA RMS Symmetrical (Littelfuse Self-certified)
  • DC: 20 kA

Ampere Range

  • 1⁄10-600 A

Certifications & Approvals

  • UL
  • CSA
  • CE

Opening

  • Slo-Blo/Time Lag (T)/Time Delay

Size

  • Industrial Cartridge
  • Knife-Blade

  • Service Entrance Switches
  • Transformers
  • Switchboard Main and Feeder Switches
  • Motor Control Center Mains and Motor Branch Circuits
  • Individual Fused Combination Motor Controllers
  • Distribution Panelboards
  • Industrial Control Panels
  • Protection of Fully-rated Panelboards and Loadcenters
  • All General Purpose Circuits
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