Littelfuse FLSR400 - RK5 Dual-Element Time-Delay Fuse 400A (200kA@600V Interrupt Rating)

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Regular price $398.12 Sale price $451.25
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Littelfuse FLSR400 is a UL Class RK5 dual-element time-delay fuse designed for overcurrent protection in industrial electrical systems. Rated for 600V AC/DC operation with a 400A current capacity, it features a 200kA interrupting rating at 600V for high-fault protection. The fuse measures 11-5/8" in length with a 2.59" diameter barrel construction and weighs 2 lb, meeting UL 248-12 Class RK5, CSA, and CE standards. Its time-delay characteristics make it suitable for motor circuits, transformers, and feeder protection where inrush currents occur.

Key Features & Specifications
  • Type: Dual-element time-delay fuse with ceramic body
  • Voltage Rating: 600V AC/DC
  • Current Rating: 400A
  • Dimensions: 11-5/8" length x 2.59" diameter
  • Standards: UL 248-12 Class RK5, CSA, CE, QPL-W-F-1814
  • Applications: Motor circuits, transformer protection, industrial feeders
  • Class Rating: RK5
  • Barrels: 1
  • AIC rating: 200kA@600V
  • Weight: 2 lb
  • Country of Origin: Mexico
Product Identification
  • UPC: 07945817093
  • GTIN: 00079458170931
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