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Littelfuse JLS-300 - Time-Delay Fuse 300A 600V AC (UL/CSA Certified)

Littelfuse
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Littelfuse JLS-300 is a time-delay fuse designed for reliable circuit protection in industrial power distribution systems. It features a 300A current rating and 600V AC voltage rating, providing robust overcurrent protection for demanding applications. The fuse utilizes a durable ceramic body construction with sand-filled arc quenching for safe interruption of high fault currents, meeting UL/CSA standards for industrial safety compliance. Typical applications include protection of motor circuits, transformers, and feeder circuits where time-delay characteristics prevent nuisance tripping during normal startup conditions.

Key Features & Specifications
  • Type: JLS time-delay fuse with ceramic body and sand-filled construction
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Dimensions: Standard JLS fuse dimensions
  • Standards: UL/CSA certified
  • Applications: Motor circuit protection, transformer protection, feeder circuit protection
  • Fuse Class: JLS
  • Weight: 5.19 lb
  • Mounting: Standard fuse block/clip mounting
  • Certification: UL and CSA approved


Product Identification
  • UPC: 79458200911
  • GTIN: 79458200911