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

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