HSJ300 Mersen High Speed Low Voltage Fuse 600V 300A Fuse - Essential Electric Supply
HSJ300 Mersen High Speed Low Voltage Fuse 600V 300A Fuse - Essential Electric Supply

Mersen HSJ300 - Class J Fuse 300A (200kA@600V Interrupt Rating)

Mersen
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Mersen HSJ300 is a Class J high-speed fuse designed for robust circuit protection in industrial power distribution systems. It features a 600V AC voltage rating and 300A current capacity with a 200kA interrupting rating at 600V for reliable short-circuit protection. The fuse measures 7.13 inches in length with a single-barrel construction and weighs 1 lb, meeting UL/CSA standards for safety compliance. Its fast-acting design makes it ideal for protecting motors, transformers, and feeder circuits in demanding industrial environments.

Key Features & Specifications
  • Type: High-speed Class J fuse with single-barrel construction
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Dimensions: 7.13 inches (length)
  • Standards: UL/CSA compliant
  • Applications: Motor protection, transformers, industrial feeders
  • Class Rating: J
  • AIC rating: 200kA@600V
  • Weight: 1 lb
  • Country of Origin: Mexico
Product Identification
  • UPC: 78200132968
  • GTIN: 00782001329686