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FRS4-1/2 - Medium-Voltage Fuse 4.16 kV 1/2 A

United Fuses
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FRS4-1/2 is a medium-voltage power fuse designed for primary protection of transformers, motors, and feeders in industrial electrical systems. It is rated for 4.16 kV AC with a continuous current rating of 1/2 ampere, providing reliable overcurrent interruption. The fuse features a ferrule-style construction with a compact cylindrical body, weighing 5.19 lb, and is built with a solid silver element for consistent performance. It complies with ANSI C37.46 standards for high-voltage fuses, ensuring safe operation under fault conditions. Typical applications include protection of potential transformers, control power transformers, and small distribution circuits in substations and industrial plants.

Key Features & Specifications
  • Type: Medium-voltage power fuse, ferrule style, solid silver element
  • Voltage Rating: 4.16 kV AC
  • Current Rating: 1/2 A
  • Weight: 5.19 lb
  • Standards: ANSI C37.46
  • Applications: Transformer, motor, and feeder protection; potential transformer and control power transformer circuits


Product Identification
  • UPC: Not available
  • GTIN: Not available