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GMA-1.25 - Medium-Voltage Fuse 1.25A (2.75 kV AC)

United Fuses
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GMA-1.25 is a medium-voltage, current-limiting fuse designed for the primary protection of power transformers and motor circuits. It is rated for 1.25 amperes and operates at a maximum voltage of 2.75 kV AC, providing reliable overcurrent interruption. The fuse weighs 5.19 lb and features a solid, non-vented construction with a ferrule terminal connection for secure installation. It complies with ANSI and IEEE C37.46 standards for backup current-limiting fuses. Typical industrial applications include the protection of distribution transformers, potential transformers, and motor starters in substations and switchgear.

Key Features & Specifications
  • Type: Medium-voltage, current-limiting backup fuse
  • Voltage Rating: 2.75 kV AC
  • Current Rating: 1.25 A
  • Weight: 5.19 lb
  • Connection: Ferrule
  • Standards: ANSI, IEEE C37.46
  • Applications: Transformer and motor circuit protection