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PRL3A - Medium-Voltage Fuse 2.75kV 3A (Ferrule Mount)

United Fuses
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The PRL3A is a medium-voltage current-limiting power fuse designed for primary protection of transformers, motors, and feeder circuits in industrial power systems. It is rated for 2.75 kV AC with a continuous current rating of 3 amperes, capable of interrupting fault currents up to 50 kA RMS symmetrical. The fuse features a ferrule-style construction with a 1.625-inch diameter and 10.5-inch overall length, utilizing a solid-state, non-vented design with silver-sand element technology for consistent performance. It complies with ANSI C37.46 and IEEE C37.41 standards for high-voltage fuses, ensuring reliable operation under defined overcurrent conditions. Typical applications include protection of pad-mounted transformers, switchgear, and motor starters in utility and industrial distribution networks.

Key Features & Specifications
  • Type: Medium-voltage current-limiting power fuse, ferrule mount, non-vented
  • Voltage Rating: 2.75 kV AC
  • Current Rating: 3 A
  • Dimensions: 1.625 in diameter x 10.5 in length
  • Standards: ANSI C37.46, IEEE C37.41
  • Applications: Primary transformer, motor, and feeder circuit protection
  • Interrupting Rating: 50 kA RMS symmetrical
  • Construction: Silver-sand element, solid-state filler
  • Mounting: Ferrule-style clips
  • Operating Temperature: -40°C to 85°C
  • Weight: 0.8 lb


Product Identification
  • UPC: 782001234567
  • GTIN: 00782001234567