Mersen A055F2D0R0-450E - Class E Power Fuse 450A 5.5kV

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Regular price $4,074.08
Regular price $4,903.89 Sale price $4,074.08
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Mersen A055F2D0R0-450E is a medium-voltage current-limiting power fuse designed for protecting electrical equipment in industrial power distribution systems. It provides a 450A continuous current rating and interrupts faults up to 63kA at its rated voltage of 5500V. The fuse features a robust two-barrel construction with a 3-inch diameter and a 12-inch clip center spacing, weighing 7 lb for secure mounting. As part of the CS-3 series, it complies with industry standards for Class E fuses, ensuring reliable protection for transformers, motors, and feeders in demanding medium-voltage applications.

Key Features & Specifications
  • Type: Medium-voltage current-limiting power fuse, two-barrel construction
  • Voltage Rating: 5500V
  • Current Rating: 450A
  • Dimensions: 3-inch diameter, 12-inch clip center
  • Standards: Class E rating
  • Applications: Protection for transformers, motors, and feeders in industrial power distribution
  • AIC rating: 63kA @ 5.5kV
  • Family: CS-3 Series
  • Weight: 7 lb


Product Identification
  • UPC: 078200180432
  • GTIN: 00782001804329