Mersen A480R18R-1AB - Medium Voltage Current-Limiting Fuse 390A @ 4800V (50kA AIC Rating)
Mersen A480R18R-1AB - Medium Voltage Current-Limiting Fuse 390A @ 4800V (50kA AIC Rating)
Mersen A480R18R-1AB - Medium Voltage Current-Limiting Fuse 390A @ 4800V (50kA AIC Rating)
Mersen A480R18R-1AB - Medium Voltage Current-Limiting Fuse 390A @ 4800V (50kA AIC Rating)

Mersen A480R18R-1AB - Medium Voltage Current-Limiting Fuse 390A @ 4800V (50kA AIC Rating)

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Mersen A480R18R-1AB is a medium voltage Amp-Trap current-limiting fuse designed for robust circuit protection in demanding industrial power systems. It features a 4800V AC voltage rating and a 390A current rating, providing reliable overcurrent protection for medium voltage applications. The fuse construction utilizes a two-barrel design with a 2-inch diameter and requires fuse clips with a 17.88-inch center-to-center spacing for proper installation. This R-class fuse complies with industry standards for medium voltage protection and carries a 50kA interrupting rating at 4.8kV. Typical applications include protection of transformers, motors, and feeders in industrial power distribution networks where high fault current interruption is critical.

Key Features & Specifications
  • Type: Medium Voltage Amp-Trap Current-Limiting Fuse, R-Class, Two-Barrel Design
  • Voltage Rating: 4800V AC
  • Current Rating: 390A
  • Dimensions: 2-inch Diameter, 17.88-inch Clip Center Spacing
  • Standards: R-Class Medium Voltage Fuse Standards
  • Applications: Industrial Power Systems, Transformer Protection, Motor Circuits, Feeder Protection
  • AIC Rating: 50kA @ 4.8kV
  • Weight: 21 lb
  • Family: Amp-Trap
  • Type: A480R
  • Class Rating: R
  • Barrels: 2
  • Item Subcategory: Medium Voltage