TR400R Mersen Tri-Onic Low Voltage Fuse 250V 400A Fuse - Essential Electric Supply
TR400R Mersen Tri-Onic Low Voltage Fuse 250V 400A Fuse - Essential Electric Supply

Mersen TR400R - TR Series Fuse 400A (250V AC, 200kA AIC)

Mersen
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Mersen TR400R is a low-voltage fuse designed for high-performance circuit protection in industrial applications. This RK5-class TR-type fuse features a 250V AC rating with a 400A current capacity and a 200kA interrupting rating at 250V for reliable short-circuit protection. The single-barrel construction measures 2.56" in diameter and weighs 1 lb, built with Mersen's Tri-Onic technology for time-delay characteristics and compact design. It meets industry standards for low-voltage protection systems and is commonly used in motor control centers, switchgear, and power distribution panels requiring Class RK5 protection.

Key Features & Specifications
  • Type: TR-series time-delay fuse with Tri-Onic technology
  • Voltage Rating: 250V AC
  • Current Rating: 400A
  • Dimensions: 2.56" diameter
  • Standards: Class RK5
  • Applications: Industrial power distribution, motor protection
  • AIC rating: 200kA@250V
  • Barrels: 1
  • Weight: 1 lb
Product Identification
  • UPC: 782001748159
  • GTIN: 00782001748159