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

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