Mersen TR125R - TR-Series Fuse 125A (200kA AIC @250V)

Mersen TR125R is a low-voltage current-limiting fuse designed for circuit protection in industrial electrical systems. This RK5-class TR-series fuse features a 250V AC rating with a 125A current capacity and 200kA interrupting rating at 250V for reliable short-circuit protection. The single-barrel design measures 1.56" in diameter and utilizes Mersen's Tri-Onic technology for precise time-delay characteristics and enhanced arc-quenching performance. UL/CSA certified, this fuse meets industry standards for motor branch circuit and feeder protection applications across manufacturing plants, commercial buildings, and power distribution equipment.

Key Features & Specifications

• Type: Tri-Onic time-delay current-limiting fuse (RK5 class)
• Voltage Rating: 250V AC
• Current Rating: 125A
• Dimensions: 1.56" diameter single-barrel construction
• Standards: UL/CSA listed
• Applications: Motor circuits, transformers, feeders
• AIC rating: 200kA @ 250V
• Class Rating: RK5

Product Identification

• UPC: 782001748050
• GTIN: 00782001748050