Mersen TR125R - RK5 Class Fuse 125A 250V (200kA AIC)

Mersen TR125R is a low voltage current-limiting fuse designed for industrial circuit protection applications. This RK5 class TR fuse features a 125A current rating and 250V voltage rating with exceptional 200kA interrupting capacity at rated voltage. The single-barrel construction measures 1.56 inches in diameter and weighs 5.19 lb, utilizing time-delay characteristics to prevent nuisance tripping from motor starting currents. Compliant with industry standards for current-limiting fuses, this Tri-Onic family device provides reliable protection for industrial control circuits, motor branch circuits, and feeder applications where high fault current interruption is required.

Key Features & Specifications

• Type: Current-limiting time-delay fuse, RK5 class, single barrel construction
• Voltage Rating: 250V AC
• Current Rating: 125A
• Dimensions: 1.56 inches diameter
• Standards: Industry standard RK5 classification
• Applications: Industrial control circuits, motor protection, feeder circuits
• AIC rating: 200kA@250V
• Class Rating: RK5
• Barrels: 1
• Weight: 5.19 lb
• Family: Tri-Onic
• Item Subcategory: Low Voltage Fuse

Product Identification

• UPC: 782001748050
• GTIN: 00782001748050