Mersen TR40R - TR Fuse 40A 250V (RK5 Class 200kA AIC)

Mersen TR40R is a low-voltage current-limiting fuse designed for industrial circuit protection applications. This RK5 class fuse features a 40A current rating and 250V voltage rating with a high 200kA interrupting capacity at 250V for reliable short-circuit protection. The single-barrel construction measures 0.81 inches in diameter and weighs 5.19 lb, built to withstand demanding industrial environments. It complies with industry standards for time-delay fuses, providing both overload and short-circuit protection. Typical applications include motor branch circuits, transformers, and industrial control panels where coordinated protection is required.

Key Features & Specifications

• Type: TR Tri-Onic time-delay current-limiting fuse
• Voltage Rating: 250V AC
• Current Rating: 40A
• Dimensions: 0.81" diameter
• Standards: RK5 class rating
• Applications: Motor circuits, transformers, industrial control panels
• AIC rating: 200kA@250V
• Barrels: 1
• Class Rating: RK5
• Weight: 5.19 lb
• Family: Tri-Onic

Product Identification

• UPC: 782001747916
• GTIN: 00782001747916