Mersen TR4R - TR Fuse 4A 250V (200kA AIC RK5 Class)

Mersen TR4R is a low-voltage fuse designed for circuit protection in industrial electrical systems. This RK5-class TR-type fuse features a 250V AC rating with a 4A current capacity and 200kA interrupting rating at 250V for reliable short-circuit protection. Its compact 0.56" diameter single-barrel construction weighs just 0.05 lb while meeting stringent industry standards for time-delay protection. The Tri-Onic series fuse is UL-recognized and commonly used in motor control centers, transformers, and power distribution equipment requiring selective coordination.

Key Features & Specifications

• Type: TR time-delay fuse with ceramic body
• Voltage Rating: 250V AC
• Current Rating: 4A
• Dimensions: 0.56" diameter
• Standards: UL 248-5 recognized
• Applications: Motor circuits, transformers, industrial controls
• Class Rating: RK5
• AIC rating: 200kA@250V
• Barrels: 1
• Weight: 0.05 lb

Product Identification

• UPC: 782001747718
• GTIN: 00782001747718