Mersen TR45R - TR-Class Fuse 45A 250V (200kA AIC)

Mersen TR45R 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 45A current capacity and 200kA interrupting capacity at rated voltage. The single-barrel design measures 0.81 inches in diameter, constructed with Mersen's Tri-Onic technology for reliable performance. It meets industry standards for time-delay protection in branch circuits. Typical applications include motor control centers, panelboards, and industrial power distribution systems where selective coordination is required.

Key Features & Specifications

• Type: TR-class time-delay fuse with Tri-Onic technology
• Voltage: 250V AC
• Current: 45A
• Diameter: 0.81 inches (20.57mm)
• Class Rating: RK5
• AIC Rating: 200kA at 250V
• Construction: Single barrel design
• Standards: UL/CSA recognized
• Applications: Industrial power distribution, motor protection, panelboards

Product Identification

• UPC: 782001747923
• GTIN: 00782001747923