Fuse Tri-Onic® 250V 5A Time-Delay Class RK5 TR Series – Electrical Protection Fuse

The Fuse Tri-Onic® 250V 5A Time-Delay Class RK5 TR Series by Mersen is designed for overcurrent protection in motor circuits, mains, feeders, branch circuits, transformers, and service entrance equipment. This fuse provides reliable time-delay and current-limiting characteristics to handle motor start-ups and transformer inrush currents without nuisance openings. It is suitable for electrical distributors and switchgear suppliers seeking effective protection solutions for wire and cable systems and lighting solutions in industrial and commercial applications.

Specifications

• Manufacturer: Mersen
• Manufacturer Part #: TR5R
• Class: Class RK5
• Voltage Rating: 250 V AC
• Amperage Rating: 5 A
• Interrupt Rating: 200 kA
• Frequency: 50 hertz
• Dimensions (L x W x H): 2 in x 0.56 in x 0.56 in
• Diameter: 0.56 inches
• Mounting Type: Clip
• Connection Type: Ferrule
• Insulation Material: PolyTube
• Product Weight: 0.0370 lbs

Features

• Time-delay for motor start-ups and transformer inrush currents without nuisance opening
• Current-limiting for low peak let-thru current
• AC and DC rated
• Rejection-style design to prevent replacement errors when used with recommended fuse blocks
• Easy-to-read label for quick brand recognition and replacement
• Metal-embossed date and catalog number for traceability and lasting identification
• Fiberglass body for dimensional stability in harsh industrial environments
• High-grade silica filler for fast arc quenching and high current limitation

Downloads & Links

• Spec Sheet
• Curves
• Drawings