Fuse Tri-Onic® 250V 8A Time-Delay Class RK5 TR Series – Electrical Protection Fuse

The Fuse Tri-Onic® 250V 8A 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 features time-delay and current-limiting characteristics to safely handle motor start-ups and transformer inrush currents without nuisance openings. It is suitable for electrical distributors and switchgear suppliers seeking reliable protection components for general-purpose equipment and lighting solutions involving wire and cable systems.

Specifications

• Manufacturer: Mersen
• Manufacturer Part #: TR8R
• Voltage Rating: 250 V AC
• Amperage Rating: 8 A
• Interrupt Rating: 200 kA
• Fuse Class: Class RK5
• Frequency: 50 hertz
• Mounting Type: Clip
• Connection: Ferrule
• Insulation Material: PolyTube
• Dimensions: Length 2 in, Diameter 0.56 in, Width 0.56 in, Height 0.56 in
• Product Weight: 0.0370 lbs

Features

• Time-delay design to accommodate harmless starting and inrush currents
• Current-limiting for low peak let-thru current
• AC and DC rated for versatile application
• Rejection-style design to prevent replacement errors when used with recommended fuse blocks
• Easy-to-read label with metal-embossed date and catalog number for traceability
• Fiberglass body providing dimensional stability in harsh industrial environments
• High-grade silica filler for fast arc quenching and high current limitation

Downloads & Links

• Spec Sheet
• Curves
• Drawings