Fuse Tri-Onic® 250V 0.1A Time-Delay Class RK5 TR Series – Electrical Protection Fuse

The Fuse Tri-Onic® 250V 0.1A Time-Delay Class RK5 TR Series by Mersen is engineered for overcurrent protection in motor circuits, mains, feeders, branch circuits, transformers, and service entrance equipment. This current-limiting, time-delay fuse is designed to handle harmless motor starting and transformer inrush currents without nuisance opening, making it suitable for general-purpose electrical distribution and lighting solutions. It is an essential component for electrical distributors and switchgear suppliers requiring reliable wire and cable protection.

Specifications

• Amperage Rating: 0.1 A
• Voltage Rating: 250 V AC
• Fuse Class: Class RK5
• Interrupt Rating: 200 kA
• Frequency: 50 hertz
• Dimensions: Length 2 in, Diameter 0.56 in, Width 0.56 in, Height 0.56 in
• Mounting Type: Clip
• Connection Type: Ferrule
• Insulation Material: PolyTube
• Product Weight: 0.0370 lbs
• Manufacturer: Mersen
• Manufacturer Part Number: TR1/10R

Features

• Time-delay characteristic for motor start-ups and transformer inrush currents
• Current-limiting design reduces peak let-thru current
• Rejection-style design prevents replacement errors when used with recommended fuse blocks
• Easy-to-read label for quick identification and replacement
• Metal-embossed date and catalog number for traceability and lasting identification
• Fiberglass body provides dimensional stability in harsh industrial environments
• High-grade silica filler ensures fast arc quenching and high current limitation

Downloads & Links

• Spec Sheet
• Curves
• Drawings