Fuse Tri-Onic® 250V 2A Time-Delay Class RK5 TR Series – Motor Circuit Protection Fuse

The Fuse Tri-Onic® 250V 2A Time-Delay Class RK5 TR Series by Mersen is engineered for overcurrent protection in motor circuits, mains, feeders, branch circuits, transformers, service entrance equipment, and general-purpose electrical equipment. This time-delay fuse is designed to safely handle harmless starting currents and inrush currents typical of motors and transformers, making it suitable for electrical distributors and switchgear suppliers requiring reliable protection solutions.

Specifications

• Amperage Rating: 2 A
• Voltage Rating: 250 V AC
• Interrupt Rating: 200 kA
• Fuse Class: Class RK5
• Frequency: 50 hertz
• Dimensions: Length 2 in, Diameter 0.56 in, Width 0.56 in, Height 0.56 in
• Mounting Type: Clip
• Connection: Ferrule
• Insulation Material: PolyTube
• Product Weight: 0.0370 lb
• Manufacturer: Mersen
• Manufacturer Part Number: TR2R

Features

• Time-delay characteristic for handling motor start-ups and transformer inrush currents without nuisance opening
• Current-limiting design reduces peak let-thru current to protect downstream equipment
• Rejection-style design prevents replacement errors when used with recommended fuse blocks
• Easy-to-read label with 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