Fuse Tri-Onic® 250V 4A Time-Delay Class RK5 TR Series

Fuse Tri-Onic® 250V 4A Time-Delay Class RK5 TR Series – Electrical Overcurrent Protection The Fuse Tri-Onic® 250V 4A Time-Delay Class RK5 TR Series by Mersen is designed for reliable overcurrent protection in motor circuits, mains feeders, branch circuits, transformers, and service entrance equipment. This time-delay fuse safely handles motor start-up and transformer inrush currents without nuisance openings, making it suitable for a variety of industrial electrical applications. It is a key component for electrical distributors and switchgear suppliers seeking robust protection solutions for wire and cable systems and lighting solutions. Specifications Manufacturer: Mersen Manufacturer Part #: TR4R Class: Class RK5 Voltage Rating: 250V AC Amperage Rating: 4 A Interrupt Rating: 200 kA 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 characteristic for handling harmless motor starting and transformer inrush currents Current-limiting design reduces peak let-thru current AC and DC rated for versatile application Rejection-style design prevents 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 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