Fuse Tri-Onic® 250V 7A Time-Delay Class RK5 TR Series

Fuse Tri-Onic® 250V 7A Time-Delay Class RK5 TR Series – Motor Circuit Protection The Fuse Tri-Onic® 250V 7A 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 current-limiting, time-delay fuse safely handles starting and inrush currents typical of motors and transformers, making it suitable for general-purpose electrical distribution and lighting solutions. It features a clip mounting type and ferrule connection, optimized for reliable installation and operation within switchgear and wire and cable systems. Specifications Amperage Rating: 7 A Voltage Rating: 250 V AC Interrupt Rating: 200 kA Frequency: 50 hertz Fuse Class: Class RK5 Mounting Type: Clip Connection: Ferrule Dimensions (L x W x H): 2 in x 0.56 in x 0.56 in Diameter: 0.56 inches Product Weight: 0.0370 lbs Insulation Material: PolyTube Manufacturer: Mersen Manufacturer Part Number: TR7R Features Time-delay characteristic to prevent nuisance opening during motor start-ups and transformer inrush currents Current-limiting for low peak let-thru current, enhancing circuit protection 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 providing dimensional stability in harsh industrial environments High-grade silica filler ensures fast arc quenching and high current limitation Downloads & Links Spec Sheet Curves Drawings