Fuse Tri-Onic® 250V 125A Time-Delay Class RK5 TR Series

Fuse Tri-Onic® 250V 125A Time-Delay Class RK5 TR Series – Motor Circuit Protection Fuse The Fuse Tri-Onic® 250V 125A Time-Delay Class RK5 TR Series is engineered for reliable overcurrent protection in motor circuits, mains, feeders, branch circuits, transformers, and service entrance equipment. This time-delay fuse safely handles motor start-ups and transformer inrush currents, preventing nuisance openings. It is suitable for electrical distributors and switchgear suppliers requiring robust protection solutions in industrial and commercial lighting and electrical systems. Specifications Manufacturer: Mersen Amperage Rating: 125 A Voltage Rating: 250 VAC Interrupt Rating: 200 kA Frequency: 50 hertz Fuse Class: Class RK5 Connection Type: Blade Mounting Type: Clip Diameter: 1.56 inches Insulation Material: PolyTube Product Weight: 0.5 lb Manufacturer Part Number: TR125R Features Time-delay characteristic for handling harmless starting and inrush currents Current-limiting design reduces peak let-thru current Rejection-style design prevents replacement errors when used with recommended fuse blocks Fiberglass body ensures dimensional stability in harsh industrial environments High-grade silica filler for fast arc quenching and high current limitation Easy-to-read label with metal-embossed date and catalog number for traceability Downloads & Links Curves 2 Spec Sheet Drawings Curves 1