Fuse Tri-Onic® 600V 7A Time-Delay Class RK5 TRS Series - Motor Circuit Protection Fuse

The Fuse Tri-Onic® 600V 7A Time-Delay Class RK5 TRS Series is designed for 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 opening, making it suitable for general-purpose electrical distribution and lighting solutions. It is commonly used by electrical distributors and switchgear suppliers for reliable wire and cable protection.

Specifications

• Manufacturer: Mersen
• Manufacturer Part #: TRS7R
• Class: Class RK5
• Amperage Rating: 7 A
• Voltage Rating: 600 V AC
• Interrupt Rating: 200 kA
• Frequency: 50 hertz
• Dimensions (L x W x H): 5 in x 0.81 in x 0.81 in
• Diameter: 0.81 inches
• Mounting Type: Clip
• Connection Type: Ferrule
• Insulation Material: PolyTube
• Product Weight: 0.1370 lbs

Features

• Time-delay characteristic for handling harmless starting and inrush currents
• Current-limiting design for low peak let-thru current
• Suitable for AC and DC applications
• Rejection-style design to prevent replacement errors when used with recommended fuse blocks
• Fiberglass body provides 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

• Drawings
• Spec Sheet
• Curves 2
• Curves 1