Fuse Tri-Onic® 600V 400A Time-Delay Class RK5 TRS Series Smart-Spot

The Fuse Tri-Onic® TRS Series is a 600V, 400A time-delay fuse designed for overcurrent protection in motor circuits, mains, feeders, branch circuits, transformers, service entrance equipment, and general-purpose equipment. Engineered by Mersen, this Class RK5 fuse features current-limiting and time-delay characteristics to handle harmless motor starting currents and transformer inrush currents without nuisance openings. It is suitable for electrical distributors and switchgear suppliers seeking reliable protection solutions.

Specifications

• Amperage Rating: 400 A
• Voltage Rating: 600 V AC/DC
• Fuse Class: Class RK5
• Interrupt Rating: 200 kA
• Frequency: 50 hertz
• Mounting Type: Clip
• Connection: Blade
• Dimensions (L x W x H): 11.63 in x 2.56 in x 2.56 in
• Diameter: 2.56 inches
• Product Weight: 3.14 lbs
• Insulation Material: PolyTube
• Manufacturer Part Number: TRS400RID

Features

• Time-delay for motor start-ups and transformer inrush currents without nuisance opening
• Current-limiting for low peak let-thru current
• Optional SmartSpot® solid-state blown fuse indicator for quick visual status
• 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 provides dimensional stability in harsh industrial settings
• High-grade silica filler ensures fast arc quenching and high current limitation

Downloads & Links

• Drawings
• Spec Sheet
• Curves 1
• Curves 2