Fuse Tri-Onic® 250V 150A Time-Delay Class RK5 TR Series Smart-Spot

The Tri-Onic TR-R time-delay fuse is designed for overcurrent protection in motor circuits, mains feeders, branch circuits, transformers, and service entrance equipment. Engineered by Mersen, this Class RK5 fuse features current-limiting and time-delay characteristics to safely handle motor start-up and transformer inrush currents without nuisance openings. It is suitable for general-purpose electrical distribution and lighting solutions where reliable protection is required.

Specifications

• Amperage Rating: 150 A
• Voltage Rating: 250 V AC
• Interrupt Rating: 200 kA
• Frequency: 50 hertz
• Dimensions (L x W x H): 7.13 in x 1.56 in x 1.56 in
• Diameter: 1.56 inches
• Mounting Type: Clip
• Connection: Blade
• Insulation Material: PolyTube
• Fuse Class: Class RK5
• Product Weight: 0.7520 lbs
• Manufacturer: Mersen
• Manufacturer Part Number: TR150RID

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 easy visual identification
• Rejection-style design to prevent replacement errors when used with recommended fuse blocks
• 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

• Curves 2
• Spec Sheet
• Drawings
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