Fuse Tri-Onic® 250V 300A Time-Delay Class RK5 TR Series Smart-Spot

The Fuse Tri-Onic® 250V 300A Time-Delay Class RK5 TR Series Smart-Spot is designed for overcurrent protection in motor circuits, mains feeders, branch circuits, transformers, and service entrance equipment. This time-delay fuse safely handles starting and inrush currents typical in motor and transformer applications, making it suitable for electrical distributors and switchgear suppliers requiring reliable protection solutions.

Specifications

• Amperage Rating: 300 A
• Voltage Rating: 250 V AC
• Interrupt Rating: 200 kA
• Frequency: 50 hertz
• Fuse Class: Class RK5
• Dimensions (L x W x H): 8.63 in x 2.06 in x 2.06 in
• Diameter: 2.06 inches
• Weight: 1.64 lbs
• Connection Type: Blade
• Mounting Type: Clip
• Insulation Material: PolyTube
• Manufacturer: Mersen
• Manufacturer Part Number: TR300RID

Features

• Time-delay characteristics to handle harmless motor starting and transformer inrush currents
• Dual element fuse design for reliable overcurrent protection
• Smart-Spot indicator for easy visual fuse status identification
• PolyTube insulation for enhanced durability and safety
• Clip mounting for secure and straightforward installation

Downloads & Links

• Curves 1
• Drawings
• Curves 2
• Spec Sheet