Fuse Tri-Onic® 250V 400A Time-Delay Class RK5 TR Series

Fuse Tri-Onic® 250V 400A Time-Delay Class RK5 TR Series The Fuse Tri-Onic 250V 400A Time-Delay Class RK5 TR Series by Mersen is designed for overcurrent protection in motor circuits, mains feeders, branch circuits, transformers, and service entrance equipment. This time-delay fuse safely manages inrush and starting currents typical of motors and transformers, making it suitable for general-purpose electrical distribution and lighting solutions. Specifications Amperage Rating: 400 A Voltage Rating: 250 V Interrupt Rating: 200 kA Frequency: 50 hertz Fuse Class: Class RK5 Diameter: 2.06 inches Mounting Type: Clip Connection: Blade Insulation Material: PolyTube Product Weight: 0.5 lb Manufacturer Part #: TR400R Features Time-delay characteristics to handle harmless motor starting and transformer inrush currents Engineered for reliable overcurrent protection of motors, transformers, feeders, and branch circuits Clip mounting for secure and easy installation PolyTube insulation provides robust electrical isolation Downloads & Links Curves 1 Drawings Curves 2 Spec Sheet