Cooper Bussmann KTN-R-125 - RK1 Time-Delay Fuse 125A (200kA AIC @250V)

Cooper Bussmann KTN-R-125 is a low-voltage RK1 time-delay fuse designed for circuit protection in industrial electrical systems. It features a 250V AC/DC voltage rating and 125A current rating with a 200kA interrupting capacity at rated voltage, housed in a compact 7.1" x 1.56" x 1.56" (LxHxW) ceramic body with 0.81" diameter and single-barrel construction. UL-listed and compliant with industry standards, this fuse provides reliable protection for motor circuits, transformers, and power distribution equipment.

Key Features & Specifications

• Type: RK1 time-delay fuse with ceramic body construction
• Voltage Rating: 250V AC/DC
• Current Rating: 125A
• Dimensions: 7.1" L x 1.56" H x 1.56" W (180.3mm x 39.6mm x 39.6mm)
• Standards: UL listed
• Applications: Motor circuits, transformers, power distribution
• Class Rating: RK1
• AIC rating: 200kA@250V
• Barrels: 1
• Diameter: 0.81" (20.6mm)
• Weight: 1 lb (0.45kg)

Product Identification

• UPC: 05171240717
• GTIN: 00051712407175