Cooper Bussmann KTN-R-300 - RK1 Fuse 300A (200kA AIC @250V)

Cooper Bussmann KTN-R-300 is a low-voltage RK1 class fuse designed for circuit protection in industrial electrical systems. It features a 300A current rating and 250V voltage rating with a 200kA interrupting capacity at rated voltage, housed in a durable cylindrical body measuring 8.63" L x 2.06" W x 2.06" H with 0.81" diameter. The single-barrel construction meets industry standards for time-delay protection, making it suitable for motor circuits, transformers, and feeder protection applications where high fault current interruption is required.

Key Features & Specifications

• Type: RK1 time-delay fuse with cylindrical body
• Voltage Rating: 250V AC
• Current Rating: 300A
• Dimensions: 8.63" L x 2.06" W x 2.06" H (219.2mm x 52.3mm x 52.3mm)
• Standards: UL/CSA recognized
• Applications: Motor circuits, transformers, feeder protection
• Class Rating: RK1
• AIC rating: 200kA@250V
• Barrels: 1
• Diameter: 0.81" (20.6mm)
• Weight: 1 lb (0.45kg)

Product Identification

• UPC: 05171240723
• GTIN: 00051712407236