Bussmann KTN-R-400 - RK1 Fuse 400A@250V (200kA AIC)

Bussmann KTN-R-400 is a Class RK1 low-voltage current-limiting fuse designed for circuit protection in industrial power distribution systems. It features a 400A current rating and 250V voltage rating with a 200kA interrupting capacity, housed in a durable 8.63" x 2.06" x 2.06" (LxWxH) ceramic body weighing 1 lb. UL/CSA/CE-certified with RK1 time-delay characteristics, this LIMITRON series fuse provides reliable protection for motor circuits, transformers, and feeder applications where high fault currents may occur.

Key Features & Specifications

• Type: Current-limiting time-delay fuse (RK1 class)
• Voltage Rating: 250V AC
• Current Rating: 400A
• Dimensions: 8.63" L x 2.06" W x 2.06" H
• Standards: UL 248-8, CSA C22.2 No. 248.8, CE
• Applications: Motor circuits, transformers, feeders
• Class Rating: RK1
• AIC rating: 200kA @ 250V
• Construction: Ceramic body with single barrel design
• Diameter: 2.06 inches
• Weight: 1 lb

Product Identification

• UPC: 051712407250
• GTIN: 00051712407250