Bussmann KTN-R-20 - RK1 Class Fuse 20A 250V (200kA AIC)

The Bussmann KTN-R-20 is a current-limiting, time-delay fuse from the LIMITRON family designed to provide reliable circuit protection in industrial electrical systems. It features a 20A current rating and a 250V AC voltage rating, with a high 200kA interrupting capacity at 250V for superior short-circuit protection. The fuse is constructed with a single-barrel design measuring 0.56 inches in diameter and 2 inches in height, weighing 1.1 lb, and carries an RK1 class rating for time-delay operation and current limitation. This fuse complies with industry standards for current-limiting protection and is typically applied in motor branch circuits, transformers, and feeder circuits where selective coordination and equipment protection are required.

Key Features & Specifications

• Type: Current-limiting, time-delay fuse, single-barrel construction
• Voltage Rating: 250V AC
• Current Rating: 20A
• Dimensions: 0.56" diameter × 2" height
• Standards: RK1 class rated
• Applications: Motor branch circuits, transformers, feeder circuits
• AIC rating: 200kA @ 250V
• Class Rating: RK1
• Barrels: 1
• Diameter: 0.56 inches
• Weight: 1.1 lb

Product Identification

• UPC: 051712407052
• GTIN: 00051712407052