Bussmannn KTN-R-500 - RK1 Current-Limiting Fuse 500A@250V (200kA AIC)

Bussmannn KTN-R-500 is a Class RK1 low-voltage current-limiting fuse designed for circuit protection in industrial power distribution systems. It features a 500A current rating and 250V voltage rating with a 200kA interrupting capacity, housed in a durable 10.38-inch cylindrical package with 2.59-inch diameter. The fuse meets RK1 classification standards for time-delay characteristics and features a single-barrel construction. Typical applications include motor control centers, switchgear, and panelboard protection where high fault current interruption is required.

Key Features & Specifications

• Type: Current-limiting time-delay fuse (RK1 class)
• Voltage Rating: 250V AC
• Current Rating: 500A
• Dimensions: 10.38"L x 2.59"W x 2.59"H (263.65mm x 65.79mm x 65.79mm)
• Standards: UL/CSA listed
• Applications: Industrial power distribution, MCCs, switchgear
• AIC rating: 200kA@250V
• Class Rating: RK1
• Barrels: 1
• Diameter: 2.59 inches (65.79mm)
• Weight: 2 lb (0.91kg)

Product Identification

• UPC: 051712407274
• GTIN: 00051712407274