Bussmann KTN-R-50 - RK1 Time-Delay Fuse 50A 250V (200kA AIC)

The Bussmann KTN-R-50 is a current-limiting, time-delay fuse from the LIMITRON family designed to provide reliable circuit protection in industrial power distribution systems. It features a 50A current rating and 250V voltage rating with a high 200kA interrupting capacity, ensuring robust fault current protection. The fuse construction includes a single-barrel design with 0.81-inch diameter and measures 8-5/8 inches in length, weighing 1.9 lb for durable performance. It complies with UL 248-12, CSA C22.2 No. 248.12, and CE standards, meeting RK1 class requirements for time-delay characteristics. Typical applications include motor branch circuits, transformers, and feeder circuits where coordinated protection is essential.

Key Features & Specifications

• Type: Current-limiting time-delay fuse, single barrel construction
• Voltage Rating: 250V AC
• Current Rating: 50A
• Dimensions: 8-5/8 inches length, 0.81 inches diameter
• Standards: UL 248-12 Guide JDDZ, File E4273, CSA C22.2 No. 248.12, Class 1422-02, File 53787, CE
• Applications: Motor branch circuits, transformers, feeder circuits
• AIC rating: 200kA@250V
• Class Rating: RK1
• Barrels: 1
• Weight: 1.9 lb
• Family: LIMITRON
• Country of Origin: Mexico

Product Identification

• UPC: 051712407113
• GTIN: 00051712407113