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

Bussmann KTN-R-50 is a LIMITRON series low-voltage fuse designed for circuit protection in industrial applications. This RK1-class fuse features a 250V AC rating with a 50A current capacity and 200kA interrupting rating at 250V for reliable overcurrent protection. The cylindrical design measures 8-5/8" in length with a 0.81" diameter, constructed with a single barrel configuration weighing 1.9 lb. It meets UL 248-12, CSA C22.2 No. 248.12, and CE standards for safety compliance. Typical applications include motor control centers, panelboards, and industrial power distribution systems requiring high interrupting capacity protection.

Key Features & Specifications

• Type: KTN-R time-delay fuse with current-limiting RK1 classification
• Voltage Rating: 250V AC
• Current Rating: 50A
• Dimensions: 8-5/8" length x 0.81" diameter
• Standards: UL 248-12 (File E4273), CSA C22.2 No. 248.12 (File 53787), CE
• Applications: Industrial power distribution, motor protection, panelboards
• Class Rating: RK1
• Barrels: 1
• AIC rating: 200kA@250V
• Weight: 1.9 lb
• Country of Origin: Mexico

Product Identification

• UPC: 051712407113
• GTIN: 00051712407113