Bussmann KTN-R-45 - Class RK1 Time-Delay Fuse 45A (200kA AIC @250V)

The Bussmann KTN-R-45 is a Class RK1 low-voltage current-limiting fuse designed to provide reliable circuit protection in industrial electrical systems. It features a 45A current rating and 250V voltage rating with a high 200kA interrupting capacity at 250V AC for superior fault current protection. The fuse measures 3 inches in length with a 0.81-inch square body configuration and features single-barrel construction with time-delay characteristics. This fuse meets industry standards for RK1 classification, ensuring coordinated protection with other circuit components. Typical applications include motor branch circuits, transformers, and industrial control panels where selective coordination and equipment protection are critical.

Key Features & Specifications

• Type: Class RK1 current-limiting time-delay fuse, single barrel construction
• Voltage Rating: 250V AC
• Current Rating: 45A
• Dimensions: 3" L × 0.81" W × 0.81" H
• Standards: UL/CSA Listed, Class RK1
• Applications: Motor circuits, transformers, industrial control panels
• AIC rating: 200,000A @ 250V AC
• Class Rating: RK1
• Barrels: 1
• Diameter: 2"
• Weight: 1.9 lb
• Item Subcategory: Low Voltage Fuse

Product Identification

• UPC: 051712407106