Cooper Bussmann LPNRK3SP - RK1 Time-Delay Fuse 3A 250V (300kA AIC)

Cooper Bussmann LPNRK3SP is a low-voltage RK1 time-delay fuse designed for circuit protection in industrial electrical systems. It features a 250V AC rating with a 3A current capacity and a high interrupting rating of 300kA at 250V for reliable short-circuit protection. The fuse has a compact cylindrical design with a 0.81-inch diameter and single-barrel construction, meeting UL/CSA standards for safety and performance. Its RK1 classification ensures selective coordination and time-delay characteristics for motor circuit protection. Typical applications include industrial control panels, HVAC systems, and transformer protection where durable, high-performance fusing is required.

Key Features & Specifications

• Type: RK1 time-delay fuse with ceramic body and tin-plated end caps
• Voltage Rating: 250V AC
• Current Rating: 3A
• Diameter: 0.81 inches (20.57mm)
• Class Rating: RK1
• Barrels: 1
• AIC rating: 300kA@250V
• Standards: UL/CSA listed
• Applications: Motor circuits, transformers, industrial controls