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Bussmann LPNRK125SPI - Low-Peak RK1 Fuse 125A (300kA AIC @250V)

Bussmann
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Bussmann LPNRK125SPI is a Low-Peak RK1 time-delay fuse designed for reliable circuit protection in industrial electrical systems, providing high-interrupting capacity protection against overloads and short circuits. It features a 125A current rating and 250V voltage rating with a 300kA interrupting rating at 250V AC, ensuring robust performance in demanding applications. The fuse construction utilizes a single-barrel design with a 1.61-inch diameter and weighs 1 lb, featuring time-delay characteristics that allow temporary overloads without nuisance opening while providing fast response to short-circuit conditions. This fuse meets industry standards for RK1 class fuses and is typically applied in motor branch circuits, feeder circuits, and industrial control panels where coordinated protection and high fault current interruption are required.

Key Features & Specifications
  • Type: Low-Peak RK1 time-delay fuse, single barrel construction
  • Voltage Rating: 250V AC
  • Current Rating: 125A
  • Dimensions: 1.61-inch diameter
  • Standards: RK1 class rating
  • Applications: Motor branch circuits, feeder circuits, industrial control panels
  • AIC rating: 300kA@250V
  • Weight: 1 lb
  • Barrels: 1
  • Family: Low-Peak
  • Item Subcategory: Low Voltage