LPN-RK-20 Cooper Bussmann Low-Peak Low Voltage - Essential Electric Supply
LPN-RK-20 Cooper Bussmann Low-Peak Low Voltage - Essential Electric Supply

Bussmann LPN-RK-20 - Low-Peak Time-Delay Fuse 20A (300kA AIC @250V)

Bussmann
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Bussmann LPN-RK-20 is a Low-Peak time-delay fuse designed for branch circuit protection in industrial electrical systems. This RK1 class fuse operates at 250V AC with a 20A current rating and provides a 300kA interrupting rating at 250V for reliable short-circuit protection. The single-barrel ferrule-connected fuse features a compact 0.56-inch diameter construction and weighs 5.19 lb, meeting industry standards for time-delay applications. It complies with UL/CSA requirements for Class RK1 fuses and is typically applied in motor circuits, transformers, and other equipment requiring overload and short-circuit protection with minimal nuisance tripping.

Key Features & Specifications
  • Type: Low-Peak time-delay fuse, RK1 class, single barrel ferrule connection
  • Voltage Rating: 250V AC
  • Current Rating: 20A
  • Dimensions: 0.56" diameter
  • Standards: UL/CSA Class RK1
  • Applications: Motor circuits, transformers, branch circuit protection
  • AIC rating: 300kA@250V
  • Connection: Ferrule
  • Barrels: 1
  • Class Rating: RK1
  • Weight: 5.19 lb


Product Identification
  • GTIN: 051712538343