LLNRK300 Littelfuse LLNRK Low Voltage Fuse 250V 300A Fuse - Essential Electric Supply
LLNRK300 Littelfuse LLNRK Low Voltage Fuse 250V 300A Fuse - Essential Electric Supply
LLNRK300 Littelfuse LLNRK Low Voltage Fuse 250V 300A Fuse - Essential Electric Supply
LLNRK300 Littelfuse LLNRK Low Voltage Fuse 250V 300A Fuse - Essential Electric Supply

Littelfuse LLNRK300 - RK1 Fuse 300A (200kA@250V Interrupt Rating)

Littelfuse
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Littelfuse LLNRK300 is a low-voltage RK1 class fuse designed for high-current circuit protection in industrial applications. It features a 300A current rating and 250V voltage rating with a 200kA interrupting capacity at rated voltage, housed in a durable 8 5/8-inch long by 2 3/32-inch diameter barrel construction. The fuse meets RK1 standards for time-delay characteristics and features a 2 lb industrial-grade design for reliable performance in demanding environments. Typical applications include motor branch circuits, transformer protection, and industrial power distribution systems where high fault current protection is required.

Key Features & Specifications
  • Type: RK1 time-delay fuse with single barrel construction
  • Voltage Rating: 250V AC
  • Current Rating: 300A
  • Dimensions: 8 5/8" L x 2 3/32" D (219.1mm x 53.2mm)
  • Standards: UL/CSA Listed RK1 class
  • Applications: Industrial power distribution, motor protection, transformer circuits
  • Class Rating: RK1
  • AIC rating: 200kA@250V
  • Weight: 2 lb (0.91 kg)
  • Country of Origin: Mexico
Product Identification
  • UPC: 07945833091
  • GTIN: 00079458330915