Littelfuse LLNRK020 - RK1 Class Fuse 20A/250V (200kA AIC)

Littelfuse LLNRK020 is a low-voltage fuse designed for circuit protection in industrial electrical systems. This RK1-class fuse features a 250V AC rating with a 20A current capacity and 200kA interrupting rating at 250V for reliable overcurrent protection. The single-barrel construction measures 1.06" in diameter with a compact 0.05 lb weight, meeting UL/CSA standards for safety compliance. Its time-delay characteristics make it ideal for motor circuits, transformers, and feeder protection where inrush currents occur.

Key Features & Specifications

• Type: LLNRK series time-delay fuse with sand-filled ceramic body
• Voltage Rating: 250V AC
• Current Rating: 20A
• Dimensions: 1.06" diameter
• Standards: UL/CSA listed
• Applications: Motor circuits, transformers, industrial feeders
• Class Rating: RK1
• Barrels: 1
• AIC rating: 200kA@250V
• Weight: 0.05 lb

Product Identification

• UPC: 07945833071
• GTIN: 00079458330717