Littelfuse LLNRK100 - RK1 Class Fuse 100A@250V (200kA AIC)

Littelfuse LLNRK100 is a low-voltage current-limiting fuse designed for circuit protection in industrial electrical systems. This RK1-class fuse features a 250V AC rating with a 100A current capacity and 200kA interrupting rating at 250V for robust short-circuit protection. The single-barrel construction measures 1.06" in diameter with time-delay characteristics for motor circuit applications. UL/CSA certified, it meets industry standards for branch circuit protection in commercial and industrial power distribution. Typical applications include motor control centers, panelboards, and service entrance equipment where high fault current interruption is required.

Key Features & Specifications

• Type: LLNRK series time-delay current-limiting fuse
• Voltage: 250V AC
• Current: 100A
• Diameter: 1.06 inches (26.92mm)
• Class Rating: RK1
• AIC rating: 200kA at 250V
• Barrels: 1
• Standards: UL/CSA certified
• Applications: Motor circuits, panelboards, industrial power distribution

Product Identification

• UPC: 079458330823
• GTIN: 00079458330823