Littelfuse LLNRK500 - Low Voltage Fuse 500A (200kA AIC @250V)

Littelfuse LLNRK500 is a low-voltage current-limiting fuse designed for high-interrupting-capacity circuit protection in industrial electrical systems. This RK1-class fuse features a 500A current rating and 250V voltage rating with a 200kA interrupting capacity at rated voltage, housed in a durable single-barrel construction with a 0.81-inch diameter. The 3 lb fuse meets stringent industry standards for reliable overcurrent protection in demanding environments. Typical applications include motor control centers, switchgear, and industrial power distribution systems where high fault currents may occur.

Key Features & Specifications

• Type: LLNRK series current-limiting fuse (RK1 class)
• Voltage Rating: 250V AC
• Current Rating: 500A
• Dimensions: 0.81" diameter
• Standards: UL/CSA recognized
• Applications: Industrial power distribution, motor protection
• AIC rating: 200kA@250V
• Class Rating: RK1
• Barrels: 1
• Weight: 3 lb

Product Identification

• UPC: 079458330960