Littelfuse LLNRK200 - RK1 Fuse 200A (200kA@250V Interrupt Rating)

Littelfuse LLNRK200 is a low-voltage RK1-class fuse designed for high-current circuit protection in industrial applications. It features a 250V AC voltage rating and 200A current rating with a 200kA interrupting capacity at rated voltage, housed in a compact 1.59-inch diameter single-barrel construction. The fuse meets RK1 classification standards for time-delay operation and features a durable ceramic body with sand-filled arc quenching technology for reliable performance in demanding environments. It complies with UL/CSA standards for branch circuit protection and is commonly used in motor control centers, industrial panels, and power distribution systems requiring high fault current interruption.

Key Features & Specifications

• Type: RK1 time-delay fuse with ceramic body and sand filling
• Voltage Rating: 250V AC
• Current Rating: 200A
• Dimensions: 1.59" diameter
• Standards: UL/CSA listed
• Applications: Industrial power distribution, motor protection
• Class Rating: RK1
• Barrels: 1
• AIC rating: 200kA@250V
• Weight: 1 lb

Product Identification

• UPC: 079458330885