Littelfuse LLSRK300ID - RK1 Time-Delay Fuse 300A (200kA@600V Interrupt Rating)

Littelfuse LLSRK300ID is a low-voltage RK1 time-delay fuse designed for circuit protection in industrial power distribution systems. It features a 600V AC rating with a 300A current capacity and 200kA interrupting rating at 600V for reliable short-circuit protection. The single-barrel construction measures 2.59 inches in diameter with a 2 lb weight, built with durable materials for harsh environments. This UL-recognized fuse meets industry standards for time-delay characteristics, allowing temporary overloads while providing fast response to fault conditions. Typical applications include motor control centers, transformers, and feeder circuits requiring high interrupting capacity.

Key Features & Specifications

• Type: RK1 time-delay fuse with single-barrel construction
• Voltage Rating: 600V AC
• Current Rating: 300A
• Dimensions: 2.59" diameter
• Standards: UL Recognized
• Applications: Industrial power distribution, motor protection
• Class Rating: RK1
• Barrels: 1
• AIC rating: 200kA@600V
• Weight: 2 lb

Product Identification

• UPC: 079458060690
• GTIN: 00079458060690