Littelfuse LLSRK250ID - RK1 Time-Delay Fuse 250A (200kA@600V Interrupt Rating)

Littelfuse LLSRK250ID is a low-voltage RK1 time-delay fuse designed for circuit protection in industrial power distribution systems. It features a 600V AC/DC voltage rating and 250A current capacity with a 200kA interrupting rating at 600V for reliable short-circuit protection. The fuse has a compact cylindrical design with a 2.59-inch diameter and 1-barrel construction, weighing 2 lb for durable performance. It meets industry standards for RK1 fuses with time-delay characteristics to withstand temporary overloads. Typical applications include motor branch circuits, transformers, and feeder protection in commercial and industrial electrical systems.

Key Features & Specifications

• Type: RK1 time-delay fuse with sand-filled construction
• Voltage Rating: 600V AC/DC
• Current Rating: 250A
• Dimensions: 2.59" diameter cylindrical body
• Standards: UL/CSA listed RK1 class
• Applications: Motor circuits, transformers, power distribution
• Class Rating: RK1
• AIC rating: 200kA@600V
• Barrels: 1
• Weight: 2 lb

Product Identification

• UPC: 079458060683
• GTIN: 00079458060683