Littelfuse LLSRK-300 - Class RK1 Fuse 300A (300kA AIC @600V)

Littelfuse LLSRK-300 is a Class RK1 low-voltage current-limiting fuse from the Powr-Gard family, engineered to provide superior short-circuit protection in electrical distribution systems. It features a 600V AC voltage rating and a 300A current rating, capable of interrupting faults with a 300kA AIC rating at 600V AC. The fuse is constructed as a single-barrel unit with a 2.59-inch diameter and clip-style connections, weighing 15 lb for robust industrial handling. This fuse meets industry standards for RK1 classification, ensuring high interrupting capacity and current-limitation performance. Typical applications include service entrance equipment, switchboards, and industrial control panels where reliable overcurrent protection is critical.

Key Features & Specifications

• Type: Class RK1 current-limiting fuse, single barrel construction
• Voltage Rating: 600V AC
• Current Rating: 300A
• Dimensions: 2.59-inch diameter
• Standards: RK1 classification
• Applications: Electrical distribution systems, service entrance equipment, switchboards, industrial control panels
• AIC rating: 300kA@600V AC
• Connection: Clip
• Barrels: 1
• Class Rating: RK1
• Weight: 15 lb