Littelfuse LLSRK-150ID - Class RK1 Fuse 150A (300kA@600V AC Interrupt Rating)

Littelfuse LLSRK-150ID is a Class RK1 low-voltage fuse from the Powr-Gard family, designed for high-interrupting circuit protection in industrial electrical systems. It features a 600V AC voltage rating and 150A current rating, with a 300kA interrupting capacity at 600V AC for reliable fault protection. The fuse has a compact cylindrical design with a 1.84-inch diameter and clip-style connections, constructed as a single-barrel unit weighing 15 lb. It meets industry standards for RK1 fuses, providing time-delay characteristics and rejection features to prevent incorrect fuse installation. Typical applications include motor control centers, switchgear, and industrial power distribution systems requiring high-performance protection.

Key Features & Specifications

• Type: Class RK1 time-delay fuse with rejection feature
• Voltage Rating: 600V AC
• Current Rating: 150A
• Dimensions: 1.84" diameter
• Standards: UL/CSA listed RK1 class
• Applications: Industrial power distribution, motor protection, switchgear
• AIC rating: 300kA@600V AC
• Connection: Clip-style terminals
• Barrels: 1
• Weight: 15 lb
• Class Rating: RK1