Littelfuse LLSRK-100ID - Class RK1 Fuse 100A@600V (300kA AIC)

Littelfuse LLSRK-100ID is a Class RK1 low-voltage fuse from the Powr-Gard series, designed for high-interrupting circuit protection in industrial power distribution systems. It features a 600V AC rating with a 100A current capacity and 300kA interrupting rating at 600V AC, housed in a compact 1.31-inch diameter barrel with clip-style connections for secure mounting. Constructed with time-delay characteristics, this 15 lb fuse meets RK1 classification standards for reliable overload and short-circuit protection. Typical applications include motor control centers, switchgear, and industrial panelboards requiring durable fault current interruption.

Key Features & Specifications

• Type: Class RK1 time-delay fuse, single barrel construction
• Voltage Rating: 600V AC
• Current Rating: 100A
• Dimensions: 1.31" diameter
• Standards: UL/CSA recognized
• Applications: Industrial power distribution, motor protection, panelboards
• AIC rating: 300kA@600Vac
• Connection: Clip
• Barrels: 1
• Weight: 15 lb
• Class Rating: RK1