Littelfuse LLSRK125ID - RK1 Class Fuse 125A (200kA@600V Interrupt Rating)

Littelfuse LLSRK125ID is a low-voltage current-limiting fuse designed for circuit protection in industrial power distribution systems. This RK1-class fuse features a 600V AC rating and 125A current capacity, with a 200kA interrupting rating at 600V for reliable short-circuit protection. The single-barrel design measures 1.84" in diameter and weighs 1 lb, constructed with time-delay characteristics for motor circuit applications. It complies with UL/CSA standards for branch circuit protection in demanding environments. Typical applications include industrial control panels, motor starter circuits, and electrical distribution equipment requiring high interrupting capacity.

Key Features & Specifications

• Type: LLSRK_ID time-delay current-limiting fuse
• Voltage Rating: 600V AC
• Current Rating: 125A
• Dimensions: 1.84" diameter
• Standards: UL/CSA listed
• Applications: Motor circuits, power distribution
• Class Rating: RK1
• Barrels: 1
• AIC rating: 200kA@600V
• Weight: 1 lb

Product Identification

• UPC: 079458060638
• GTIN: 00079458060638