Littelfuse LLSRK125 is a Class RK1 low-voltage fuse designed for circuit protection in industrial power distribution systems. It features a 600V AC rating with a 125A current capacity and 200kA interrupting rating at 600V for reliable short-circuit protection. The fuse has a compact cylindrical design with a 3.09" diameter and 1.41 lb weight, constructed with time-delay characteristics for motor circuit applications. It complies with UL/CSA standards as a Class RK1 fuse, providing rejection of lower-interrupting capacity fuses. Typical applications include motor branch circuits, transformers, and feeder protection in commercial and industrial electrical systems.
Key Features & Specifications
Type: Class RK1 time-delay fuse with rejection feature
Voltage Rating: 600V AC
Current Rating: 125A
Dimensions: 3.09" diameter
Standards: UL/CSA listed
Applications: Motor circuits, transformers, feeders
AIC rating: 200kA@600V
Class Rating: RK1
Barrels: 1
Weight: 1.41 lb
Product Identification
UPC: 07945835084
GTIN: 00079458350845
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Littelfuse LLSRK125 - Class RK1 Fuse 125A 600V (200kA AIC)