KC22-4/0 is a crimping die designed for color-coded copper and aluminum lugs and splices in 4/0 AWG applications. This die is part of the 22 Series and is compatible with 6-ton crimping tools including the EK628L, ECCXL, and EK622L models, with a UA22 adapter required for use with ECCXL, HCCX, and RCCX tools. The die features a purple color coding for easy identification and is manufactured from copper material, meeting C/US UL listing standards for safety and reliability. This crimping die is essential for electrical professionals requiring consistent, high-quality crimped connections on large-gauge copper conductors and aluminum splices in industrial and commercial applications.