The ‌ABB 3BHB004661R0001 KUC711AE‌ is a high-performance medium-voltage rectifier unit designed for industrial drive systems, particularly within the ACS6000 multi-drive platform. This 12-pulse thyristor-based converter delivers 3.3kV AC input with ±1% voltage regulation, providing stable DC bus power for synchronous motor drives up to 25MW. The ‌3BHB004661R0001 KUC711AE‌ features adaptive gate firing technology that maintains <3% current imbalance across parallel modules, crucial for metal rolling mill applications requiring torque consistency within ±0.5%.