Available. The ABB 3BHE014557R0006 is a control unit from the UNITROL® 1000 series, designed to provide precise voltage regulation for synchronous generators and motors ranging from 100 kVA to 80 MVA. This Automatic Voltage Regulator (AVR) ensures stable and efficient operation, even during rapid load changes or in harsh environments. It integrates seamlessly with automation and electrical systems, offering features such as synchronization and remote data monitoring (RDM). The UNITROL® 1000 series is widely used across power plants, marine vessels, rail systems, and critical backup power applications, with over 40,000 installations worldwide. Its robust mechanical design and comprehensive protection features ensure reliable performance in demanding conditions.