USED | ABB UNITROL 1000 VOLTAGE REGULATOR 3BHE014557R0003 The ABB UNITROL 1000 Voltage Regulator 3BHE014557R0003 is a high-quality industrial automation component designed for controlling and regulating voltage levels in various applications. Made by the reputable brand ABB, this voltage regulator is manufactured in India and features a reliable design suitable for use in PLC processors and industrial automation systems. With the UNITROL 1000 model, this regulator provides precise voltage control and stability, making it an essential component for ensuring reliable and efficient operation in industrial settings.