AC Tech MHB430B MC Series Intelligent Drive System

The AC Tech MC Series Intelligent Drive System MHB430B is a 3 HP (2.2 kW) variable frequency drive designed to provide precise motor speed control for AC motors in commercial and light industrial equipment. It accepts 400–480 VAC three‑phase input and offers keypad‑programmable, microprocessor‑based control with Modbus RTU communication for easy integration with PLCs and automation networks. In the MC Series architecture, the drive comprises a dedicated control board, power board, and an output intelligent power module housed in a NEMA 1 enclosure for indoor use. Common applications include HVAC systems—driving fans and pumps—and other general drive tasks in industrial environments where reliable variable speed operation is required. This model’s 2.2 kW rating makes it suitable for moderate‑load machinery, delivering stable startup and smooth speed control while maintaining straightforward setup and parameter programming through the keypad.