Industrial MH5400B Variable Frequency Drive System

Industrial MH5400B is Lenze AC Tech MCH Series 40 HP variable-frequency drive designed for 3-phase power with a 480–590 VAC input, enabling precise motor speed control for HVAC equipment and other industrial loads. The unit is housed in a NEMA 1 vented enclosure for indoor installation, and it offers Modbus RTU serial communications; many installations pair it with a line reactor to improve power quality and protect the drive in challenging electrical environments. As part of AC Tech’s MCH Series, the MH5400B is designed for HVAC-focused variable-torque applications, commonly used to drive fans and pumps, with a compact footprint and standard drive features described in AC Tech literature.