The Delta Electronics VFD2A8MS21ANSAA is a 0.4 kW (0.5 HP) MS300 Series single-phase 200–230 VAC variable frequency drive designed to convert input power into controlled motor speed and torque for light- to moderate-duty equipment. It provides an output current of 2.8 A (heavy duty) or 3.2 A (normal duty) and an output frequency range of 0–599 Hz, enabling precise speed regulation for conveyors, pumps, fans, HVAC systems, mixers, packaging equipment, and light manufacturing systems. This VFD supports induction and permanent magnet motors, includes RS-485 and USB communications, and carries IP20 protection for typical indoor installations. Built-in functions include PLC capability, brake chopper, and STO safety, aiding integration and safety without external accessories. The unit is intended for panel or chassis mounting and operates from -20°C to 60°C, suitable for industrial and commercial automation environments. For compatibility and replacement options, Delta offers VFD004M21A, VFD4A8MS21ANSAA, and VFD007M21A as common alternatives within the Delta MS300 line.
