Emerson Electric WE-8400 Variable Frequency Drive

Emerson WE-8400 Variable Frequency Drive is an industrial AC motor speed controller that adjusts motor speed by varying output frequency (and voltage). The WE-8400 line includes 10 HP and 15 HP configurations, indicating mid-size motor support within automated systems. Manufactured by Emerson Electric, the WE-8400/WE8400 designation identifies this specific drive within Emerson’s motor-control lineup for integration with standard automation hardware and PLC systems. As a dedicated VFD, it enables controlled starts and precise speed regulation to support stable torque and reliable performance in automation and process equipment. With 10 HP and 15 HP variants, the WE-8400 addresses mid-sized drive needs, offering a compact solution for variable-speed operation in manufacturing, packaging, or material-handling environments where motor speed control is essential.