PowerFlex 4m is the smallest and most cost-effective inverter drive from the Allen Bradley PowerFlex series. It features powerful motor speed control and is compact and space saving. Ideal for machine level speed control, the PowerFlex 4M inverter drive will provide the application versatility to meet the demands of global OEMs and end users who require space saving and easy-to-use AC drives that provide flexibility, feed-through wiring and ease-of-programming.