The Allen-Bradley PowerFlex 4 and 4M series are compact, cost-effective AC drives designed for simple motor control applications like pumps, fans, and conveyors. With power ratings up to 11 kW (15 HP) and support for 100-600V AC, they offer easy installation, user-friendly programming, and flexible communication options. The PowerFlex 4M enhances performance with sensorless vector control for better torque and speed regulation, while both models ensure efficient, reliable operation with a low cost of ownership.