The Schneider Altistart 22 ATS22C21S6U is a soft starter designed for controlling three-phase asynchronous motors. This unit is part of the Altistart 22 series, engineered to provide smooth acceleration and deceleration for motor loads, reducing mechanical stress and electrical inrush current. It is suitable for applications requiring precise motor control and extended equipment lifespan.

Technical details

• Series: Altistart 22
• Model Number: ATS22C21S6U
• Rated Motor Power (at 400V): 11 kW
• Rated Motor Power (at 400V): 15 HP
• Rated Operational Current: 21 A
• Supply Voltage: 200-400 V AC, 50/60 Hz
• Control Voltage: 24 V AC
• Starting Method: Soft start
• Stopping Method: Soft stop
• Integrated Bypass: Yes
• Protection Functions: Motor overload, short circuit, phase loss, overvoltage, undervoltage
• Communication Interface: Modbus RTU (optional via accessory)
• Enclosure Type: IP20

Applications & compatibility

This soft starter is commonly employed in applications such as conveyor systems, pumps, fans, and compressors where smooth motor startup is critical. It is compatible with standard three-phase asynchronous motors and can be integrated into various control panels and automation systems. The ATS22C21S6U is designed to enhance the reliability and efficiency of motor-driven equipment in manufacturing, material handling, and building automation environments.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the Schneider Altistart 22 ATS22C21S6U or contact our technical team for cross-reference assistance with compatible Altistart components.