The SQM40.265A21 is a model of Siemens Damper Actuator servo motor. This servo motor is specifically designed for applications involving dampers in HVAC (Heating, Ventilation, and Air Conditioning) systems.

Here are some key features of the SQM40.265A21 Siemens Damper Actuator servo motor:

1. Damper Control: The SQM40.265A21 servo motor is used to control the position of dampers in HVAC systems. It provides accurate and precise control over the opening and closing of dampers, allowing for efficient regulation of airflow.

2. Servo Motor Technology: This servo motor utilizes advanced servo motor technology, which provides high torque and responsiveness for precise damper positioning and control.

3. Voltage and Control Signals: The SQM40.265A21 typically operates on a specific voltage, such as 24 VAC or 230 VAC, depending on the application requirements. It receives control signals, such as 0-10V or 4-20mA, to adjust the damper position accordingly.

4. Robust Construction: Siemens servo motors are known for their robust construction and durability. They are designed to withstand the demands and conditions typically encountered in HVAC installations.

5. Easy Installation: The SQM40.265A21 servo motor is designed for easy installation and integration into existing HVAC systems. It may offer mounting options and interfaces that facilitate straightforward installation and connection.