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The set point can be set in the field by an adjustable dial with an integrated scale
10 years of usage (starting from the production date given on the type field)
181A20 is an energy-efficient damper actuator designed for precise airflow regulation in HVAC systems
single-sided with
off or over on changes in actual pressure relative to the set switching point (reference value)
Siemens SQM40.244A21 Servo Motor | Actuator voltage_200v The set point can beThe SQM40. 244A21 is a robust damper actuator designed for large commercial dampers in HVAC systems. It features a 10mm servo shaft diameter and operates with a counterclockwise rotation. With a servo torque of 10 Nm and a run time of 30 seconds to 90 degrees, this actuator provides reliable performance. It operates at 230V AC and includes 4 auxiliary switches for advanced control options. The actuator is housed in a NEMA 4 enclosure, ensuring
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