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Basic actuator control
The pressure switch is activated at a lower pressure if mounted horizontally overhead:
ordinarily closed
523 A27 230V Gas Proving System Applications
Siemens SQM40.245A21 Servo Motor | Actuator series_skp75 Basic actuator controlThe SQM40. 245A21 is a reliable damper actuator designed for heavy duty HVAC applications. 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 accurate positioning. It operates at 230V AC and includes 1 auxiliary switch for enhanced control options. The actuator is housed in a durable NEMA 4 enclosure, ensuring durability
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