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This version allows changes up to the 'Heating Engineer' level of restriction to be made
335A27 controls gas
slow opening
155R11 is a reliable spring return damper actuator designed for HVAC systems requiring fail-safe operation
341A2G3 - Actuator
Siemens SQM40.165A20 Servo Motor | Actuator model_skp15_000e1 This version allows changes upThe SQM40. 165A20 is a high torque damper actuator designed for heavy duty dampers in HVAC and industrial systems. It features a 10mm servo shaft diameter and operates with a counterclockwise rotation. With a servo torque of 5 Nm and a run time of 15 seconds to 90 degrees, this actuator provides reliable performance. It operates at 230V AC and includes 1 auxiliary switch for enhanced control options. The actuator is housed in a NEMA 4 enclosure,