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For the supervision of air pressures or air flows of oil or gas-fired equipment (burners
1 MOD 40-34 Application: forced and induced draught gas burners
Pressure Test Points (Optional)
122 A27 240V controls gas
under normal operating conditions in heating mode
Siemens SQM41.285R11 Servo Motor | Actuator Ignition For the supervision of airThe SQM41. 285R11 is a spring return damper actuator designed for emergency damper closure in HVAC and industrial systems. It features a 10mm servo shaft diameter and operates with a clockwise rotation. With a servo torque of 10 Nm and a run time of 30 seconds to 90 degrees, this actuator ensures reliable performance. It operates at 120V AC and includes 1 auxiliary switch for enhanced control options. The actuator is housed in a durable NEMA 4