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Siemens Combustion SQM40.155R11 Actuator 120V 5 Nm 15 Sec CCW Rotation

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Special Price $787.78 Regular Price $874.43
In stock
SKU
SQM40.155R11
The Siemens Combustion SQM40.155R11 Actuator is designed to provide accurate control of the HVAC burner systems with smooth, durable 120V control. It turns counterclockwise in 15 seconds to change the fuel-air mixture. This 5Nm torque actuator controls dampers and valves according to the signals and improves combustion quality. It is widely applied in commercial boilers and burners, which require accurate positioning for better performance. The features of its design and control enhance energy efficiency, decrease emissions, and prolong the system’s life.
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Specifications

  • Type: Actuator
  • Voltage: 120V
  • Torque: 5NM
  • Rotation: 15-second CCW
Manufacturer Name: Siemens Combustion
Product Number: SQM40.155R11
OEM Part Number: SQM40.155R11
Product Description: 120V 5Nm 15Sec Ccw Actuator
Weight:4.21lbs/1909.62g

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Product Questions (2)
Customer Questions
What maintenance is required for the Siemens SQM40.155R11 Actuator?

Regularly inspect the actuator for dust, dirt, or mechanical obstructions. Ensure electrical connections are secure and free from corrosion. Lubricate moving parts if recommended by the manufacturer.

What are common issues with the Siemens SQM40.155R11 Actuator?

  • Inconsistent or delayed movement.
  • Failure to reach full rotation.
  • Electrical connection faults.
  • Mechanical binding or noise during operation.

Installation Steps

Step 1: Turn off all electrical power to the system.

Step 2: Mount the actuator onto the damper shaft, ensuring correct alignment and secure coupling.

Step 3: Wire the supply according to the wiring diagram and tighten all terminals properly.

Step 4: Set rotation and verify timing configuration as required.

Step 5: Restore power, test operation carefully, and ensure safe, smooth actuator movement.