Description
Siemens SQM40.255R11 Combustion Actuator Overview
The Siemens Combustion SQM40.255R11 is a precision-engineered combustion actuator designed for demanding burner management and fuel/air ratio control applications. Featuring counter-clockwise (CCW) rotation, a 4–20 mA control input, and a 135-ohm feedback potentiometer, this actuator delivers reliable, repeatable positioning performance in commercial and industrial combustion systems.
Key Features
- Counter-clockwise (CCW) rotational direction for proper burner linkage alignment
- 4–20 mA analog control signal input for precise, continuous positioning
- 135-ohm feedback potentiometer for accurate position reporting to the control system
- Engineered for fuel/air ratio control on commercial and industrial burners
- Part of the Siemens SQM40 series — a trusted platform in combustion management
- Robust construction suitable for continuous-duty combustion environments
- Compatible with Siemens burner management and combustion control systems
Application
The SQM40.255R11 is ideal for use on gas, oil, and combination burners in boilers, furnaces, and process heating equipment. It integrates seamlessly with Siemens combustion controllers and other systems accepting 4–20 mA command signals, making it a versatile choice for OEM and replacement installations.
Why Choose Siemens SQM40 Series Actuators
Siemens SQM40 series actuators are renowned in the combustion industry for their accuracy, durability, and ease of integration. The 4–20 mA interface ensures compatibility with a wide range of building automation and burner management controllers, while the 135-ohm feedback potentiometer provides closed-loop position verification for safe and efficient burner operation.
Specifications
- SKU: SQM40.255R11
- Brand: Siemens Combustion
- Rotation Direction: Counter-Clockwise (CCW)
- Control Signal: 4–20 mA
- Feedback: 135 Ohm potentiometer
- Series: SQM40
- Application: Combustion / Burner Actuator
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