Product Detail: SQM40.261A21
The Siemens SQM40.261A21 is a heavy-duty **Servo Motor Actuator** used to drive air dampers and gas/oil valves on industrial burners. It ensures the precise air-to-fuel ratio required for efficient combustion.
Specifications
- Torque: 10 Nm.
- Running Time: 30s for 90°.
- Voltage: 230 V AC.
- Direction: Reversible.
Design
The actuator features a die-cast aluminum housing and impact-proof plastic cover. Inside, it houses cam switches that are adjustable via a dedicated tool, allowing the technician to set the high-fire, low-fire, and ignition positions accurately.
Compatibility
Designed for use with LAL, LOK, LFL, and LME burner controls. A failed **SQM40.261A21** can cause poor combustion or boiler lockout. Replacing it restores optimal efficiency.
