Siemens SQM48.497B9 Burner Servo Damper Actuator

SQM48.497B9 servo motor actuator is the original Germany‑made drive unit designed to work with Siemens LMV5X combustion control system for industrial gas & oil burners. Main technical parameters:

• Model: SQM48.497B9 (S55451‑D301‑A100)
• Torque:20Nm
• Rotation time: >30s /90°
• Protection grade: IP54
• Power supply:2×12V~

This servo actuator precisely controls air and gas dampers to adjust the air‑fuel ratio, which guarantees stable burner running, reduces flame‑out risk for heating boilers and thermal industrial furnaces.

We keep stock of this burner servo motor, also supply related alternative models: SQM48.697B9, SQM45.291B9 for burner maintenance and new burner assembly.

✅Advantages for buyers:

1. Strict item inspection before shipment;
2. Small order acceptable, MOQ=1pc for after‑sales maintenance project;
3. We can arrange EXW Guangzhou delivery quickly for urgent spare‑parts orders;
4. Professional technical support for burner spare‑parts selection.

If you need quotation or check availability for these burner actuators, please send your inquiry to us.