Siemens-SQN72.4D5A20BT-Stellantrieb

Siemens SQN72.4D5A20BT actuator — precise control of burner air damper. Siemens SQN72.4D5A20BT is a professional reversible air damper actuator from the world leader in burner automation. It ensures stable and safe burner operation by precisely controlling the fuel-to-air ratio at any power level. Application: The SQN72.4D5A20BT actuator is adapted for Baltur burner devices and opens/closes the damper when regulating the supplied air volume during fuel-air mixture preparation. It is used for medium- and low-power burners operating on liquid fuel or gas. The actuator operates under the control of a burner manager or together with one-, two-wire control or a three-position regulator, depending on the load. Key technical specifications: Power supply: 220 V, 50/60 Hz. Torque: 2.5 Nm. Power consumption: 6 VA. Ingress protection: IP 54. Weight: 0.5 kg. Dimensions: 11.7 × 7.1 × 9.8 cm. Design advantages: The actuator is equipped with a shock-resistant, heat-resistant plastic housing that meets IP 54 dust and moisture protection standards. Position indication is provided. The SQN72 series are reversible actuators with clockwise or counterclockwise rotation, with built-in electronic modules, 2 end switches and 2–4 additional switches. The gear drive can be disengaged. Easy adjustment of all switch types and the presence of end switches make installation and commissioning quick even in an operating boiler room. Why choose Siemens SQN72.4D5A20BT: • German quality Siemens AG — a benchmark of reliability in burner automation • Precise fuel/air ratio maintenance — fuel savings and