Siemens SQN 31.401A2700 Servomotor
Enhance burner efficiency and reduce emissions with precise air-fuel ratio management.
The Siemens SQN 31.401A2700 Servomotor enhances burner efficiency and reduces emissions through precise air-fuel ratio management. In addition, it rotates the burner air damper 90 degrees in 30 seconds with 3 Nm torque, ensuring accurate actuation. Consequently, it optimizes combustion in small and medium-sized burners.
This servomotor operates on AC 220-240 V / 50 Hz and is fully compatible with LFL, LME, and LMO control units. Its IP40 protection class resists dust and splashes. Moreover, the metal and aluminum die-cast housing provides superior resistance to thermal and mechanical stresses, ensuring reliable operation in harsh industrial environments.
Siemens SQN 31.401A2700 Servomotor — Technical Specifications
It is particularly preferred for air damper control in industrial gas and oil burners. Furthermore, it plays an active role in combustion management for combi boilers, heating systems, and textile factories. In addition, it is ideal for temperature regulation in greenhouse and agricultural applications.
Key Advantages
- Precise air control increases burner efficiency and reduces emissions.
- Easily adjustable limit and auxiliary switches shorten installation time.
- Heat-resistant housing structure ensures safe operation in high-temperature environments.
Applications
- Air damper control systems for industrial gas and oil burners.
- Combustion management automation in combi boilers and heating installations.
- Thermal control applications in textile, chemical, and food factories.
In conclusion, the Siemens SQN 31.401A2700 Servomotor is a reliable choice for professionals seeking maximum efficiency in burner control systems. ORFA Industrial, an authorized distributor since 1985, supplies this product worldwide from stock and provides technical support. Contact us for detailed information and orders.
ORFA INDUSTRIAL PRODUCTS INDUSTRY AND TRADE INC.
Your Reliable Partner in Industrial Flow Technologies


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