SIEMENS SQN71.664B20 Servomotor
Achieve millimeter-accurate damper positioning for optimal combustion efficiency.
SIEMENS SQN71.664B20 Servomotor controls damper position with millimeter accuracy in burner systems, therefore optimizing combustion efficiency. In addition, it delivers 2.5 Nm nominal torque and a 90-degree rotation angle in 30 seconds. Consequently, it optimizes the air/fuel ratio, particularly in industrial furnaces and boiler rooms. Furthermore, operating at 220 V AC, it integrates easily into existing control panels.
This unit features IP40 protection, making it resistant to dust and water splashes. Moreover, it provides reliable performance within an operating temperature range of -20°C to +60°C. As a result, the 3-wire cable connection enables fast and simple installation. In addition, the 30-second/90-degree rotation speed responds instantly to dynamic processes. Therefore, it contributes to uninterrupted operation by reducing system downtime.
SIEMENS SQN71.664B20 Servomotor — Technical Specifications
This servomotor is widely used for damper control in gas and liquid fuel burners. In particular, it optimizes the air/fuel ratio in industrial furnaces and boiler rooms. Furthermore, it offers an ideal solution for air duct dampers in HVAC systems. In addition, it is preferred in power plants and process heating lines. Consequently, it ensures efficiency and safety across various industrial applications.
Key Advantages
- Precise position feedback increases combustion efficiency
- Standard 220 V AC supply enables fast and easy integration
- IP40 protection class offers long service life in industrial environments
Applications
- Gas and liquid fuel burner damper control systems
- Industrial furnace and boiler room automation
- Air duct damper position adjustment in HVAC systems
In conclusion, SIEMENS SQN71.664B20 Servomotor ensures efficiency and safety in burner systems. ORFA Industrial has supplied industrial solutions since 1985, and ORFA supplies worldwide and provides technical support. Contact us for technical support and fast delivery.
ORFA INDUSTRIAL PRODUCTS INDUSTRY AND TRADE INC.
Your Reliable Partner in Industrial Flow Technologies

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