SQN70224B20

Product Description

It provides precise positioning of the air damper or gas butterfly valve, ensuring optimal combustion efficiency. With a running time of 20 seconds for a 90° rotation, this actuator delivers reliable and repeatable performance in demanding industrial environments. This actuator operates with a supply voltage of AC 230 V and features a torque of 10 Nm, making it suitable for medium-sized burners. The SQN70 series is known for its durability and long service life, with a mechanical endurance of over 250,000 full-stroke cycles. The actuator is equipped with a self-locking gear train that prevents drift when power is removed, ensuring safe operation. The SQN70.224B20 includes a 90° angle of rotation and is designed for use with Siemens burner control systems. It can be easily integrated into existing setups, offering a cost-effective solution for burner retrofits and replacements. The actuator is CE-certified and complies with European standards for safety and electromagnetic compatibility. The Siemens SQN70.224B20 is a robust electromechanical actuator designed for use in gas burners and heating systems.

Basic Product Information

• Supply voltage AC 230 V
• Angle of rotation 90°
• Self-locking gear train
• Long mechanical endurance (250,000 cycles)
• Running time 20 s for 90° rotation

Technical Specifications

Version & Model Difference

The SQN70 series includes various models with different running times (e.g., 10s, 20s, 30s) and torques (e.g., 5 Nm, 10 Nm, 15 Nm). The SQN70.224B20 specifically has a 20s running time and 10 Nm torque. Other versions like SQN70.294B20 may have a 30s running time. The 'B20' suffix indicates the specific configuration of auxiliary switches and feedback potentiometer.

Application Scenarios