SQN71 damper actuator
The Siemens SQN71 is an industrial damper actuator designed for precise air control in medium to large burner systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Damper Actuator / Air Damper Motor |
| Series | SQN71 |
| Application | Industrial Burner Systems |
| Control Type | 3-Position or Modulating (depending on sub-model) |
| Operating Voltage | 220–240 VAC (110V versions available depending on configuration) |
| Frequency | 50/60 Hz |
| Rotation Angle | Typically 90° (adjustable depending on configuration) |
| Torque Range | Approx. 10–20 Nm (varies by specific model) |
| Running Time | Approx. 4–30 seconds (depending on version) |
| Mounting | Direct shaft mounting |
| Fuel Type | Gas and Oil Burners |
| Housing | Industrial-grade construction |
| Condition | New / OEM |
Notes
Product Overview
The Siemens SQN71 is an industrial damper actuator designed for precise air control in medium to large burner systems.
It is part of the SQN70 series and provides reliable positioning of combustion air dampers in gas and oil-fired burner applications.
The SQN71 is commonly used in industrial boilers, furnaces, kilns, and thermal oil heaters where accurate air-fuel ratio regulation is essential for safe and efficient combustion.
Its robust construction and stable torque output make it suitable for demanding industrial environments.
This actuator is often integrated with burner management systems to support staged or modulating burner operation.
Key Features
- Designed for medium to large industrial burners
- Reliable air damper positioning control
- Suitable for gas-fired and oil-fired systems
- Available in multi-position and modulating configurations
- Adjustable rotation range (depending on configuration)
- High torque output for larger dampers
- Durable industrial housing
- Long operational life with minimal maintenance
Packaging & Delivery
- Individual protective industrial carton packaging
- Shock-absorbing internal protection
- Standard export packaging for global shipment
- Fast dispatch for stocked models
- Shipping via courier, air freight, or sea freight
- Bulk supply available for OEM and distributor customers
Frequently Asked Questions (FAQ)
Q: What is the Siemens SQN71 used for?
A: It is a damper actuator used to control combustion air flow in industrial gas and oil burner systems.
Q: Is SQN71 different from SQN70?
A: SQN71 is a specific model within the SQN70 series and may differ in torque, running time, or control configuration depending on the sub-model.
Q: Can SQN71 be used for modulating burners?
A: Yes. Many SQN71 versions support staged or modulating control.
Q: What fuel types is it compatible with?
A: It is suitable for both natural gas and oil-fired burner systems.
Q: Is this actuator suitable for industrial boilers?
A: Yes. It is widely used in industrial boilers, furnaces, and process heating equipment.
Q: Do you provide international shipping?
A: Yes. Worldwide shipping is available.
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