SQN31 series compact damper actuator - View 1
Siemensactuator

SQN31 series compact damper actuator

The Siemens SQN31 is a compact damper actuator designed for industrial and commercial burner applications.

Technical Specifications

ParameterSpecification
Product TypeDamper Actuator / Air Damper Motor
SeriesSQN31
ApplicationIndustrial and Commercial Burner Systems
Control TypeOn/Off or Modulating (depending on version)
Operating Voltage220–240 VAC (common versions available in 110V)
Frequency50/60 Hz
Rotation AngleTypically 90°
Torque RangeApprox. 3 Nm (varies by sub-model)
Running TimeApprox. 4–30 seconds (depending on version)
MountingDirect shaft mounting
Fuel TypeGas or Oil Burners
Protection ClassIndustrial design
ConditionNew / OEM

Notes

Product Overview

The Siemens SQN31 is a compact damper actuator designed for industrial and commercial burner applications.
It is commonly used to control the air damper position in gas and oil-fired burner systems, ensuring accurate air-fuel ratio regulation during burner startup and operation.

The SQN31 series is widely installed in small to medium-sized burners, boilers, and heating systems.
Its compact design, reliable torque output, and stable positioning performance make it a preferred choice in combustion control systems.

This actuator is typically used in single-stage or two-stage burner systems and is compatible with various burner management controllers.


Key Features

  • Compact actuator design for burner applications
  • Reliable air damper positioning control
  • Suitable for gas and oil burner systems
  • Available in multiple voltage and control configurations
  • Stable torque output for small to medium burners
  • Long service life with low maintenance requirements
  • Easy installation with direct shaft mounting

Packaging & Delivery

  • Individual protective industrial carton packaging
  • Shock-resistant internal protection
  • Standard export packaging for international shipment
  • Fast dispatch for stocked models
  • Shipping via courier, air freight, or sea freight
  • Bulk supply available for distributors and OEM customers

Frequently Asked Questions (FAQ)

Q: What is the Siemens SQN31 used for?
A: It is a damper actuator used to control air flow in gas and oil burner systems.

Q: Is SQN31 suitable for industrial burners?
A: Yes. It is commonly used in small to medium industrial and commercial burners.

Q: What fuel types can it be used with?
A: It is suitable for both gas-fired and oil-fired burner systems.

Q: What is the typical torque of SQN31?
A: The typical torque is approximately 3 Nm, depending on the specific sub-model.

Q: Is SQN31 a modulating actuator?
A: Some versions are on/off type, while others support modulating control depending on system configuration.

Q: Do you support international shipping?
A: Yes. Worldwide shipping is available.

Related Products

RWF55 Load Controller
Siemens

RWF55 Load Controller

RWF55 advanced universal controller for heating applications.

RWF50 Load Controller
Siemens

RWF50 Load Controller

RWF50 digital load controller for temperature and pressure.

AGG5.220 flame detector
Siemens

AGG5.220 flame detector