Home › Manufacturers › Siemens › SQN72.2A4A20

Siemens

Siemens SQN72.2A4A20 Actuator - Boiler Control

Siemens SQN72.2A4A20 Actuator for boiler control.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

In Stock — Ready to Ship

ManufacturerSiemens

Part numberSQN72.2A4A20

Voltage 120V AC

Frequency 50/60 Hz

Torque 7.5 Nm

Rotation Angle 90°

Get a price for SQN72.2A4A20

Response within 1 business hour

🛡

12-month warranty

All units tested

⚡

Same-day dispatch

Order by 2pm CST

🌐

Worldwide delivery

US, EU, Asia, Middle East

🎖

Veteran-owned

CAGE: 9NK75

Electromechanical Actuator For Boiler Applications 120V AC Operation 7.5 Nm Torque 90° Rotation IP40 Rated

Product description

The Siemens SQN72.2A4A20 is an electromechanical actuator designed for regulating air dampers and gas valves in boiler systems. It operates on a 120V AC supply at 50/60 Hz, providing a torque of 7.5 Nm and a rotation angle of 90°. This unit is built for reliable, continuous operation in demanding environments.

Commonly found in commercial and industrial boilers, this actuator plays a critical role in managing fuel combustion by controlling airflow and gas supply. Its applications extend to various heating and process control systems where precise damper or valve positioning is essential for efficiency and safety.

Stanlo Automation, a trusted veteran-owned surplus distributor, offers the Siemens SQN72.2A4A20. We specialize in providing high-quality, cost-effective surplus automation parts to keep your operations running smoothly.

Technical specifications

Voltage	120V AC
Frequency	50/60 Hz
Torque	7.5 Nm
Rotation Angle	90°
Type	Electromechanical Actuator
Protection	IP40

Common applications

Boiler Control Systems

Air Damper Control

Gas Valve Actuation

Industrial Heating

Commercial Boilers

Combustion Control

Compatible systems

Siemens Burner Control Systems LMV series controllers

Also known as

Siemens Boiler Actuator SQN72 Series Actuator Air Damper Actuator Gas Valve Actuator 120V

Replaces / compatible with

Replaces older Siemens actuators in SQN72 series applications. Verify specifications for direct replacement.

Technical note

Expert tip

This actuator is suitable for applications requiring 90-degree rotation for air dampers or gas valves, typically driven by Siemens burner control units.

What happens next?

Email confirmation

Immediate receipt acknowledgment sent to you

Account manager assigned

Confirms your part's spec and condition

Your quote delivered

Tailored to your specific requirements

Frequently asked questions

What torque and voltage does the Siemens SQN72.2A4A20 actuator provide?

The Siemens SQN72.2A4A20 actuator provides a torque of 7.5 Nm and operates on a 120V AC power supply at either 50 or 60 Hz. It is designed for precise positioning of air dampers or gas valves.