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Siemens sqn90.240b2793 Actuator - Gas Burner Safety

Siemens sqn90.240b2793 Actuator for gas burner safety shut-off.

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ManufacturerSiemens

Part numberSQN90.240B2793

Voltage 24V AC

Frequency 50/60 Hz

Torque 2 Nm

Rotation Angle 90°

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Electromechanical Actuator 24V AC Operation 2 Nm Torque 90° Rotation Safety Shut-off Valve Control Gas Burner Applications

Product description

The Siemens sqn90.240b2793 is an electromechanical actuator designed for safety shut-off valve control in gas burner systems. It operates on a 24V AC supply (50/60 Hz) and provides 2 Nm of torque, with a 90° rotation, typically for quick-acting gas valve closure. This actuator is a critical component for ensuring the safe operation of gas appliances.

Its primary application is in safety shut-off systems for gas burners, ensuring that the gas supply is rapidly interrupted in case of flame failure or other critical conditions. This is vital for industrial, commercial, and residential heating systems where gas safety is a top priority.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens sqn90.240b2793. We are dedicated to providing reliable and accessible surplus automation components to help maintain the integrity and functionality of your critical systems.

Technical specifications

Voltage	24V AC
Frequency	50/60 Hz
Torque	2 Nm
Rotation Angle	90°
Type	Electromechanical Actuator
Function	Safety Shut-off Valve Control

Common applications

Gas Burner Safety

Safety Shut-off Valves

Industrial Gas Systems

Commercial Heating

Residential Boilers

Flame Failure Control

Compatible systems

Siemens Burner Control Systems Safety control circuits

Also known as

Siemens Safety Actuator SQN90 Series Actuator 24V AC Gas Valve Actuator Siemens Burner Safety Valve Actuator

Replaces / compatible with

This actuator is designed for specific Siemens safety shut-off valve applications. Verify part number and specifications for direct replacement compatibility.

Technical note

Expert tip

Proper integration with the burner control sequence is critical for the effective and safe operation of the safety shut-off valve controlled by this actuator.

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Frequently asked questions

What is the main role of the Siemens sqn90.240b2793 actuator in a gas burner system?

The Siemens sqn90.240b2793 actuator is primarily used for controlling safety shut-off valves in gas burner systems. Its rapid closure action ensures the gas supply is immediately stopped in critical situations, enhancing overall system safety.