Siemens Actuator Servomotor SQN72 / SQN73 Series
The SQN72/SQN73.. is an electromotoric actuators are designed for for positioning and driving air/gas dampers of oil burners, gas burners, and other ancillary equipment of small and medium heat capacity. They also offer load-dependent control of the amount of fuel and combustion air.
The controlling elements are controlled as follows depending on the current burner load:
- In connection with P-PI or PID controllers, such as the RWF5
- Directly via the different types of burner controls, such as LOA, LMO, LME, or LFL
- In connection with 1- or 2-wire control or 3-position controllers
| SQN72 Model | SQN73 Model |
| SQN72.2A4A20 | SQN73.4B4A20 |
| SQN72.2C4A20 | |
| SQN72.4A4A20 | |
| SQN72.6C4A20 | |
| SQN72.6C4A21 |
* * For other spare parts enquiries, please consult JATI
