Siemens Actuator Servomotor SQN7 Series

The SQN7… is a reversible electromotoric actuators are designed for driving gas or air dampers of oil or gas burners of small to medium capacity, for load-dependent control of the fuel and combustion air volume:

In connection with P-PI or PID controllers, such as the RWF40…
Directly via the different types of burner controls, such as LFL…, LME…, LMO…, LOA…
In connection with 1- or 2-wire control or 3-position controllers

SQN70 Model	SQN71 Model	SQN74 Model	SQN75 Model
SQN70.224B20	SQN71.244B20	SQN74.254B21	SQN75.224A21
SQN70.244B20	SQN71.264B20	SQN74.294A21	SQN75.224A26
SQN70.254B20	SQN71.424B20		SQN75.224B21
SQN70.264B20	SQN71.444B20		SQN75.224B26
SQN70.294A20	SQN71.464B21		SQN75.244B21
SQN70.324B20	SQN71.624B23		SQN75.244B26
SQN70.424B20	SQN71.664B10		SQN75.494A21
SQN70.454B20	SQN71.664B20		SQN75.424B21
SQN70.464B20	SQN71.669B23		SQN75.524B26
SQN70.464B23	SQN71.694A20		SQN75.664A26
SQN70.624B20			SQN75.694A21
SQN70.664B20			SQN75.6K4A21
SQN70.664B23