Siemens servomotor SQN30.402A2700

Type: SQN30.402A2700

Stock: Subject to availability

Price: Available on request


Electromotoric actuators for air dampers or for fuel / air ratio control with oil or gas burners of small to medium capacity.


The actuators are used primarily for controlling the amount of combustion air:

– Load-dependent in connection with P-PI or PID controllers, such as the RWF40...

– Directly with the help of the different types of burner controls, such as the LOA..., LMO..., LMG... or LFL...


Mains voltage: AC 220 V -15 %...AC 240 V +10 %

Mains frequency: 50...60 Hz ±6 %

Type of motor: synchronous motor

Power consumption: 6.5 VA

Angular position: max. 160°

Mounting position: optional

Degree of protection: IP 40 to DIN 40050, provided adequate cable entries and screws are used

Cable entry: suited for 1 x Pg9 and 1 x Pg11, no locknut required

Cable connections: screw terminals for wires having a cross-sectional area of 0.5 to 2.5 mm²

Ferrules: matching the dia. of the standard wire

Direction of rotation: refer to «Type summary» in data sheet

Torques and holding torques: refer to «Type summary» in data sheet

Running times: 4.5...120 s for 90°

Coupling: drive shaft / geartrain by means of a pin

Weight (on average): approx. 800 g

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