Siemens SQN70.664B23 Actuator

Actuator SQN70.664B23 for air dampers and control valves on small- to medium-capacity oil and gas burners.

Application
The SQN7... actuators are designed to drive gas and air dampers on oil and gas burners with low to medium thermal output, for load-dependent control of the fuel and combustion air flow rates:

- in conjunction with P-PI or PID controllers, e.g., RWF40...
- directly via various automatic combustion control systems, e.g., LFL..., LME..., LMG..., LMO..., LOA...
- in conjunction with single-wire, 2-wire control, or 3-point controllers

Technical Data:
Type: SQN70.664B23
Mains voltage: AC 230 V -15%/+10%
Mains frequency: 50...60 Hz ±6%
Actuator motor: Synchronous motor
Power consumption: 6 VA
Direction of rotation: Counterclockwise
Holding torque: 1.3 Nm
Running time for 90°: 30 s
2 auxiliary switches
Shaft no. 3

Replacement for SQN30.401A2730.