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523A17 will inhibit burner startup and initiate lockout
off or over on changes in actual pressure value relative to the set reference value
¯»¿Pilot gas G ¾: 2
The Siemens VGD 20 323U is designed as a double gas valve to be integrated into gas trains
622 240V Dimensions
Siemens SQN72.2A4B20 Damper Actuator model_skp15_001e2 523A17 will inhibit burner startupThe SQN72. 2A4B20 is an electromotoric actuator for air dampers and control valves of oil or gas burners of small to medium capacity. Features Include: Impact proof and heat resistant plastic housings Plug terminals for the electrical connections Maintenance free gear train (can be disengaged) Internal position indication Easy to adjust end and auxiliary switches for setting the switching points Integrated electronic circuits Holding Torque: 0. 7Nm
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