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- Siemens OpenAir Air Damper Actuator GDB..1E
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Siemens OpenAir Air Damper Actuator GDB..1E
Electromotive rotary actuator for 2-position, 3-position, and modulating control
- Nominal torque 5 Nm
- Operating voltage AC 24 V ~ / DC 24…48 V ⎓
- Mechanically adjustable span between 0. 90°
- Pre-wired with standard 0.9 m connection cables
- Type-specific variations with adjustable offset and span for the positioning signal
- Position indication: Mechanical and electrical
- Feedback potentiometer
- Self-adaption of the rotation angle range and adjustable auxiliary switches for supplemental functions
Application
- Rotary actuators are used in ventilation and air conditioning plants to regulate and shut off air dampers:
- For damper areas up to approximately 0.8 m2 (Reference value: Always comply with the damper manufacturer’s specifications).
- Suitable for use with 2-position and 3-position controllers as well as modulating control-lers (DC 0/2…10 V) to control air dampers.
- We recommend a minimum pulse length of 500 ms on rotary actuators operated with 3-point control to ensure continuous and accurate operation.












