Data Sheet for Product
CM2N4664E 
2020-01-22 
Smart Infrastructure 
4
664
OpenAir
TM
Air damper actuators 
GDB...2 
GLB...2 
Electronic motor-driven linear actuators for three-position and modulating control 
•  AC 24 V / AC 230 V 
•  Nominal force 125 N (GDB) / 250 N (GLB) 
•  Travel 60 mm, mechanical adjustable 
•  Connection cable PVC, 0.9 m 
Type-specific variations: 
•  Adjustable offset and span ( Positioning signal ) 
•  Position indicator 
•  Self-adaptation linear span 
•  2 adjustable auxiliary switches 
This data sheet provides a brief overview of these actuators. Please refer to the 
Technical Basics in document Z4664en for a detailed description as well as information 
on safety, engineering notes, mounting and commissioning. 
Remarks 






