Siemens
GMA Series
The OpenAir GMA Series Direct Coupled, Spring Return Electronic Damper Actuators provide modulating, two position and floating control of building HVAC dampers.
Siemens
GCA Series
Designed for control of building HVAC dampers, the OpenAir GCA Series Direct Coupled, Spring Return Electric Actuators are available in 0 to 10 Vdc or 2 to 10 Vdc modulating, floating and two-...
Siemens
GQD Series
The OpenAir GQD Series Direct Coupled, spring return electronic damper actuators are 24 Vac/dc and 120 Vac rated and available in 2-position, floating and 2 to 10 Vdc control.
