Siemens GGD121.1U OpenAir GGD Electric Damper Actuator, Rotary, Spring Return [New]

Siemens GGD121.1U OpenAir GGD Series Electric Damper Actuator, Rotary, Spring Return, 142 lb-in (16 Nm), 24 Vac, 2-position control, 15 sec run time, Fire/Smoke. Siemens. Siemens. GGD121.1U.