Siemens GQD221.1U/B Damper Acutator, Spring Return Rotary, 20 lb-in (2 Nm), 120 Vac, 2-position Control, 30 sec, Bulk 10

Siemens GQD221.1U/B Damper Acutator, Spring Return Rotary, 20 lb-in (2 Nm), 120 Vac, 2-position Control, 30 sec, Bulk 10. Siemens OpenAir GQD Series Damper Actuators were designed for small HVAC dampers, residential zone dampers, and economizer units that require fail-safe operation. They are spring return with 20 lb-in of torque.