Siemens GMA156.1U Spring Return Damper Acutator, 62 lb-in (7 Nm), 24 Vac/dc, 2-10 Vdc Control, 90 sec Run, Feedback, Signal Inversion, Inverse Acting, 2-Aux

Siemens GMA156.1U Spring Return Damper Acutator, 62 lb-in (7 Nm), 24 Vac/dc, 2-10 Vdc Control, 90 sec Run, Feedback, Signal Inversion, Inverse Acting, 2-Aux. Siemens OpenAir GMA Series Spring Return Damper Actuator for light to medium-sized HVAC dampers requiring 62 lb-in of torque. For applications requiring the damper to move to a pre-set, fail-safe position in case of power failure.