Siemens GMA163.1U, OpenAir GMA Series Electric Damper Actuator, rotary, spring return, 62 lb-in (7 Nm), 24 Vac/dc, 0 to 10 Vdc control, 90 sec run time, position feedback, adjustable span and offset
$477.28 Original price was: $477.28.$139.93Current price is: $139.93.