Data Sheet for Product
Table Of Contents
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Siemens  Air damper actuators GMA...1, rotary version with spring return  CM2N4614en 
Smart Infrastructure    2021-09-08 
Safety 
Caution 
National safety regulations 
Failure to comply with national safety regulations may result in personal injury and  
property damage. 
•  Observe national provisions and comply with the appropriate safety regulations. 
•  Use only properly trained technicians for mounting, commissioning, and servicing. 
Technical data 
Operating voltage 
AC / Frequency 
Operating voltage (DC)
Power consumption 
  GMA1..1:     Running 
GMA12..1, 13..1:  Holding 
GMA16..1,:   Holding 
AC 24 V 
± 20 % / 50/60 Hz 
DC 24…48 V 
±20 %  
AC: 5 VA / 3.5 W // DC: 3.5 W
AC/DC: 2 W 
AC/DC: 2.5 W 
Operating v
oltage / Frequency 
Power consumption 
  GMA32..1:  Running  
    Holding 
AC 230 V 
± 10 % / 50/ 60 Hz  
7 VA / 4.5 W 
3.5 W 
Nominal torque
Maximum torque (blocked)
Nominal rotary angle / Max. rotary angle
Runtime for rot
ary angle 90° (motor operation) 
Closing time with return spring (on power failure) 
7 Nm
21 Nm
90° / 95° 
± 2° 
90 s
15 s 
Switching current (at AC 24 V / DC 24…48 V) 
for "Open"/"Close" (cores 6,7) 
normally 8 mA 
Input voltage Y (wires 8
-2) 
  Max. permissible input voltage 
DC 0...10 V / DC 2...10 V
DC 35 V 
Input voltage Y (wires 8
-2) 
Non-adjustable characteristic function 
Adjustable characteristic function 
Offset Uo 
Span ∆U 
DC 0...35 V
DC 0...10 V / DC 2...10 V
DC 0...5 V 
DC 2...30 V 
Output voltage U (cores 9
-2) 
  Max. output current 
DC 0...10 V 
DC ± 1 mA  
Ch
ange of resistance (wires P1-P2) 
Load 
0...1000 
Ω 
< 1 W 
 AC 24 V 
DC 24…48 V supply 
  (SELV/PELV) 
 AC 230 V supply 
Function data 
Positioning signal for GMA13..1
Positioning signal for GMA16..1 
Characteristic functions 
for GMA161.1, 166.1 
for GMA163.1, 164.1 
Position indicator for GMA16..1 
Feedback potentiometer 
for GMA132.1 






