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Siemens
Air damper actuators GSD...1
CE2N4603en
Smart Infrastructure
2019-11-25
Use
•
For damper areas up to 0.3 m
2
, friction dependent.
•
For directly driven zone dampers to control air flow in air ducts.
Accessories / Spare parts
•
Rotation Limiter Kit ASK74.11
Type summary
Type
Operating
voltage
Control
signal
Cable
length
Shaft
diameter
Auxiliary
switch
GSD121.1A*
AC/DC 24 V
Open-close**
0.9 m
8…15 mm
-
GSD126.1A*
AC/DC 24 V
Open-close**
0.9 m
8…15 mm
yes
GSD321.1A*
AC 230 V
Open-close**
0.9 m
8…15 mm
-
GSD326.1A*
AC 230 V
Open-close**
0.9 m
8…15 mm
yes
* While stocks last
**1-wire, SPST: Single-pole, single-throw
Refer to „Internal Diagrams“, page 7.
Functions
Type
GSD121.1A
GSD126.1A
GSD321.1A
GSD326.1A
Control type
Open-close *
Rotary direction
Clockwise or counter-clockwise movement depends on the actuator's mounting
position on the damper shaft…
Slider
Pressing the slider allows for manual actuator adjustment.
Auxiliary switch
GSD...6.1A: Set switching points at 5° or 85°.
* 1-wire, SPST: Single-pole, single-throw
Technical data
Operating voltage AC / frequency
Operating voltage DC
AC 24 V ± 20% ; 50 / 60 Hz
DC 24 V ± 15%
Power consumption
GSD121.1A / GSD126.1A:
(running)
(holding)
2 VA / 1.5 W
1 VA / 0.5 W
Safety extra-low voltage (SELV) or
Protective extra-low voltage (PELV) as per
HD 384
Operating voltage / Frequency
AC 230 V ± 15%; 50/60 Hz
Fuse for incoming supply line (fast)
2 A.
Power consumption
GSD321.1A / GSD326.1A:
(running)
(holding)
12 VA / 2 W
12 VA / 2 W
Nominal torque
2 Nm
Maximum torque
6 Nm
Nominal rotational angle
90
Maximum rotational angle
(mechanically limited)
95 ± 2°
Runtime at nominal rotational angle 90°
30 s
Duty cycle
100%
Direction of rotation
Clockwise/counter-clockwise
Non-spring return
rotary
actuators GSD
Power supply
AC/DC 24 V
Supply voltage
AC 230 V
Functional data