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Use
Accessories / Spare parts
Type summary
Non-spring return rotary
actuators GSD
Functions
Type
Control type
Rotary direction
Slider
Auxiliary switch
Technical data
Power supply
AC/DC 24 V
Supply voltage
AC 230 V
Functional data
2 / 9
Siemens
Smart Infrastructure
• For damper areas up to 0.3 m
• For directly driven zone dampers to control air flow in air ducts.
• Rotation Limiter Kit ASK74.11
Operating
Type
voltage
GSD121.1A*
AC/DC 24 V
GSD126.1A*
AC/DC 24 V
GSD321.1A*
AC 230 V
GSD326.1A*
AC 230 V
* While stocks last
**1-wire, SPST: Single-pole, single-throw
Refer to „Internal Diagrams", page 7.
Clockwise or counter-clockwise movement depends on the actuator's mounting
Pressing the slider allows for manual actuator adjustment.
GSD...6.1A: Set switching points at 5° or 85°.
* 1-wire, SPST: Single-pole, single-throw
Operating voltage AC / frequency
Operating voltage DC
Power consumption
GSD121.1A / GSD126.1A:
Safety extra-low voltage (SELV) or
Protective extra-low voltage (PELV) as per
Operating voltage / Frequency
Fuse for incoming supply line (fast)
Power consumption
GSD321.1A / GSD326.1A:
Nominal torque
Maximum torque
Nominal rotational angle
Maximum rotational angle
(mechanically limited)
Runtime at nominal rotational angle 90°
Duty cycle
Direction of rotation
Air damper actuators GSD...1
2
, friction dependent.
Control
signal
length
Open-close**
Open-close**
Open-close**
Open-close**
GSD121.1A
GSD126.1A
GSD321.1A
GSD326.1A
Open-close *
position on the damper shaft...
AC 24 V ± 20% ; 50 / 60 Hz
DC 24 V ± 15%
(running)
2 VA / 1.5 W
(holding)
1 VA / 0.5 W
HD 384
AC 230 V ± 15%; 50/60 Hz
2 A.
(running)
12 VA / 2 W
(holding)
12 VA / 2 W
2 Nm
6 Nm
90
95 ± 2°
30 s
100%
Clockwise/counter-clockwise
Cable
Shaft
diameter
8...15 mm
0.9 m
8...15 mm
0.9 m
8...15 mm
0.9 m
8...15 mm
0.9 m
Auxiliary
switch
-
yes
-
yes
CE2N4603en
2019-11-25
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