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
Pin
Cable
Meaning
Code
No.
Color Abbreviation
Actuators
AC 24 V
DC 24…48 V
G
1
red
RD
System potential AC 24 V/DC 24…48 V
G0
2
black
BK
System neutral
Y1
6
purple
VT
Pos. signal AC 0 V/AC 24 V/DC 24…48 V, “open”
Y2
7
orange
OG
Pos. signal AC 0 V/AC 24 V/DC 24…48 V, “close”
Y
8
grey
GY
Pos. signal DC 0...10 V, 0...35 V
U
9
pink
PK
Position indication DC 0...10 V
Actuators
L
3
brown
BN
Phase AC 230 V
AC 230 V
N
4
blue
BU
Neutral conductor
Auxiliary switch
Q11
S1
grey/red
GY RD
Switch A input
Q12
S2
grey/blue
GY BU
Switch A normally-closed contact
Q14
S3
grey/pink
GY PK
Switch A normally-open contact
Q21
S4
black/red
BK RD
Switch B input
Q22
S5
black/blue
BK BU
Switch B normally-closed contact
Q24
S6
black/pink
BK PK
Switch B normally-open contact
Feedback
a
P1
white/red
WH RD
Potentiometer 0...100 % (P1-P2)
potentiometer
b
P2
white/blue
WH BU
Potentiometer pick-off
c
P3
white/pink
WH PK
Potentiometer 100...0 % (P3-P2)
Dimensions
Dimensions in mm
Cable labeling
Issued by
Siemens Switzerl
and Ltd
Smart Infrastructure
Glob
al Headquarters
Th
eilerstrasse 1a
630
0 Zug
Switzerland
Tel. +41
58-724 24 24
www.siemens.com/buildingtechnologies
© Siemens Switzerland Ltd, 2004
Technical specifications and availability subject to change without notice.






