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Siemens Building Technologies
Electrical Actuators
CA1N4895en
HVAC Products
08.03.2004
SSC31
SSC81
SSC61
SSC61.5
Dimensions / weight
Dimensions
refer to «Dimensions»
Coupling thread to valve
coupling nut G¾
Weight
0.26 kg
0.25 kg
0.27 kg
Housing
Base, rotary knob
Cover
plastic, RAL 7035, light-grey
plastic, RAL 5014, pigeon-blue
1)
3 VA, when capacitor charged for automatic reset
2)
Applies to type SSC… actuators with type suffix U
3)
Provided the controllers’ output is sufficient
General
ambient conditions
Operation
IEC 721-3-3
Transport
IEC 721-3-2
Storage
IEC 721-3-1
Environmental conditions
class 3K3
class 2K3
class 1K3
Temperature
+5...+50 °C
–25...+70 °C
–25...+70 °C
Humidity 5...95 % r.h.
< 95 % r.h.
5...95 % r.h.
Connection terminals
All actuators must be electrically connected and installed in accordance with local
safety regulations.
Y2
Y1
N
48
95
Z0
6
Control signal CLOSE (AC 230 V)
Control signal OPEN (AC 230 V)
Neutral
Y2
Y1
G
48
64
Z1
5
Control signal CLOSE
Control signal OPEN
System potential AC 24 V
G0
Y
G
48
95
Z2
1
Control signal DC 0...10 V
System potential AC 24 V
(+ with DC 24 V)
System neutral
(- with DC 24 V)
SSC31
SSC81
SSC61
SSC61.5
