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General ambient conditions
Connecting cable
Dimensions
Actuators without
auxiliary switch
SFP21/18, SFP71/18
Actuators with
auxiliary switches
SFP21/18, SFP71/18
with ASC2.1/18
Revision numbers
6/6
Siemens Building Technologies
HVAC Products
Environmental conditions
Temperature
Humidity
Cable
Operating voltage
2-core
Auxil. switch ASC2.1/18
(optional)
3-core
All dimensions in mm
112
112
Product number
H
SFP21/18
2009-2011 Siemens Switzerland Ltd.
Elctromotoric Actuators
Operation
EN 60721-3-3
Class 3K3
+1 ... +50 °C
5 ... 85 %rh
SFP21/18
AC 230 V
Cable color
Connection
Brown
L
Blue
N
Black / Red
Input
Black / Blue
N/C contact
Black / Pink
N/O contact
01466
01687
Valid from rev. no.
Product number
SFP71/18
Transport
Storage
EN 60721-3-2
EN 60721-3-2
Class 2K3
Class 2K3
–25 ... +70 °C
–5 ... +50 °C
< 95 %rh
5 ... 95 %rh
SFP71/18
AC 24 V
Cable color
Connection
Red
G
Black
G0
Black / Red
Input
Black / Blue
N/C contact
Black / Pink
N/O contact
01467
01688
Valid from rev. no.
H
Subject to change
CA1N4865en
20.04.2011
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