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9
Fire & Security Products
Siemens Building Technologies Group
04.2002
4
Application examples
4.1
Conventional power supply
Emergency power capacity 40Ah (4.3A for all load ci 1.7A for batteries)
ü
Mains feeder via back-up fuse of max. 10A
E3C021
Load 1: <2A
Load 2: <2A
Load 3: <2A
Control unit
PTC
12V
12V
1+
2–
3+
4–
5+
6–
7+
8+
9–
10+
11–
12+
13–
14+
15
16–
17+
18–
K3
K4
Control unit
Batteries
≤
40Ah
X1
X2
S3#1
S3#2
ON
ON
115V
AC
230V
AC
≤
10A
≤
6A
B2F020
refer to page 8
≤
1.7A
≤
4.3A