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4.2
Extended emergency power capacity
Emergency power capacity 120Ah (0.9A for all load circuits + 3× 1.7A for batteries)
ü
Mains feeder via back-up fuse of max. 10A
refer to page 8
≤10A
115V
AC
B2F020
230V
AC
Control unit
10
Fire & Security Products
Siemens Building Technologies Group
first E3C021
E3C021
1+
Load 1: <2A
2–
3+
Load 2: <2A
4–
5+
Load 3: <2A
6–
Common
7+
8+
Control unit
9–
≤6A
10+
11–
12+
13–
14+
Batteries
12V
15
≤40Ah
12V
16–
17+
PTC
18–
Z3B220
X1
X2
S3#1
ON
S3#2
OFF
E3C021
1+
Load 1: <2A
2–
3+
Load 2: <2A
4–
5+
Load 3: <2A
6–
Common
7+
8+
9–
10+
11–
12+
13–
14+
Batteries
12V
15
≤40Ah
12V
16–
17+
PTC
18–
Z3B220
X1
X2
S3#1
ON
S3#2
OFF
last E3C021
E3C021
1+
Load 1: <2A
2–
3+
Load 2: <2A
4–
5+
Load 3: <2A
6–
7+
8+
9–
10+
11–
12+
13–
14+
Batteries
12V
15
≤40Ah
12V
16–
17+
PTC
18–
X1
X2
S3#1
ON
S3#2
ON
e1493d
04.2002
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