Power Splitting - Siemens Cerberus MN7002 Manual

4.3

Power splitting

Control unit emergency power capacity = 40Ah + Load circuits = 120Ah
ü
Mains feeder via back-up fuse of max. 10A
first E3C021
E3C021
1+
2–
3+
4–
5+
6–
refer to page 8
7+
8+
9–
≤6A
10+
B2F020
11–
12+
13–
14+
15
16–
17+
18–
20–
Control unit
X1
X2
S3#1 ON
S3#2 OFF
Fire & Security Products
Siemens Building Technologies Group
Load 1: <2A
Load 2: <2A
Load 3: <2A
Common supply
Control unit
≤6A
B2F020
Common monitoring
Batteries
12V
≤40Ah
12V
PTC
Z3B220
X1
X2
S3#1
S3#2
E3C021 E3C021
1+
Load 1: <2A
2–
3+
Load 2: <2A
4–
5+
Load 3: <2A
6–
7+
Common supply
8+
9–
10+
11–
12+
13–
14+
Batt.
12V
15
≤40Ah
12V
16–
17+
PTC
18–
20–
Z3B220
X1
X2
OFF
S3#1
OFF S3#2
last E3C021
E3C021
1+ 1+
Load 1: <2A
2– 2–
3+ 3+
Load 2: <2A
4– 4–
5+ 5+
Load 3: <2A
6– 6–
7+ 7+
Common supply
8+ 8+
9– 9–
10+ 10+
11– 11–
12+ 12+
13– 13–
14+ 14+
Batt.
12V
15 15
≤40Ah
12V
16– 16–
17+ 17+
PTC
18– 18–
20– 20–
Z3B220
X1
X2
ON S3#1
OFF S3#2
Load 1: <2A
Load 2: <2A
Load 3: <2A
Batt.
12V
≤40Ah
12V
PTC
ON
ON
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04.2002