Siemens Cerberus MN7002 - Power Splitting

e1493d
11
Fire & Security Products
Siemens Building Technologies Group 04.2002
4.3 Power splitting
Control unit emergency power capacity = 40Ah + Load circuits = 120Ah
ü
Mains feeder via back-up fuse of max. 10A
E3C021
Load 1: <2A
Load 2: <2A
Load 3: <2A
PTC
12V
12V
1+
2–
3+
4–
5+
6–
7+
8+
9–
10+
11–
12+
13–
14+
15
16–
17+
18–
E3C021
Load 1: <2A
Load 2: <2A
Load 3: <2A
PTC
12V
12V
1+
2–
3+
4–
5+
6–
7+
8+
9–
10+
11–
12+
13–
14+
15
16–
17+
18–
E3C021
Load 1: <2A
Load 2: <2A
Load 3: <2A
PTC
12V
12V
1+
2–
3+
4–
5+
6–
7+
8+
9–
10+
11–
12+
13–
14+
15
16–
17+
18–
K3 K4 K3 K4 K3 K4
last E3C021
Common supply Common supply
Batt.
≤40Ah
Z3B220 Z3B220
Batt.
≤40Ah
X1
X2
S3#1
S3#2
X1
X2
S3#1
S3#2
X1
X2
S3#1
S3#2
OFF
ON
OFF
ONON
E3C021
Load 1: <2A
Load 2: <2A
Load 3: <2A
Control unit
PTC
12V
12V
2–
3+
4–
5+
6–
7+
8+
9–
10+
11–
12+
13–
14+
15
16–
17+
18–
K3 K4
first E3C021
Common supply
Control unit
Batteries
≤40Ah
X1
X2
S3#1
S3#2
OFF
ON
Z3B220
Batt.
≤40Ah
OFF
20– 20– 20– 20–
Common monitoring
1+
≤6A
B2F020
≤6A
B2F020
refer to page 8