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3VT3 Molded Case Circuit Breakers up to 630 A
Circuit breakers · Switch disconnectors
4/14
Siemens LV 36 · 2008
4
4-pole version
L+
Q3
J
X4
A2
A2
10.Y2
10.Y1
10.Y1
10.Y3
10.Y2
10.Y4
B2
A1
A1
B1
YC
3
6
4
2
1
2
5
1
1
3VT9 325-6..0
SO 3
SO 1
T3
T2
T1
V
Q
B
A
SO 2
1
4 2 1
4 2
2 4
3 5
X3
MP
NC NO
S6
C
X3
12 10
11
M P
U
<
U
<
I
>
I
>
U
6
2 4
1
1 3 5
TEST
T4
N
7
N
2 4 6 8
NSO0_00251
3VT9 300-1U.00
3VT9 300-1S.00
3VT9 300-1U.10
3VT9 300-2AJ00
S
B
N-
NC NO
S5
C
9 7
8
PE
3VT9 300-4PA.0
3VT9 300-4PA.0
3VT9 300-4WA.0
3VT9
300-
4WA.0
Recommended wiring of the
control circuits
Ext.oper.
counter
acc.comp. no. 10
Plug-in device/Withdrawable device
Plug-in device/Withdrawable device
Main circuit
ON
OFF
Motor drive
Auxiliary trip/Early contact
or
or
or
2.3
3.3
2.1
3.3
2.1
3.1
1.3
1.1
1.2
1.4
3VT9 300-2AC10
3VT9 300-2AD10
3VT9 300-2AH10
1.4
1.2
1.1
2.4
3.4
2.2
3.4
2.2
3.2
NSO0_00252
5.3
5.1
5.2
5.4
5.4
5.2
5.1
4.3
4.1
4.2
4.4
4.4
4.2
4.1
2.3
2.1
2.2
2.4
2.4
2.2
2.1
3.3
3.1
3.2
3.4
3.4
3.2
3.1
7.3
7.1
7.2
7.4
7.4
7.2
7.1
or or
8.3
8.1
8.2
8.4
8.4
8.2
8.1
or or
9.3
9.1
9.2
9.4
9.4
9.2
9.1
or or
6.3
6.1
6.2
6.4
6.4
6.2
6.1
or
or
A
B
3VT9 300-2AC10
3VT9 300-2AD10
3VT9 300-2AH10
3VT9 300-2AG10
3VT9 300-2AF10
3VT9 300-2AE10
3VT9 300-2AC10
3VT9 300-2AD10
3VT9 300-2AH10
3VT9 300-2AC10
3VT9 300-2AD10
3VT9 300-2AH10
3VT9 300-2AC10
3VT9 300-2AD10
3VT9 300-2AH10
3VT9 300-2AC10
3VT9 300-2AD10
3VT9 300-2AH10
3VT9 300-2AC10
3VT9 300-2AD10
3VT9 300-2AH10
3VT9 300-2AC10
3VT9 300-2AD10
3VT9 300-2AH10
3VT9 300-2AC10
3VT9 300-2AD10
3VT9 300-2AH10
signal
auxiliary
acc.c. no. 2 + 3
acc.c. no. 1
or or
relative
auxiliary
acc.c. no. 2 acc.c. no. 3
acc.c. no. 5
acc.c. no. 4
auxiliary
auxiliary
or
or
or or
or or
or or
or or
Switches
acc.c. no. 7 acc.c. no. 8 acc.c. no. 9
acc.c. no. 6
auxiliary auxiliary
auxiliary
auxiliary
X2
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Connecting cable
X1
1 2 3 4 5 6 7 8 9 10 1112 13 14 15
Connecting cable