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3VT1 Molded Case Circuit Breakers up to 160 A
Circuit breakers · Switch disconnectors
2/14
Siemens LV 36 · 2008
2
4-pole version
Explanations
1)
The voltage on terminals 6, 7, 8 is the same as U
n
of the motorized operat-
ing mechanism.
L+
Q3
X3
MP
X3 2
4
5
3
6
1
7 8
M
B
P
HL1 HL2 HL3 HL4
N-
9.4
9.1
9.2
3VT9 100-2AB.0
8.4
8.1
8.2
3VT9 100-2AB.0
7.4
7.1
7.2
3VT9 100-2AB.0
A
J
6.4
6.1
6.2
3VT9 100-2AB.0
5.4
5.1
5.2
3VT9 100-2AB.0
4.4
4.1
4.2
3VT9 100-2AB.0
I
>
V
TEST
1.2
1.4
NSO0_00001
1.1
1.1
1.2
1.4
3VT9 100-2AH.0
3VT9 100-2AB.0
2.2
2.4
3VT9 100-2AB.0
3.2
3.4
3VT9 100-2AB.0
2.1
3.1
A1
U
<
3VT9 100-1U.00
A1
U
3VT9 100-1S.00
A
N
T
10.Y2
10.Y2
10.Y1
10.Y1
A2
B2
2 4 6
N
Q
1 3 5
B
J
MP control circuit
ON
OFF
Motor drive
MP control circuit, signalling
Switches
auxiliary
auxiliary
auxiliary
auxiliary
auxiliary
auxiliary
signal or aux.
auxiliary auxiliary
Switches or Auxiliary starters
Main circuit
Switches
acc.c. no. 9 acc.c. no. 8 acc.c. no. 7
acc.c. no. 6 acc.c. no. 5 acc.c. no. 4
acc.c. no. 1 acc.c. 2 acc.c. 3
acc.comp. no. 10
or
or
REVIZE
MP
3VT9 100-3M.00 motorized operating mechanism
M
motor
P
gearbox
X3
connector for connection of control and signaling circuits
B
recommended connection of control circuits - is not part of
MP
ON
pushbutton
OFF
pushbutton
Q3
motorized operating mechanism for the circuit breaker
(see page 22)
J
3VT1 circuit breakers
Q
main contacts
T
thermomagnetic overcurrent release
3P+N (3 poles protected, N-pole unprotected)
4P (all four poles protected)
V
trip-free mechanism
TEST
release test pushbutton
REVIZE
release revision pushbutton
3VT9 100-1U.00 undervoltage release
3VT9 100-1S.00 shunt trip
HL1
remote failure signalling (unreliable making or breaking),
max. permissible load10 W
1)
HL2
signalling of circuit breaker lever „wound up“ position,
max. permissible load 10 W
1)
HL3
signalling of opening of the front safty cover of the drive,
max. permissible load 10 W
1)
HL4
signalling of extension of the drive locking bar, max. per-
missible load 10 W
1)
TEST pushbutton