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3VT5 Molded Case Circuit Breakers up to 1600 A
Accessories and Components
Motorized operating mechanism
6/33
Siemens LV 36 · 2008
6
Specifications
Tripping of the circuit breaker with motorized operating mecha-
nism by shunt trip or undervoltage release
Circuit breaker states and lever positions of circuit breakers
Wiring diagram description
Wiring diagram
Circuit breaker switched on by motorized operating mechanism
(electrical push button ON) and switched off by shut trip
Circuit breaker switched on by motorized operating mechanism
(electrical push button ON) and switched off by undervoltage
trip
20
30
30
1000
30
0
1
0
1
0
1
0
1
0
1
30
1000
NSO0_00530
t
[ms]
2
4
6
1
3
5
1.44
1.14
1.43
1.13
2.14
2.44
2.13
2.43
1.32
1.22
1.31
1.21
2.22
2.32
2.21
2.31
3.44
3.14
3.43
3.13
4.14
4.44
4.13
4.43
3.32
3.22
3.31
3.21
4.22
4.32
4.21
4.31
Main contacts
Auxiliary switch
Auxiliary switch
Relative switch
Relative switch
accessory
compartment
3 + 4
accessory
compartment
1 + 2
Circuit breaker state
lever positions of circuit breakers
Switched on
Switched off by releases, or by TEST
button
Switched off manually or electrically by
drive
Symbol
Description
MP
motor drive 3VT9 500-3M...0
M
motor
P
storage device
X3
connector to connect auxiliary circuits
SSI
switch indicating MANUAL(NO-C)/ AUTO(NC-C)
modes
B
recommended wiring of the control circuits (not
included in drive order)
ON
make push button
OFF
break push button
Q3
motor drive circuit breaker-see page 6/45
L+
Q3
X3
MP
NC NO
SSI
C
X3
5 7
6
3
2
4
9
6 2 1
1 10
M P
B
4.13
4.14
4.21
4.22
4.31
4.32
4.43
4.44
N-
N-
5 7 3 4 1 3
A2
B2
A1
B1
U
<
U
NSO0_00477
3VT9 500-2AF10
or
3VT9 500-1U.00
3VT9 500-1S.00
Motor drive
Control circuit
ON
OFF
Switches
relative
acc.c. 4 acc.c. 5
Aux.rel.
L+
Q3
X3
MP
NC NO
SSI
C
X3
5 7
6
3
2
4
9
6 2 1
1 10
M P
B
4.13
4.14
4.21
4.22
4.31
4.32
4.43
4.44
N-
N-
5 7 3 4 1 3
A2
B2
A1
B1
U
<
U
NSO0_00478
3VT9 500-1U.00
3VT9 500-2AF10
3VT9 500-1S.00
or
Motor drive
Control circuit
ON
OFF
Switches
relative
acc.c. 4
acc.c. 5
Aux. releases