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Circuit Diagrams - Siemens 3AK Operating Instructions Manual

Vacuum circuit-breaker module.
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Description
HA
Manual opening
HE
Manual closing
K1
Contactor relay (anti-pumping device)
M1
Motor
P
Energy storage mechanism
R1
Resistor
S1
Auxiliary switch
S10, S11
Position switch (mechanical anti-pumping device)
S12
Position switch (prevents electrical closing if there is a
mechanical locking device)
S21, S22
Position switches (switch off the motor after charging)
30

Circuit diagrams

The circuit diagrams show all the available components with their wiring options.
Fig. 33 to Fig. 39 show some non-binding examples of vacuum circuit-breaker mod-
ules.
The circuit diagrams for the vacuum circuit-breaker module are compiled depending
on your order.
Mechanical manual closing and electrical closing
"OPEN" release
-Y1
Fig. 33
Sample circuit diagram – connection via low-voltage interface, 64-pole,
basic version
Electrical manual closing and electrical closing
"OPEN" release
-Y1
-Y2
-Y4
-Y4
-Y5
-Y6
-Y7
-Y7
Fig. 34
Example – circuit diagram with connection via low-voltage interface 64-
pole.
This legend is also valid for the following circuit diagrams.
-Y2
-Y4
-Y4
-Y5
-Y6
-Y7
-Y7
S3
Position switch (opens when closing spring is charged)
S41, S42
Position switches (signal charging status)
S6, S7
Position switches (for circuit-breaker tripping signal)
X0
Low-voltage interface
Y1
1st shunt release
Y2
2nd shunt release
Y4, Y5, Y6
Transformer-operated release
Y7
Undervoltage release
Y9
Closing solenoid
V6
Integrated rectifiers for motor
extended auxiliary switch
9229 9923 176 0B
2013-09-09

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This manual also for:

3ak1

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