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2.3.2
Wiring the Power Connectors
Pinout
The diagram and the table below indicate the pinout of the power connector and
the two power sockets on a motor starter with a 24 V DC braking contact.
Pin-
out
Connecting load
supply voltage
1
—
2
Phase 2
3
—
4
GND
5
+ 24 V DC
6
Phase 1
7
—
8
Phase 3
e
PE
SIMATIC - EM 300 Motor Starters
GWA-4NEB 640070302-05
6
2
3
1
4
4
5
1
6
8
7
Plug X1
Connecting load
with brake
Phase 1
—
Phase 3
GND
+
—
Phase 2
—
PE
8
7
3
5
5
2
3
8
Socket X2
Looping through load
supply voltage and
brake voltage
—
Phase 2
—
+ 24 V DC
GND
Phase 3
—
Phase 1
PE
Wiring
2
1
4
7
6
Socket X3
2-9
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