High Speed DC Circuit Breaker - G E Power Controls
High Speed DC Circuit Breaker - G E Power Controls
High Speed DC Circuit Breaker - G E Power Controls
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4.3.5 SU control unit<br />
-Q1 Drive<br />
+ / ~<br />
-X12<br />
2<br />
1<br />
-S3<br />
-X2<br />
3<br />
:1<br />
~<br />
External power supply<br />
for the drive.<br />
-<br />
+<br />
-X2<br />
:2<br />
4<br />
~<br />
<strong>Power</strong> circuit<br />
„CLOSE“<br />
signal<br />
-X2<br />
-S1<br />
-X2<br />
:5<br />
:4<br />
9<br />
8<br />
CLOSE signal circuit<br />
Closing control<br />
:9<br />
10<br />
-X10, 11<br />
K2<br />
-X10, 11<br />
:6<br />
7<br />
Emergency STOP<br />
relay<br />
5 6<br />
N / ~<br />
Emergency<br />
STOP signal<br />
36/ _ _ X _ _ _ _<br />
Key position - 4<br />
Key number – 20: Closing solenoid drive with SU control unit.<br />
Fig. 26 SU-control circuit<br />
20 Design and specifications are subject to change without notice 01/2008
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