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1MRS750881-MUM
Remote Monitoring and Control Unit
Technical Reference Manual
SECTOS
NXBD
Fig. 4.1.-3 Basic functions of a REC 523 unit provided with NxBD type SF6 gas
insulated double disconnectors
0
CODC1
1
0
+
CODC2
0
1
0
+
MECU3A
I
MECU3B
I
MEVO3A
U
DEF2Low
Io>
DEF2High
Io>>
NOC3Low
3I>
NOC3High
3I>>
REC 523
1
1
523sec2
17
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