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Section 3
Configuration
In order to use X03 configuration, optional breaker failure and overcurrent functions must be
ordered.
3.1.5
Description of 3 ph package A20
Three-phase version of the IED with two low-impedance differential protection zones and four
three-phase CT inputs A20. The version is intended for simpler applications such as T-
connections, meshed corners, and so on.
ZA
QB1
QA1
IEC16000254 V2 EN-US
Figure 3:
3.1.6
Description of 3 ph package A31
Three-phase version of the IED with two low-impedance differential protection zones and
eight three-phase CT inputs A31. The version is intended for applications on smaller busbars,
with up to two zones and eight CT inputs.
48
QB1
QB1
QB1
QB1
QA1
QA1
QA1
VERSION OF REB670
REB670(A20 – X01) 3-Phase, 4 Bays, 2 Zones for Simple Station
Layout 12 AI
REB670(A31 – X01) 3-Phase, 8 Bays, 2 Zones for Simple Station
Layout 24 AI
Configuration diagram for A20, configuration X01
ZB
REB670(A20-X01) / REB670(A31-X01)
MET
I
C MMXU
MET
I
C MMXU
Other Functions available from the function library
87B
MET
Isqi
BDC GAPC
C MSQI
7
DELTA
7V_78V
DELTAU
DELV SPVC
DEL SPVC
Control
63
S SCBR
S SIMG
MET
U
MET
Usqi
V MMXU
V MSQI
Optional Functions
50BF 3I>BF
ITHD ITHD
CC RBRF
CHM MHAI
VTHD UTHD
VHM MHAI
NUMBER OF FEEDERS IN BOTH
BUSBAR SECTIONS
1MRK 505 370-UEN D
DFR/SER DR
DRP RDRE
87B
3Id/I
87B
3Id/I
BCZT PDIF
BZIT GGIO
87B
3Id/I
87B
3Id/I
BUT PTRC
BZNT PDIF
87B
3Id/I
87B
3Id/I
BZNT PDIF
BUT PTRC
MET
P/Q
7I
DELTAI
CV MMXN
DELI SPVC
MET
W/Varh
Control
ETP MMTR
Q CBAY
71
3
Control
S SIML
S XCBR
MET
UN
VN MMXU
51_67 4(3I>)
79
5(0→1)
OC4 PTOC
SMB RREC
4
8
IEC16000254-2-en.vsd
Busbar protection REB670
Application manual
SEMOD129275-4 v8
SEMOD129275-22 v8
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