ABB REB670 Series - Description of 3 ph package A20; Description of 3 ph package A31

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