Description Of 3 Ph Package A31A - ABB Relion 670 Series Applications Manual

Section 3
Configuration
ZA
QB1
QA1
GUID-853490E3-9BD2-47E4-93DC-A25765A92AFF V2 EN-US
Figure 7:
3.3.6

Description of 3 ph package A31A

Three-phase version of the IED with two low-impedance differential protection zones and eight
three-phase CT inputs A31A. The version is intended for applications on smaller busbars, with up
to two zones and eight CT inputs.
54
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 MET Isqi
C MMXU C MSQI
MET I MET Isqi
C MMXU C MSQI
Other Functions in Library
87B
BDC GAPC
Optional Functions
51_67 4(3I>) 50BF 3I>BF
OC4 PTOC CC RBRF
NUMBER OF FEEDERS IN BOTH
BUSBAR SECTIONS
1MRK 511 358-UUS A
DFR/SER DR
DRP RDRE
87B 3Id/I 87B 3Id/I
BZIT GGIO BCZT PDIF
87B 3Id/I 87B 3Id/I
BZNT PDIF BUT PTRC
87B 3Id/I 87B 3Id/I
BZNT PDIF BUT PTRC
79 5(0→1)
SMB RREC
4
8
Application manual
SEMOD129275-22 v7