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ABB REX 521 Technical Reference Manual, Standard Configurations

ABB REX 521
250 pages
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174
1MRS751802-MUM
Protection Relay
Technical Reference Manual, Standard Configurations
REX 521
Fig. 10.1.1.-2 Connection overview diagram of the outgoing feeder
REX 521
CB
DC
ES
0
1
5
0,2
v
100V
Uo
b
da
dn
A
N
Overcurrent TRIP Alarm
Circuit-breaker failure
protection
Blocking signal to incoming
feeder (START 3I>>)
TRIP circuit breaker
CLOSE circuit breaker
Internal relay fault
Earth-fault TRIP Alarm
Control signal for selecting
the basic angle of Io>-->
(BACTRL)
OverviewOutgM01

Table of Contents

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ABB REX 521 Specifications

General IconGeneral
BrandABB
ModelREX 521
CategoryOther
LanguageEnglish

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