ABB REJ 527 Operator's Manual page 33
Directional or non-directional earth-fault relay
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Also See for REJ 527:
- Technical reference manual (68 pages) ,
- Technical reference manual (76 pages) ,
- Product manual (12 pages)
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1MRS 751055-MUM
Directional or Non-Directional Earth-Fault Relay
Operator's Manual
Abbreviations
CBFP
Circuit-breaker failure protection
CPU
Central processing unit
IDMT
Inverse definite minimum time characteristic
IRF
Internal relay fault
LCD
Liquid Crystal Display
LED
Light-emitting diode
MMI
Man-Machine Interface
SGB
Switchgroups for binary input
SGF
Switchgroups for functions
SGR
Switchgroups for output contacts
REJ 527
33
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