Optional Function; Other Functions; Self-Supervision - ABB REF601 Applications Manual

1MDU07212-YN Rev. C
2.3.2
2.4
2.4.1
REF601 / REJ601
Application Manual
Table 1: Relay functions, continue
Functionality
Protection
Phase discontinuity protection
Negative-sequence overcurrent
protection
Circuit breaker failure protection
Master trip
Two setting group
Three phase transformer inrush
detector
Three-phase thermal protection for
feeders, cables and distribution
transformers
Control (Function available in REF601 )
Breaker control functionality
Auto-reclosing
Condition monitoring
Trip circuit supervision
Measurement
Three-phase current measurement
Residual current measurement
Negative phase sequence current
Thermal level
Operation counter
● = Included

Optional function

The relay has optional communication MODBUS RTU and IEC 60870-5-103
protocol on RS485 two wire.

Other Functions

Self-Supervision

The IED is provided with an extensive self-supervision system which continuously
supervises the software and the electronics. It handles run-time fault situations and
informs the user about a fault via the LHMI.
REF601/REJ601 overview
Related products REJ601 /
REF601
ANSI IEC B
46PD I2/I1> -
46 I2> -
51BF/51 3I>/Io>B
-
NBF F
Master
86 ●
Trip
●
68 3I2f> ●
49 3Ith> -
I <-> O I <-> O
●
CB CB
79 O -> I -
TCM TCS ●
3I 3I ●
In Io ●
I2 I2 -
ϑ ϑ -
- - -
Section 2
REJ601 /
REF601
REF601
C D
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- ●
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- ●
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