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1MDU07212-YN Rev. D
REF601 / REJ601 / REM601
Application Manual
Table 1:
Relay functions
Test
Functionality
Protection
Non-directional overcurrent
protection, low-set stage
Non-directional overcurrent
protection, high-set stage
Non-directional overcurrent
protection, instantaneous stage
Earth-fault protection, low-set
stage
Earth-fault protection, high-set
stage
Three phase transformer inrush
detector
Three-phase thermal protection
for feeders, cables, distribution
transformers and motor
Phase discontinuity / Single
phasing protection
Negative-sequence overcurrent
protection
Phase reversal protection
Motor startup supervision /
Stalling protection with provision
of speed switch input
Repetitive start up protection and
restart inhibit
Locked rotor protection during
running
Under current protection
Emergency restart
Circuit breaker failure protection
Master trip
Two setting group
Control (Function available in REF601 and REM601 Application configuration C )
Breaker control functionality
Auto-reclosing
REF601/REJ601/REM601 overview
Related products
REJ601/
REF601
ANSI
IEC
B
51
3I>
●
50-1
3I>>
●
50-2
3I>>>
●
51N
Io>
●
50N
Io>>
●
68
3I2f>
●
49
3Ith>
-
46PD
I2/I1>
-
46
I2>
-
46R
I2R>
-
51LRS/
I2t n<
-
14/48/66
50-2
3I>>>
-
37
3I<
-
ESTART
ESTART
-
51BF/
3I>/Io>
-
51NBF
BF
Master
86
●
Trip
-
-
●
I <-> O
I <-> O
●
CB
CB
79
O -> I
-
Section 2
REJ601/
REJ601/
REM601 REM601
REF601
REF601
C
D
B
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-
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-
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-
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-
-
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-
-
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-
-
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-
-
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●
●
●
●
●
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●
-
-
●
-
C
●
●
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●
●
-
●
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●
●
●
●
●
●
●
●
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-
9
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