Name Values (Range) Unit Step Default Description
DirModeSel4 Disabled
Non-directional
Forward
Reverse
- - Non-directional Directional mode of step 4 (Off, Non-dir,
Forward, Reverse)
Characterist4 ANSI Ext. inv.
ANSI Very inv.
ANSI Norm. inv.
ANSI Mod. inv.
ANSI Def. Time
L.T.E. inv.
L.T.V. inv.
L.T. inv.
IEC Norm. inv.
IEC Very inv.
IEC inv.
IEC Ext. inv.
IEC S.T. inv.
IEC L.T. inv.
IEC Def. Time
Reserved
Programmable
RI type
RD type
- - ANSI Def. Time Time delay characteristic for step 4
Pickup4 1 - 2500 %IB 1 17 Residual current operate level for step 4 in
% of IBase
t4 0.000 - 60.000 s 0.001 1.200 Def time delay or add time delay for
inverse char of step 4
TD4 0.05 - 999.00 - 0.01 0.05 Time multiplier for the step 4 selected
time characteristic
IMin4 1.00 - 10000.00 %IB 1.00 17 Minimum operate residual current for step
4 in % of IBase
t4Min 0.000 - 60.000 s 0.001 0.000 Minimum operate time for inverse time
characteristic step 4
MultPU4 1.0 - 10.0 - 0.1 2.0 Multiplier for the residual current setting
value for step 4
HarmBlock4 Disabled
Enabled
- - Enabled Enable block of step 4 for harmonic
restraint
Table 230: EF4PTOC (51N_67N) Group settings (advanced)
Name Values (Range) Unit Step Default Description
ResetTypeCrv1 Instantaneous
IEC Reset
ANSI reset
- - Instantaneous Reset curve type for step1
(Instantaneous / IEC / ANSI)
tReset1 0.000 - 60.000 s 0.001 0.020 Reset time delay for step 1
tPCrv1 0.005 - 3.000 - 0.001 1.000 Param P for customized inverse trip time
curve for step 1
tACrv1 0.005 - 200.000 - 0.001 13.500 Param A for customized inverse trip time
curve for step 1
tBCrv1 0.00 - 20.00 - 0.01 0.00 Param B for customized inverse trip time
curve for step 1
tCCrv1 0.1 - 10.0 - 0.1 1.0 Param C for customized inverse trip time
curve for step 1
Table continues on next page
Section 8 1MRK 502 066-UUS B
Current protection
476
Technical manual
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