Filter
Top Products
⎯ 41 ⎯
6 F 2 S 0 8 5 7
Setting
The following shows the setting elements for the overcurrent protection and their setting ranges.
Element Range Step Default Remarks
1OC
0.10 − 20.0(*)
0.01 2.00 Definite time overcurrent (line)
2OC
0.10 − 20.0(*)
0.01 2.00 Definite time overcurrent (line)
3OC
0.10 − 20.0(*)
0.01 2.00 Definite time overcurrent (line)
T1OC
0.00 − 10.00s
0.01s 1.00s Delayed tripping for 1OC
T2OC
0.00 − 10.00s
0.01s 1.00s Delayed tripping for 2OC
T3OC
0.00 − 10.00s
0.01s 1.00s Delayed tripping for 3OC
1OCI
0.10 − 5.00(*)
0.01 1.00 Inverse time overcurrent (line)
2OCI
0.10 − 5.00(*)
0.01 1.00 Inverse time overcurrent (line)
3OCI
0.10 − 5.00(*)
0.01 1.00 Inverse time overcurrent (line)
T1OCI
0.05 − 1.00
0.01 1.00 Time multiplier setting for 1OCI
T2OCI
0.05 − 1.00
0.01 1.00 Time multiplier setting for 2OCI
T3OCI
0.05 − 1.00
0.01 1.00 Time multiplier setting for 3OCI
1EF
0.10 − 20.00(*)
0.01 2.00 Definite time overcurrent (neutral)
2EF
0.10 − 20.00(*)
0.01 2.00 Definite time overcurrent (neutral)
3EF
0.10 − 20.00(*)
0.01 2.00 Definite time overcurrent (neutral)
T1EF
0.00 − 10.00s
0.01s 1.00s Delayed tripping for 1EF
T2EF
0.00 − 10.00s
0.01s 1.00s Delayed tripping for 2EF
T3EF
0.00 − 10.00s
0.01s 1.00s Delayed tripping for 3EF
1EFI
0.10 − 5.00(*)
0.01 1.00 Inverse time overcurrent (neutral)
2EFI
0.10 − 5.00(*)
0.01 1.00 Inverse time overcurrent (neutral)
3EFI
0.10 − 5.00(*)
0.01 1.00 Inverse time overcurrent (neutral)
T1EFI
0.05 − 1.00
0.01 1.00 Time multiplier setting for 1EFI
T2EFI
0.05 − 1.00
0.01 1.00 Time multiplier setting for 2EFI
T3EFI
0.05 − 1.00
0.01 1.00 Time multiplier setting for 3EFI
Scheme switch
M1OCI to M3OCI
M1EFI to M3EFI
Long-Std-Very-Ext
Long-Std-Very-Ext
Std
Std
Inverse time characteristic selection of
OCI elements
EFI elements
Scheme switch
[1OC1] to [3OC5]
[1OCI1] to [3OCI5]
[1EF1] to [3EF5]
[1EFI1] to [3EFI5]
Off/On (**) Enable or disable tripping by
OC elements
OCI elements
EF elements
EFI elements
(*) : Multiplier of CT secondary rated current.
(**) : Default settings are dependent on the models. See Appendix H.
The overcurrent elements use the same three-phase line currents and neutral current as the