Toshiba GRT100 Series Instruction Manual page 29

T1EF
t
1EF
0.00 - 10.00s
1EFI
Note: 2EF and 3EF provides the same logic as 1EF. 2EFI and 3EFI provides the same logic as 1EFI.
Figure 2.5.2 Scheme Logic of the Overcurrent Protection for Earth Faults
0
[1EF1]

"ON"
[1EF2]

"ON"
[1EF3]

"ON"
[1EF4]

"ON"
[1EF5]

"ON"
[1EFI1]

"ON"
[1EFI2]

"ON"
[1EFI3]

"ON"
[1EFI4]

"ON"
[1EFI5]

"ON"
 28 
6 F 2 S 0 7 8 9
&
1EF-1
&
1EF-2
&
1EF-3
&
1EF-4
&
1EF-5
&
1EFI-1
&
1EFI-2
&
1EFI-3
&
1EFI-4
&
1EFI-5