Date Code 20001006
Setting the Relay
9-13
SEL
-
351 Instruction Manual
Row
Bit
Definition
Primary
Application
5
50A
50A1 + 50A2 + 50A3 + 50A4 (see Figure 3.4)
50B
50B1 + 50B2 + 50B3 + 50B4 (see Figure 3.4)
50C
50C1 + 50C2 + 50C3 + 50C4 (see Figure 3.4)
51A
A-phase current above pickup setting 51AP for
A-phase time-overcurrent element 51AT (see
Figure 3.15)
Testing, Control
51AT
A-phase time-overcurrent element 51AT timed out
(see Figure 3.15)
Tripping
51AR
A-phase time-overcurrent element 51AT reset (see
Figure 3.15)
Testing
51B
B-phase current above pickup setting 51BP for
B-phase time-overcurrent element 51BT (see
Figure 3.16)
Testing, Control
51BT
B-phase time-overcurrent element 51BT timed out
(see Figure 3.16)
Tripping
6
51BR
B-phase time-overcurrent element 51BT reset (see
Figure 3.16)
Testing
51C
C-phase current above pickup setting 51CP for
C-phase time-overcurrent element 51CT (see
Figure 3.17)
Testing, Control
51CT
C-phase time-overcurrent element 51CT timed out
(see Figure 3.17)
Tripping
51CR
C-phase time-overcurrent element 51CT reset (see
Figure 3.17)
Testing
51P
Maximum phase current above pickup setting 51PP
for phase time-overcurrent element 51PT (see
Figure 3.14)
Testing, Control
51PT
Phase time-overcurrent element 51PT timed out (see
Figure 3.14)
Tripping
51PR
Phase time-overcurrent element 51PT reset (see
Figure 3.14)
Testing
51N
Neutral ground current (channel IN) above pickup
setting 51NP for neutral ground time-overcurrent
element 51NT (see Figure 3.18)
Testing, Control
Summary of Contents for SEL-351
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