GE 489 Instruction Manual page 247

APPENDIX B B.1 TIME OVERCURRENT CURVES
489
IEC CURVE B (BS142)
GE Multilin
1000
B
100
10
MULTIPLIER
1
1.00
0.80
0.60
0.50
0.40
0.30
0.20
0.15
0.1
0.10
0.05
0.01
CURRENT (I/Ipu)
808804A4.CDR
Figure B–11: IEC CURVES B (BS142)
GE Multilin 489 Generator Management Relay B-11