GE Multilin 489

CHAPTER A: APPENDIX
489 GENERATOR MANAGEMENT RELAY – INSTRUCTION MANUAL A–13
A.3.2 Ground Fault CTs for 5 A Secondary CT
For low resistance or solidly grounded systems, a 5 A secondary CT should be used. Two
sizes are available with 5½” or 13” × 16” windows. Various Primary amp CTs can be chosen
(50 to 250).
A.3.3 Phase CTs
808709A1.CDR
GCT5
GCT16
DIMENSIONS
DIMENSIONS
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