GE Power Management 469 Motor Management Relay D-1
APPENDIX D D.1 CURRENT TRANSFORMERS
D
APPENDIX D APPENDIX DD.1 CURRENT TRANSFORMERS D.1.1 GROUND FAULT CTS FOR 50:0.025 A
CTs that are specially designed to match the ground fault input of GE Power Management motor protection
relays should be used to ensure correct performance. These CTs have a 50:0.025A (2000:1 ratio) and can
sense low leakage currents over the relay setting range with minimum error. Three sizes are available with
3½", 5½", or 8" diameter windows.
HGF3 / HGF5
DIMENSIONS
HGF8
DIMENSIONS
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