Answer Posted / shailesh taware

1 CT WITH 3 CORE
1st CORE FOR O/C & E/F PROTECTION
2nd CORE FOR METERING WITH INSULATION CLASS 0.5
3rd CORE FOR DIFFERENTIAL PROTECTION
1 PT WITH 2 CORE
1st CORE FORE O/C & E/F PROTECTION
2nd CORE FORE METERING

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