Good day
Is the minimum primary current rating for the CT has to be 100A?
My installation incomer is only 32A.
TQ
Hi,
yes CT sensors must be selected according to SE recommendation:
• 5 A or 1 A secondary
• 100A to 10,000A primary rating
• 50/60 Hz or 400 Hz Rated
• Type 1 accuracy
• The CT primary current rating must exceed the maximum load current where they
are installed!
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