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Accusine PCSn - Minimum Current Transformer Primary Current?

Metering & Power Quality

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Lieutenant JG Lieutenant JG
Lieutenant JG

Accusine PCSn - Minimum Current Transformer Primary Current?

Good day


Is the minimum primary current rating for the CT has to be 100A?

My installation incomer is only 32A.


1 Reply 1
Schneider Alumni (Retired)
Schneider Alumni (Retired)

Re: Accusine PCSn - Minimum Current Transformer Primary Current?


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!