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Relay LTMR100MFM current range 100A if we use the same relay without external CT ?

The internal CTs for the Tesys T are the protection class CT type 5P10.

This means they can handle 10 times of the rated current with 5% accuracy without the CT getting saturated.

The requirement from your side indicates the current of 150 A for a minute and 500 for few millisecs , this can be managed with out problem by the LTMR100** internal CTs
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