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how to design a 40A current sensor? Answered

I intend to use it to transmit current over a wire loop.

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verence (author)2012-11-08

if its DC, then use a Hall effect based sensor. You can get pure sensors and do amplification etc. your self or buy a ready made device for a specific current range.

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steveastrouk (author)2012-11-08

if its AC, then just use a current transformer.

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