HD a 3A limit energy-saving three-phase power protection circuit


Posted on Dec 11, 2010

Current Transformer H11-3 need be made. Choose not less than 2W transformer core, the first secondary winding. With µ0.12mm enameled wire around 1000 turns. Primary use µ1 ~ 4m


HD a 3A limit energy-saving three-phase power protection circuit
Click here to download the full size of the above Circuit.

m plastic wire around 2 3 turns to. Current transformers may also be finished. Finished current transformer induced voltage is relatively high.




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