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why CT output is always raetd 5.regardsof primery curre.
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Answer Posted / balu
There are two CT output current. 5A or 1A. These are
standard outputs.There many measuring and protective
instruments will be connected to this secondary. So these
instruments designed for the output of this current. Based
on the customer primary current, the multiple factor can be
programmed to measure primary current. So, it reduces
customization .
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