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How can I adjust the scale of an LT47 over current relay
Because the LT47 over current relay uses Current Transformers (CT's) it is possible to adjust the range of the unit by passing the cable through the CT's more than once ie "Looping the cable"
Below is a diagram and table showing how this is achieved and what ranges are possible.
Below is a diagram and table showing how this is achieved and what ranges are possible.