Industrial Grade Current Transformer has rated voltage of 720 v and rated frequency from 50 to 60 hz. The Transformer has secondary current from 1 and 5a and has working temperature from -20 to +55 ° C and storage temperature from -50 to +80 ° C. The Transformer has test voltage of 4kv eff, 50 Hz 1 minute. The Industrial Grade Current Transformer has nylon made housing.