Accuracy class: 1.5
Single phase voltage: 100V, 110V, 220V
Three-phase three-wire voltage: 100V, 110V, 220V, 380V, 415V(Balanced load or unbalanced load)
Current: Input Current more than 10A connecting inferior 1A or 5A of current tranformer outside, otherwise allowing direct access according to the current value.
Frequency: 50/60Hz