... grade EMC capability Sampling voltage, current, ON/ OFF status of mains & branch circuitsDI Module No need aux. contact, ... space ØHigh reliability ØModule design: Main module, CT module, DI module, HMIØIt can monitor harmonic, demand, neutral current ØCT measuring accuracy: ... voltage220Vph-N, (optional 230V), Range: 10%-120%, Accuracy: 0.5%Rated current (Main circuit)5A, Range: 1%-120% rated, Accuracy ...