... ,3P, 3Q, 3PF, 3F, ±kWh, ±kvarh) in single and three phase system. It offer RS485 serial to link with PLCs, PCs ... , remote metering, supports field programming*More than 30 parameters measurement, two RS485 communication are supported* Power supply: 85~265VAC, or 80 ... is an extend module)*CE certification, IEC61000 PMAC720 multifunction 3-phase Moduba RS486 panel meter