... ,3P, 3Q, 3PF, 3F, ±kWh, ±kvarh) in single and three phase system. It offer RS485 serial to link with PLCs, PCs ... are supported* Power supply: 85~265VAC, or 80~300VDC*Programmable CT (1 ~ 49,999), PT (1~999,999)*Up to 31st ... there is an extend module)*CE certification, IEC61000 PMAC720 multifunction 3-phase Moduba RS486 panel meter