... multi-plications:(Max.1999kw)*VxlxCOSΦ for single phase circuit.* √3x VxlxCOSΦ for three phase circuit.*Input current:connneciton by mean OF ... AC.KW METER WIRING CONNECTION DIAGRAM:*SINGLE PHASE KW METER DM9648-KW1With 5000/5A single phase current max. input voltage 400V otherwise ... METER DM9648-KW3With 3000/5A,4000/5A,5000/5A single phase current max. input voltage 380V,300V,220V otherwise display ...