... Size: 48x48mm, 72x72mm, 80x80mm, 96x96mm, 120x120mm 1.General PZ72-AI ammeter is a kind of programmable electrical digital meter. It ... electrical network currents accurately. With 4 keys on the front panel, we can set the parameters, such as CTratio, ... equipment (contactor) remotely.2.Technical feature 3.Options4.Outline 4.Panel Size: 48x48mm; 72x72mm; 80x80mm, 96x96mm,120x120mm Single Phase Current ...