Reliable three-phase LED panel meter featuring 7-segment, 4-digit display for accurate voltage and current monitoring. Available as V3 and A3 models with class 0.5/1 accuracy, auto-ranging, site-selectable CT/PT ratio, and 90-270V AC/DC auxiliary supply (45-65Hz). Voltage range up to 500VAC (L-L), current 15mA-6A (60A optional), with THDI/THDV, Hz measurement and password-protected auto/manual scrolling.