... electrical digital meter. It can measure 3 phase voltages accurately. With 4 keys on the ... VL3 or VL12,VL23,VL31 - PT ratio: Programmable- Voltage: AC 3x120/220V, 3x230/400V, 3x400V overload: 480V ... output(/J): 1 passive relay (1A/30VDC, 1A/250VAC): Alarms of over voltage, under voltage and over current; The ... 48x96mm, 72x72mm; 80x80mm, 96x96mm,120x120mm Programmable three phase voltmeter PZ96-AV3