... General PZ96L-AV3 3 phase voltmeter is a kind of programmable electrical digital meter. It can measure 3 phase voltages accurately ... - Measurement: VL1,VL2,VL3 or VL12,VL23,VL31 - PT ratio: Programmable- Voltage: AC 3x120/220V, 3x230/400V, 3x400V overload: 480V (continuous ... and over current; The hysteresis and the delay can be programmable. - Digital options(/K): 2DI/2DO; DI: dry contact Input, ...