... analysis, 4 logic inputs, 3 relay outputs and RS485 communication. Therefore ACR330EGH can be widely used in ... voltages, line voltages, current, active, reactive and apparent power, power factor etc..; 2, 4-quadrant energies, including active ... : ≤4VAIsolationPower / current input / voltage input: AC2kV/1min; Power / logic inputs / RS485: AC1.5kV/1min; Inputs / outputs / housing >5MΩEnvironmentWorking ...