... to max. 400V voltage systemEnergy accuracy is in accordance with IEC62053-21, class 1Accuracy of voltage and current measurement ... low voltage system. Devices offer one RS485 serial to link with PLC, PCs, and SCADA system etc.Applications:Control panels, low ... , remote control, remote metering and remote sensing*Compact design with full measurement*Communication RS485 Modbus*Power supply: 85~265VAC, ...