Reference voltage 3x220/380V, 3x230/400VNormal working voltage 0.8Un~1.2Un
Reference frequency : 50Hz, 60Hz.
Power consumption 10W/30VA (Include communication module) Local Communication: RS485, Optical port, RS232 Remote Communication: Ethernet port, modem (GPRS or WCDMA) Meter Communication: RF or PLC Maximum meter : 1024 meter Weather proof protect: IP54