Electricity Meter, Latching Relay, Magnetic Latching Relay manufacturer / supplier in China, offering 3 Phase Rail Digital Meter with Multi Rate Electricity Meter Modbus RS485 Power Meter Smart Energy Meters En50470-1/3, 100A Intelligent Energy Meter with Bidirectional Metering RS485 MID Nmi Approved, Bidirectional Metering Three Phase MID Electricity Power Meter with Built in Battery RS485 and so on.