Electricity Meter, Latching Relay, Magnetic Latching Relay manufacturer / supplier in China, offering MID Certified Three Phase Bi-Directional RS485 Energy Meter for EV Charging, Advanced Three Phase Bi-Directional Smart Meter, 100A, RS485 Interface, MID En50470 Compliant, Versatile Three Phase DIN Rail Energy Meter: Bi-Directional, MID Certified, RS485 Modbus Ready and so on.