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As a China three-phase meter supplier, we can not only wholesale controlled smart electric energy meter, but also provide high voltage switch.
If you are searching for high voltage switch exporter.We can be your best choice.
Control smart electricity meters enable two-way communication between the meter and the central system.
Three-phase local charge controlled smart electric energy meter is mainly used in power station, large users, distribution transformer...
Older types of electric energy meters are mechanical and use a system of gears and wheels to record electricity consumption.