
Dynamic Load Balancing Box
Smart EV charging management
EM3 is used for EVE series AC EV charging stations, or other chargers compatible with the EM3 Box. When the EV charging station works simultaneously with other household appliances, EM3 Box can maintain the dynamic balance of the total household current, ensuring household safety and avoiding overloading of the grid.
If PV CT is installed, the EM3 Box can achieve multiple modes of use for both the grid and PV.
PV Mode: Almost no electricity is obtained from the grid.
Min+PV Mode: Minimal grid power and solar energy to meet the minimum 6A charging requirement for EV.
Fast Mode: Charge the EV as fast as possible based on the load of the grid and the current setting of the charging station.
1 / 3 -phase EM3 Box
Rated Voltage: AC110V~240V/400V
Input Frequency:50/60Hz
Standby power consumption:<1W
RF wireless distance:120m
RF wireless frequency:868/915MHz ( 868MHz )
Current collection: CT
Max. measurable current:100A
We Strive For Alternative Energy

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Powering Qatar’s EV Future – Are You Ready?
Powering Qatar’s EV Future
WATT EV is rapidly expanding its charging network across Qatar, bringing reliable and accessible stations to highways, commercial hubs, residential areas, and key public locations.
As the nation moves toward cleaner mobility, WATT EV ensures drivers have fast, secure, and convenient charging wherever they go. From home chargers to high-performance public stations, we’re powering Qatar’s electric future with innovation and dependability.