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Huawei Backup Box (Three Phase)


The Huawei Backup Box 3 phase is used in a residential rooftop PV system to monitor the inverter in grid-connected or off-grid state. When the grid fails, the inverter switches to off-grid state and supplies power to off-grid loads in backup mode. When the grid recovers, the inverter switches back to the grid-connected state. The Huawei Backup Box works with the LG Chem HV, or with the Huawei LUNA 2000 battery modules.

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