• HUAWEI Back Up Box B0 - for the L1 series of inverters

2625.77
2625.77
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Huawei Backup Box B0

Backup power module for Huawei L1 series three-phase inverters.

The Backup Box B0 is used in rooftop PV systems to control the grid and island operation status of a Huawei L1 series three-phase inverter.

In the event of a grid failure (power failure), the inverter switches to the islanded operation state and supplies power to loads not connected to the grid in backup power mode.

When installing the Backup Box B0 outdoors, avoid exposing it to direct sunlight.


It is recommended that it is installed in a sheltered location or that a cover is installed on it. An SPD surge protector must be installed in the circuit of the Backup Box B0 on the mains side.

Basic features: Backup power module for Huawei L1 series three-phase inverters Separate single-phase circuit, maximum power 5kVA , IP 65, weight 11.00 kg. Compatible with Huawei inverters model L0 and L1 Reliable 1-phase backup power supply Automatic detection of mains power failure and switching to battery Maximum apparent power 5.0kVA

  Technical data: AC output - LV mains: Installation - 1-phase Rated voltage - 220VAC/230VAC Rated frequency - 50Hz/60Hz AC voltage range - 198VAC - 253VAC AC output - BACKUP: Installation - 1-phase Rated voltage - 220VAC/230VAC Rated frequency - 50Hz/60Hz Maximum power - 5.0kVA Maximum current - 22.7A Switching time <3s AC input - inverter: Rated voltage - 220VAC/230VAC Rated frequency - 50Hz/60Hz Compatible inverters - SUN2000-2/3/3.68/4/4.6/5/6KTL-L1 Operating temperature range -25° C to + 45°C Relative humidity 0-100% Dimensions 400x350x130 mm Weight - 11.00 kg Watertightness - IP65