Backup Box-B1 Three-Phase

The Huawei Backup Box-B1 for single-phase home networks ensures power supply even in the event of a power outage. In combination with the M1 inverter series, the backup box enables emergency power operation in the event of a grid failure. Installing and operating the Backup Box for solar systems is very simple. The device supports communication with the inverter simply via a digital input.

On-site installation is simple and safe. The device is protected against weather and environmental influences on the construction site according to IP65. It can be operated in a range from -20°C to +45°C - in other words, in almost any installation. The dimensions of 400 x 350 x 130 mm are compact, so there are no space problems. The entire device weighs 11 kg.

For 380/400V grids
Single-phase emergency output power
3,300VA output
Compact device
Huawei Smart Backup Box-B1 - General Specifications

Operating temperature range: -20 to +45 °C
Relative humidity during operation: 0% RH to 100% RH
Dimensions (W*H*D): 400 x 350 x 130 mm
Weight: 11 kg
Protection class: IP 65

Huawei Smart Backup Box-B1 - AC Output (Grid-connected)

Grid connection: three-phase
Operating voltage: 380V / 400V
AC grid frequency: 50Hz / 60Hz
AC voltage range: 342V ~ 440V

Huawei Smart Backup Box-B1 - AC Output (backup)

Load connection: single-phase
Rated voltage: 220V / 230V
AC frequency: 50Hz / 60Hz
Maximum apparent power: 3300VA
Maximum output current: 15.2 A
Switching time: < 3 sec.

Huawei Smart Backup Box-B1 - AC Input (inverter)

Rated voltage: 380V / 400V
AC frequency: 50Hz / 60Hz
Compatible inverters: SUN2000-/3/4/5/6/8/10KTL-M1