# Huawei | LUNA2000 Backup Box | Single-phasis | Backup Box-B0

- **Brand:** Huawei
- **SKU:** 559-689725633c7d2
- **Price:** 425.61 EUR
- **Availability:** In stock
- **Categories:** Battery Energy Storage

The Huawei Backup Box-B0 is a reliable backup power module designed for integration with Huawei's single-phase SUN2000-L1 series inverters and LUNA2000 battery systems. In the event of a grid failure, it automatically switches the inverter to off-grid mode within 3 seconds, ensuring uninterrupted power supply to essential loads. Once the grid is restored, the system seamlessly returns to normal operation.

**Specifications:**

**Model**: Backup Box-B0

**Function**: Automatic backup power switch for single-phase Huawei inverters

**Compatible Inverters**: Huawei SUN2000-2/3/3.68/4/4.6/5/6KTL-L1

**Compatible Battery**: Huawei LUNA2000 series

AC Input (Grid)

**Connection**: Single-phase

**Rated Voltage**: 220 V / 230 V

**Frequency**: 50 Hz / 60 Hz

**Voltage Range**: 198 V – 253 V

AC Output (Backup)

**Connection**: Single-phase

**Rated Voltage**: 220 V / 230 V

**Frequency**: 50 Hz / 60 Hz

**Maximum Apparent Power**: 5,000 VA

**Maximum Output Current**: 22.7 A

**Switchover Time**: < 3 seconds

General Data

**Operating Temperature Range**: –20°C to +45°C

**Relative Humidity**: 0% to 100%

**Protection Degree**: IP65

**Dimensions (W × H × D)**: 400 mm × 350 mm × 130 mm

**Weight**: 11 kg

## Specifications

| Spec | Value |
| --- | --- |
| Phase type | single-phase |
| Inverter type | hybrid |