Huawei Back-up Box 3-gear For backup power management

Accessory for Huawei Inverters: Automatic changeover switch - The perfect solution for managing backup power during power outages!

The automatic changeover switch of Huawei inverters is a first-class accessory that guarantees the use of the battery as backup power during power outages. This innovative device ensures an uninterrupted power supply to your home or business, so you can enjoy peace of mind knowing that important electrical equipment will remain operational even during power outages.

Note 1-phase backup power, see technical data.

Key Features

- Single-phase backup power: Perfect for households and small businesses.
- Easy installation and use: You can count on quick and effortless commissioning.
- Fast changeover time: A changeover time of less than 3 seconds guarantees a seamless transition between the network and backup power.

Technical information:

- Voltage type: AC
- Voltage: 230 V
- Number of stages: 3
- Dimensions: Width 400 mm, Height 350 mm, Depth 130 mm
- Weight: 11 kg
- Operating temperature range: -20 ... 45 °C

Technical Summary

AC Output (On grid):
- Mains connection: Single-phase / Three-phase
- Nominal voltage: 220 V / 230 V / 380 V / 400 V
- AC frequency: 50Hz / 60Hz
- AC output voltage range: 198 V ~ 253 V / 342 V ~ 440 V

AC Output (Backup):
- Load connection: Single-phase
- Nominal voltage: 220 V / 230 V
- AC frequency: 50Hz / 60Hz
- Maximum apparent power: 5,000 VA (Backup Box-B0) / 3,300 VA (Backup Box-B1)
- Maximum output current: 22.7 A (Backup Box-B0) / 15.2 A (Backup Box-B1)
- Changeover time: ＜3 s

AC Input (Inverter):
- Nominal voltage: 220 V / 230 V / 380 V / 400 V
- AC frequency: 50Hz / 60Hz
- Compatible inverter: SUN2000-2/3/3.68/4/4.6/5/6KTL-L1 (Backup Box-B0) / SUN2000-3/4/5/6/8/10KTL-M1 (Backup Box-B1)

General Features:
- Operating temperature range: -20 ℃ to +45 ℃ (-4 ℉ to 113 ℉)
- Relative humidity range: 0%RH - 100%RH
- Dimensions (W x H x D): 400 x 350 x 130 mm (15.8 x 13.8 x 5.1 inches)
- Weight: 11 kg
- Protection class: IP 65

Perfect Choice for Huawei Inverter Systems

The automatic transfer switch is designed to be compatible with Huawei SUN2000 inverters, offering an efficient and reliable solution for backup power management. It is the perfect choice if you are looking for security and reliability in case of power outages.