Automatic Detection & Switchover

Ensures an uninterrupted power supply by smoothly switching to backup power during grid outages.

Simple & Reliable

Designed for ease of use and reliability, ensuring that your energy needs are met without hassle.

Versatile Compatibility

Compatible with a range of inverter models, making it a flexible choice for various installation setups.

Backup Box Models:

Backup Box-B0 (Single Phase Connection)

Backup Box-B1 (Three Phase Connection)

AC Output (On-grid)

Grid Connection:

B0: Single Phase

B1: Three Phase

Rated Voltage:

B0: 220 V / 230 V

B1: 380 V / 400 V

AC Frequency: 

50Hz / 60Hz

AC Output Voltage Range:

B0: 198 V ~ 253 V

B1: 342 V ~ 440 V

AC Output (Backup)

Load Connection: Single Phase (Both B0 & B1)

Rated Voltage: 220 V / 230 V (Both B0 & B1)

Maximum Apparent Power:

B0: 5,000 VA

B1: 3,300 VA

Maximum Output Current:

B0: 22.7 A

B1: 15.2 A

Switchover Time: ＜3 seconds

AC Input (Inverter)

Rated Voltage:

B0: 220 V / 230 V

B1: 380 V / 400 V

Compatible Inverter Models:

B0: SUN2000-2/3/3.68/4/4.6/5/6KTL-L1

B1: SUN2000-3/4/5/6/8/10KTL-M1