Huawei Backup Box for Hybrid Inverters AC Output (On grid / Backup) ~ AC Input (Inverter) Rated voltage for Single Phase: 220 V / 230 V Rated voltage for Three Phase: 380 V / 400 V AC Output Maximum apparent power (Backup) For Single Phase: 5000 VA For Three Phase: 3300 VA AC Output Maximum output current (Backup) For Single Phase: 22.7 A For Three Phase: 15 A
