1. Load voltage: Three-phase AC400V, Single-phase AC240V 2. power: Max 100KW (Three-phase 380V), Max 30KW (Single-phase) Functions & ... /under voltage protection threshold value, it can shut off load, terminate discharging and alarm user automatically. -Large LCD ... and over current protection function, it can turn off load, terminate discharging and alarm automatically when over temperature and ...