... scale exchange, supermarket POS machines, workstation and peripheral devices Line interactive UPS rackmount, with pure sine wave output, capacity 1kva-3kva ... PF 0.6, LCD display, with full protection. Line interactive UPS with pure sine wave outputMicroprocessor-based digital controlWide input ... overload, short circuit and othersHigh speed of in-phase transferNo load shut off function in inverter mode ...