Online UPS. Classification: VFI-SS-111. Without internal batteries. With electronic bypass. Powerful, highly efficient UPS with 3-phase input and output for the protection of IT and industrial applications. Efficiency up to 96% in online operation and >99% with ESS / VMMS technology. Hot Sync parallel switching capability can be upgraded for real redundancy. Extremely low harmonic content thanks to IGBT rectifiers (THD(i) <3-5%). Output power factor 1.0, therefore suitable for modern server and computer power supplies. User-friendly graphic LCD touchscreen. 2 mini slots for optional communication cards (1x SNMP card is already pre-installed). etc.. ABM (Advanced Battery Management). Up to 50% longer battery life. Software suite included. Input/output as fixed connection. Manual bypass included