High-efficiency 3-phase ups that features advanced product features, competitive specifications, and robust electrical design, making business continuity easy in includes: dust filter, installation guide high-efficiency 3-phase ups that features advanced product features, competitive specifications, and robust electrical design, making business continuity easy in the data center or electrical room. This is an exceptionally easy to install, operate, maintain, and service 15 kva ups, ideal for small and medium businesses. Includes dust filter and conformance-coated boards for harsh environments. This ups is for internal batteries, but is supplied without batteries, so you can easily customize the battery runtime. For battery runtime details, see the runtime charts published under the documents tab.Includes: dust filter, installation guide. Features ups topology double-conversion online output power capacity 15 kva output power 15000 w waveform pure sine input operation voltage min 304 v input operation voltage max 477 v input frequency 45 65 hz output operation voltage min 380 v output operation voltage max 415 v output frequency 50 60 hz maximum current 28 a number of input phases 3 number of output phases 3 efficiency 94.5% Input power factor 0.99 Eco mode yes emergency power off epo yes output voltage total harmonic distortion thd 3% noise level 60 db ports & interfaces smartslot yes smartconnect port no battery battery technology sealed lead acid vrla battery voltage 24...