tripp lite's su30k3/3xr5 30kva smartonline 3-phase intelligent true on-line extended runtime ups system has been redesigned to save valuable space and simplify runtime scalability. power and battery components are combined into a single small-footprint module (the smallest in its class). a robust internal battery runtime capability can be easily extended by installing additional optional internal battery packs through the convenient front panel access door. the su30k3/3xr5 features a large internal battery compartment that contains more internal batteries than the equivalent standard-run model (su30k3/3) and more space to add additional optional internal battery packs to extend runtime.primary informationvoltage provided : ac 120/208 v ( 50/60 hz ) voltage required : ac 120/208 v standards : cul nom ul enclosure color : attractive black powerpower provided (w) : 24 kw power provided (va) : 30000 va batterybattery form factor : internal battery / run time : 11 min at full load & connections : rs-232 output connector(s) : hardwire 4-wire & support type : 1 year warranty unspsc codeunspsc code : 39121011