APC Symmetra PX 16kVA Tower UPS is a high-efficiency 3-phase UPS scales as your data center grows up to 48kW/48kVA. Suitable for small & medium data center applications. This UPS provides higher availability to the UPS connected loads by giving redundant communication paths to critical UPS functions. It also enhances availability by allowing immediate, seamless recovery from isolated module failures and reduces preventative maintenance service needs by monitoring the health and status of the external batteries and their expected runtime.