On-Line UPS delivers pure sine wave output with 0ms transfer time to critical equipment that require seamless power correction. It allows time to save data and safely shut down components in case of an unexpected utility power blackout. Ideal for small data centers, small and medium-sized enterprises, bank branches and other demanding power applications, this UPS effectively protect IT devices from most common power problems, including power failures, power sags, power surges, brownouts, line noise, high voltage spikes, switching transients, harmonic distortion and so on.