GEESYS PFC Online UPS is an Uninterruptible Power Supply incorporating Double-Conversion Technology. The double conversion principle eliminates all power disturbances in the Mains supply. GEESYS PFC Online UPS provides an independent, no break source of clean, stable, transient free uninterrupted power supply with output neutral bonded to the ground, this protects critical loads against power line disturbances and loss of commercial power. The UPS gives an accurately controlled sine wave AC output without any line disturbances. It provides regulated Sinusoidal Output Voltage under several input conditions such as power failure, surge, sag, spikes, noise, frequency instability and harmonic distortions. The true advantage of the GEESYS PFC Online UPS is its ability to provide an electrical firewall between the incoming utility power and your sensitive electronic equipments.