Family of UPS (uninterruptible power supply) or English UPS (Uninterrumpible power supply) of the Compact 1U Series Rack 19 \ format." The SAI of the Compact 1U series is based on technology online, it ie you get a professional electrical signal with pure sine wave and a better response time electrical problems. Doe protect the maximum electrical equipment connected to SAI. Range consists of different capacities to suit every need charging.