The Sentinel RT single-phase UPS line offers true online, double conversion technology for maximum power protection and a clean sine wave output. Rated for 115/120/127 VAC, the 60 Hz models have capacities of 1, 1.5, 2, 3, 6 and 10 KVA. The interruptible power supply protects equipment against a full range of disturbances, including outages, sags, surges and noise. It also improves energy efficiency and minimizes power losses due to the power factor equal to 1. Several function modes like online, smart active and standby off help ensure energy efficiency and full protection.