Uninterrupted power supply:.Range:1 kVA to 6 kVA in 11, 5 kVA to 60 kVA in 3010, 10 kVA to 200 kVA in 3030. Double conversion technology, Super (maintenance) bypass, Serial and parallel (N+1) redundancy, Self-diagnostic function at start-up, Event logging and messaging, Galvanic Isolation.