... Series N+X Parallel Redundant UPS Mode:HT6K-HT400K Capacity:6KVA-400KVA Uranus Series N+X Parallel Redundant UPS ... and timely warning in advance, with the ... range, greatly reduces the frequency of battery using, ... Overload AbilityUsing the pure-online double conversion technology, ... ≤1%,Imbalance load≤3%Phase shift angleBalance load ... signalDry contact ( battery low, battery discharging, bypass/fault ...