... to PC and Server, just like 20 kva UPS power system, no need to change, low ... cost Rectifier Moduletheory for the UPS replacement by 240V DC system Parameter details : ... to configurationMain Features: (1) modular design characteristic of switching power supply (2) redundancy hot standby ( ... be customized accordingly. New generation of 20kva ups - 240V DC system, low cost, high reliability ...