Online UPS power supply Phase: 3 phase in and single phase out Power range:20KVA-50KVA Output isolation transformer, RS232 Name : Online low frequency UPS power supplyModel NO.:FR-UK3120,FR-UK3130,FR-UK3140,FR-UK3150Topology : online double conversionPhase : three phase in and single phase outPower Range : 20KVA, 30KVA, 40KVA, 50KVAApplication : computer room, data center, precision instrument, ...