... start 5.Surge protection UPS systems, Uninterruptible power supply, UPS power supply with large power capacity ,Online UPS Features: No breaks, SAI ... , USV, Uninterruptible power sourceIncluding High frequency online ups :1-10KVA( single phase in, single phase out)10-20kVA(three ... in, single phase out) High Frequency online UPS with output transformer: 6-10kVA(single phase in, single phase out) 10 ...