... capacity(A)2030406080101121Working6pulse (12 pulse option)rectifierPhaseThree phase +N+GVoltage380VAC±25%Frequency50Hz±5%,60Hz± ... three phase in and out online UPS, mainly for the IT device, date center, precision Instrument, bank ,Intelligent equipment, Securities electric ... factory ,traffic, industry and so on Industrial three phase ups 50KVA