... bypass 4. UPS, ECO, EPS Mode Three Phase Double Conversion Online Uninterruptible Power Supply Manufacturer 1.Brief introduction CHP3000 ... . 2.Main featuresPure sine wave output,true online double conversion 7 inch colour LCD Can be set to ... efficiency>95%(full load)bypass Switching time0ms(adopted static switch )protectioninputvoltage,frequency ultralimit,phase wrong,phase lost outputovercurrent, ...