... long time3.It can successively adjustGeneralTSD series intelligent A C voltage stabilizer, which is developed by our company, adopts ... Company. It has kinds of protections against time-lag, over-voltage, under-voltage, overload and excess temperature and so on, uses hanging ... -270VDelay timeLong 180s, short 5sOutput voltageSingle-phase 220VOverload protection value1.05 times of rated power/60S1.4 times ...