... long time3.It can successively adjustGeneralTSD series intelligent A C voltage stabilizer, which is developed by our company, adopts 8 ... It has kinds of protections against time-lag, over-voltage, under-voltage, overload and excess temperature and so on, uses hanging ... value100°C Frequency50Hz/60HzAdjusting timeLess than 1s (when input voltage has a change of 10%)Ambient temperature-5 °C ...