Principle & Characteristics It adopts linear integrated circuit to form the control system, drive the contact voltage regulator to regulate automatically by controlling the servo motor, it is provided with delay、over-voltage、under-voltage and over-current protection function which ensure the voltage stabilizer can supply safely; It has the advantage of high efficiency、same input and output voltage wave form, stable output voltage, work continuously and so on. Application It is available in the electric equipments and facilities in housing、factory、school、shop、office、precision instrument for scientific experiment. And also is suitable for office equipment、test instrument、communication system、industrial equipment、domestic electric appliance and so on.