... automatic control circuit SVC Single-phase high accuracy full automatic AC voltage stabilizersSVC Single-phase high accuracy full automatic AC voltage stabilizers is ... has advantages of small volume,light weigh,undistorted waveform,high efficiency,reliabli performance,and time-delay,over-voltage,etc, ... 29.5×543515000VA149.2×41×874520000VA149.2×41×8775 High Accuracy Full-automatic AC Voltage Stabilizer