New Generation TND Series Single phase Two wire Voltage Stabilizer(Servo motor structure) is consist of The control system is composed of linear integrated circuit, which controls the servo motor, drives the contact voltage regulator to adjust the voltage automatically, and has time delay, overvoltage, undervoltage and overcurrent protection functions. The product has high efficiency, the input and output voltage waveforms are the same, and the output voltage is smooth, stable and reliable --A new generation of "AC voltage regulator", Rated power 0.5~30KVA ---high-precision automatic AC voltage regulator designed with aesthetic thinking. ---Appearance design: 3D large R angle, circular gradual change vent, convenient integrated terminal block and LED technology blue light