Features: 1EXCELLENT PERFORMANCE: Possess strong stability, low noise, low power consumption, super static pressure, bring the ultimate atomization enjoyment 2VOLTAGE CONTROL: The automatic voltage regulator(AVR) is an advanced electronic component that provides closed loop control of the output voltage of a generator 3EXCITATION PART: Three phase automatic voltage regulator for brushless generator AVR R450M is a half wave phase controlled thyristor type automatic voltage regulator that forms part of the brushless generator excitation system 4SAFE CONTROL: In addition to regulating the generator voltage, the AVR circuit includes underspeed and induction loss protection to ensure safe and reliable control of the generator 5HOW IT WORKS: By using a skilled semiconductor in the AVR power circuit, a positive voltage is ensured from the residual level, which is connected with the main stator winding and the exciter exciting winding Package included: 1 x Automatic Voltage Regulator 1 x User Manual