1、The Automatic Voltage Regulator realizes the automatic adjustment of the generator output voltage by controlling the excitation current of the generator. 2、High voltage stability, suitable for 220/380/400VAC brushless generator. 3、Low frequency protection and slow voltage building function. 4、Built-in high breaking capacity fuse for better protection. 5、The voltage regulator uses flame retardant and high temperature resistant components to guarantee safety use. Features:  The Automatic Voltage Regulator realizes the automatic adjustment of the generator output voltage by controlling the excitation current of the generator. High voltage stability, suitable for 220/380/400VAC brushless generator. Low frequency protection and slow voltage building function. Built-in high breaking capacity fuse for better protection. The voltage regulator uses flame retardant and high temperature resistant components to guarantee safety use. Specification: Model: GAVR-20B Voltage regulation rate: <± 0.5% Output current: 20ADC Select 50/60Hz with jumper wire   Package list: 1 x Automatic Voltage Regulator