Features Automatic Voltage Adjustment - The Automatic Voltage Regulator ensures optimal generator output voltage by ly controlling the excitation current for reliable performance High Voltage Stability - Designed for 220/380/400VAC brushless generators, this regulator provides consistent voltage stability, enhancing the efficiency and longevity of your generator Comprehensive Protection Features - Equipped with low frequency protection and a slow voltage building function, this unit safeguards your generator from damage during Features: 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. Specification: 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: between±0.5% Output current: 20ADC Select 50/60Hz with jumper wire Package list: 1 x Automatic Voltage Regulator Package List