1、The product stop fluctuation of voltage, automatically maintaining generator output terminal voltage at a set value 2、Works for preventing generator from suffering damages of voltage fluctuation or over load 3、Automatic voltage regulator board is suitable for high levels of vibrations and harsh environments 4、The board of the regulator is made of flame retardant and high temperature resistant material, safe and durable 5、Allowing the user control the generator's output finely for the connection of a remote voltage trimmer Item Type: Automatic Voltage Regulator Board Model: R450 Detection Input: Voltage 95-480VAC Power Input: Voltage 40~150VAC three-phase Magnetic Field Output: Maximum 160 VDC when the voltage is 120VAC input, the maximum power supply is 10A Pressure Regulation Accuracy: <±0.5%RMS (engine speed change within 4%) When a short circuit occurs, the excitation current will be reduced to less than 1A in 10 seconds F1 is connected to X1 road, F2 is connected to Z2 road. 10A; slow-250V F0-110V terminal = 95 to 140V 0-220V terminal = 170 to 260V 0-380V terminal = 340 to 528V 1 x Automatic Voltage Regulator Board 1 x User Manual