Feature 1 Highquality capacitor possess good parameter consistency and high reliability 2 Possess high accuracy, wide range of working temperature, small drift and good stability 3 The potentiometer adjusted smoothly and not easily damaged, very practical 4 Made of highquality plastic material, possess strong corrosion resistance and stable structure 5 Brushless generator automatic excitation voltage regulator module is durable, light weight, and is a good insulatorItem Type: Generator Automatic Voltage Regulator BoardMaterial: Plastic, brassModel: AS440Detection and Power Input: Voltage 120(100-130V) or 240 (190-264V) VAC single-phase two-wire to bridge the brass sheetSelect Frequency: 50/60HzMagnetic Field Output: Maximum 90VDC at 207VAC input voltageCurrent: Continuous 4A, 7.5A within discontinuous 10 seconds Minimum Resistance: 15Voltage Regulation Rate: <1%Engine Speed Changes: Within 4%Slow Voltage Build-up Time: 2 SecondsPower Consumption: Maximum 10watts Package List1 x Generator Automatic Voltage Regulator Board1 x User Manual