1、Input and Output: The voltage regulator board power input is 170‑220VAC, 3 phase 3A (PMG), the sensing detection range is 190‑264VAC 2 phase or 3 phase output. 2、Circuit Protection: The voltage regulator has built in low speed, over excitation, over voltage, over current, LAM protection, with high voltage regulation rate. 3、Red Capacitor: This automatic voltage regulator board has red capacitors, which has stable and reliable performance and a wide range of applications. 4、Voltage and Current: The maximum voltage of the regulator board is 120VDC, the continuous current is 3.7A, and the instantaneous current is 6A within 10 seconds. 5、For Brushless Generator: The voltage regulator plate has a compact structure, and convenient for connection, and is a good accessory for brushless generator accessory.