1、High quality generator voltage regulator, long service life. 2、Protection function: built-in low speed, over excitation, over voltage, over current, LAM 3、The adjustment rate is better than 0.5%. 4、High quality capacitor and terminal, superior performance. 5、Professional manufacturing, exquisite workmanship, high reliability. Features: The adjustment rate is better than 0.5%. High quality capacitor and terminal, superior performance. Professional manufacturing, exquisite workmanship, high reliability. Specification: Condition: 100% brand new Input power: 170-220VAC 3-phase 3A (PMG) Adjustment rate: better than 0.5% Package List: Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.