... generator. 2,Certificate of ISO9001:2008. Automatic voltage regulator SY-AVR-2058 1,Introduction:Model: 2058 series Introduction ... Input: 400V±20% Max. Output: DC 160V Frequency: 50~60HZ Rated current: DC 5A-DC 20A Voltage Regulation: ±0.5% 2 ... controller, water preheater, generator synchronizer, genset controller, power factor regulator, fuel solenoid, charger for engine start battery, actuator, speed ...