... , ENGGA brushless alternator) 3 Phase 4 Wire, Brushless, H class Insulation, Self-Exited ,IP23 Protection, AVR regulation, Voltage deviation: ... as standard, digital auto-start panel is optional9) 10-hour operation base tank10) Optional open type or silent type ... Excellent ventilation2. Oil tank mounted on base frame for 10 Hours working3. Highly Corrosion Resistant construction4. Excellent Access for ...