... Souneproof , Trailer, Movable, Marine, Gas, Natural gas ,Automatic e) Water-cooled f) Key start / auto start, low noise g) Rated frequency: 50 ... and arrestor for any situation as the start defeat, the water is over temperature, the oil pulls down, over speed, ... Unit voltage, tri-phase load current and frequency display ii) Water temperature, oil pressure display iii) Fuel level, fuel temperature display ...