Detailed Product Description The sound-proof type genset has perfect all-weather service property and the outside steel material features preferable corrosion prevention capability. Special noise elimination setting restrains machinery noise to be lowered below 75dB. Specifications: 1) Output range: 8kW (10kVA) - 400kW (500kVA) 2) Noise level: below to 75dB by 7 meters distance 3) Sound attenuated enclosure: special noise elimination setting restrains the machinery noise and the unit has perfect all-weather service property and the outside steel material features preferable corrosion prevention capability 4) Water-cooled 5) 8hrs operation base tank 6) Key start / auto start 7) Sound-proof / weather-proof canopy is optional 8) 230 / 400V AC, 50Hz / 60Hz, 0.8pF three-phase and four wires alternating current output 9) Frequency: <3% 10) Frequency at stable state: <0.5% 11) Frequency deviation at instantaneous state: ≤+10% 12) Frequency return time: ≤3s 13) Voltage deviation at stable state: ≤?% 14) Voltage deviation at instantaneous state: ≤+20% 15) Voltage return time: ≤4s 16) Voltage modulation: ≤0.3% 17) Standard configuration of gensets: a) Engine: Deutz, Perkins, Steyr, Cummins and Weichai series diesel engine b) Engine type: water-cooled, in line four-stoke, Humit cylinder liner, direct injection c) Alternator: Marathon brushless alternator 18) Control system: a) Automatic alarm system: the unit has the acousto-optics alarm system and arrestor for any situation as the start defeat, the water is over temperature, the oil pulls down, over speed, over load and over current b) Operation display: i) Unit voltage, tri-phase load current and frequency display ii) Water temperature, oil pressure display iii) Fuel level, fuel temperature display iv) Audible and visual alarm lamps and buzzers 19) Starting system: DC alternator is used to start engine 20) Short circuit protection: MCCB air switch 21) Cooling system: combined cooling water tank fitted to meet the requirement of radiation at ambient temperatu