Supply 20 kilowatts Cummins diesel generator set 4B3.9-G2 price quote detailed description of Fukang Si power - unit parameters Unit Type FKS-C22 prime power KW 20 KVA 25 Voltage 400V Frequency 50HZ speed 1500rpm power factor 0.8 (lagging) Weight 876kg Dimensions (L * W * H) 1800 * 750 * 1350 (mm) Brand Cummins Diesel Diesel Diesel parameter model 4B3.9-G2 Number of cylinders 4 in line 4-stroke cycle turbo intake system acts Bore * 102 * 120 (mm * mm) displacement 3.9L engine maximum power 27Kw / 36.7HP compression ratio of 16.5: 1 speed control system Electrical Cooling System Water-cooled motor parameters Phase 3 3-phase 4-wire connection bearing the number 1 Protection class IP23 Altitude ≤1000m excitation mode Brushless, self-exciting Insulation Class / temperature rating H / H Telephone Influence factor TIF <50 telephone harmonic coefficients THF <2% steady-state voltage regulation <± 1% generator capacity 27.5Kva generator cooling air flow efficiency 86.60% 0.15 ? m / s controller start / stop control of the three AC power meter frequency meter / water temperature / pressure gauge / Schedule / battery voltage meter alarm function: speed, high water temperature, low oil table, charging failure protection function: low oil pressure, high temperature, speeding, parking and other preset emergency protection 20 kilowatts Cummins diesel generator set 4B3.9-G2 price quote product information