Genset Model: AC20SD1
Engine Model: Cummins 4B3.9-G2
Alternator Model: Stamford PI144E
Frequency: 50Hz
Winding Connection: 3-Phase, 4-Wire
Protection Class: IP23
Voltage Regulator: AVR
Net Weight: 777KG
Dimession: 1580mm*650mm*1146mm
| MODEL | AC20SD1 | |
| Prime Power (50Hz) | 20 KW | 25 KVA |
| Standby Power (50Hz) | 22 KW | 27.50 KVA |
| Voltage(V) | Hz | Phase | P.F
(cosC) |
Prime Amps (A) | Prime Ratings
(KW/KVA) |
||
| 440 | 254 | 50 | 3 | 0.8 | 32.80 | 20 | 25 |
| 415 | 240 | 50 | 3 | 0.8 | 34.78 | 20 | 25 |
| 400 | 230 | 50 | 3 | 0.8 | 36.09 | 20 | 25 |
| 380 | 220 | 50 | 3 | 0.8 | 37.98 | 20 | 25 |
Prime Power (PRP): Prime power is available for an unlimited number of annual hours in variable load application, in accordance with GB/T2820-97 (eqv ISO8528) ; A 10% overload capability is available for a period of 1 hour within a 12-hour period of operation.
Standby Power Rating (ESP): The standby power rating is applicable for supplying emergency power for the duration of a utility power interruption. No overload, utility parallel or negotiated outage operation capability is available at this rating.
Manufacturer / Model： DCEC Cummins 4B3.9-G2 , 4-cycle
Air Intake System： Air natural cooled
Fuel System：A model fuel pump
Bore and Stroke：102*120（mm）
Compression Ratio： 16.5:1
Cylinder Arrangement： 4 in line
Displacement： 3.9L
Rated RPM： 1500rpm
Max. Standby Power： 27KW/36.7HP
Governor Type： Electronic (Std) / RSV Mechanical(Optional)
| Exhaust system | |
| Exhaust Gas Flow: | 4.27m³/min |
| Exhaust Temperature: | 410°C |
| Max Back Pressure: | 10kPa |
| Air Intake System | |
| Max Intake Restriction: | 5kPa |
| Burning Capacity: | 1.98m³/min |
| Air Flow: | 136m³/min |
| Fuel System | |
| 100%( Prime Power) Load: | 228 g/Kw.h |
| 75%( Prime Power) Load: | 229 g/Kw.h |
| 50%( Prime Power) Load: | 240 g/Kw.h |
| 110%( Prime Power) Load: | 6.3L/h |
| Oil System | |
| Total Oil Capacity: | 11L |
| Oil Consumption: | ≤4g/kwh |
| Engine Oil Tank Capacity: | 9.5L |
| Oil Pressure at Rated RPM: | 345kPa |
| Cooling System | |
| Total Coolant Capacity: | 21L |
| Thermostat: | 82-95℃ |
| Max Water Temperature: | 104℃ |
★Remarks:
1. All the Cummins Generator Set can coupled with 8,12,24 hours basic fuel tank.
2. Each Cummins Generator Set is subjected to a comprehensive test program which includes 50% load, 75% load, 100% load and 110% load.
3. If you need the genset with ATS, silent type, remote control or synchronizing parallel operation, kindly inform of us in advance.
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