Open type 50Hz 20kw 25kva Cummins 4B3.9-G1 engine diesel generator set
Rated power 50Hz 20kw 25kva Cummins 4B3.9-G1 engine diesel generator set for sale, driven with DCEC Cummins 4B3.9-G1 diesel engine, coupled with Wuxi Stamford alternator, optional ATS, suits for home usage. Gosun will always be your first choice generator manufacturer from China.
Technical Specifications
GENERATOR SET OUTPUT INFORMATION
| Model No. | Voltage | Hz | Phase & Wires | Power Factor (cosφ) | Standby Current ( A) | Standby Power ( KW / KVA ) | Rated Power ( KW / KVA) |
| 20GF-C50 | 440/254 | 50 | 3 phases 4 wires | 0.8 lagging | 36 | 22/28 | 20/25 |
| 20GF-C50 | 415/240 | 50 | 3 phases 4 wires | 0.8 lagging | 38 | 22/28 | 20/25 |
| 20GF-C50 | 400/230 | 50 | 3 phases 4 wires | 0.8 lagging | 40 | 22/28 | 20/25 |
| 20GF-C50 | 380/220 | 50 | 3 phases 4 wires | 0.8 lagging | 42 | 22/28 | 20/25 |
ENGINE SPECIFICATIONS
ENGINE PARAMETERS
| Manufacturer / Model | DCEC Cummins 4B3.9-G1, 4-cycle |
| Air Intake System | Air natural cooled |
| Fuel System | A model fuel pump |
| Cylinder Arrangement | 4 inline |
| Engine Displacement | 3.9L |
| Bore*Stroke | 102*120(mm) |
| Compression Ration | 16.5:1 |
| Rated Speed (RPM) | 1500rpm |
| Engine Max Power | 27KW |
| Governor Type | RSV Mechanical (Std) / Electronic (Optional) |
FUEL CONSUMPTION
| 100% Load | 245 g/kw.h |
| 75% Load | 260 g/kw.h |
| 50% Load | 296 g/kw.h |
LUBE SYSTEM
| Lube Consumption | ≤ 4 g/kw.h |
| Oil Pressure At Rated Speed | 345 kPa |
ALTERNATOR SPECIFICATIONS
| Number Of Phases | 3 |
| Connection Type | 3 phase 4 wires, Y-type connection |
| Bearing Numbers | 1 |
| Power Factor (cosφ) | 0.8 (lagging) |
| Protection Grade | IP23 |
| Altitude | ≤ 1000 meters |
| Excitation Mode | Brushless, self-exciting |
| Insulation Grade | H |
| Rated Capacity | 25 KVA |
| Alternator Efficiency | 85% |
CONTROL PANEL FEATURES ( DSE7320 MKII AUTO MAINS FAILURE / UTILITY CONTROL MODULE )
Support for O-10 V & 4-20mA oil pressure senders.
Large back-lit icon LCD display.
Heated display option.
3-phase generator sensing.
3-phase generator and mains (utility) sensing
Breaker control buttons on the front fascia.
Generator & load power monitoring (kW, kV A, kV Ar, pf).
Generator overload protection (kW).
Generator/load current monitoring & protection
Configurable analogue/digital inputs.
Configurable DC, volt- free and staged loading outputs.
CAN, MPU & alternator speed sensing ( selectable depending on engine type).
Tier 4 CAN engine support.
DIMENSION & WEIGHT
| Open-type size ( with base fuel tank) | 1760*760*1380 (mm) |
| Gross Weight | 730 kg |
MANUFACTURING STANDARDS
All our diesel generators are designed and manufactured in accordance with international standards, such as EN60O34, BS50O0, IEC34-1, GB755, VDE0530, CSA22.2, AS1359, as well as the requirements of ISO9001 and ISO14O01.
SUPPLY SCOPE
1. Cummins 4B3.9-G1 engine
2. Alternator
3. DSE7320 MKII control panel
4. standard radiator mounted on skid
5. high-grade steel base frame (optional base fuel tank )
6. electronic governor
7. battery charger
8. cranking motor
9. English operation manual, maintenance and test reports.
10. accessories: rubber anti-vibrator, muffler, elbow, expansion joints, battery cables, battery
NOTICE
Pictures associated with this page are for illustration only, they may not reflect the actual product, please contact us to get the actual product image. The above technical specifications are for reference only, we reserved the right to change the configuration without notifying website visitors, please contact our sales or technical team for final confirmation.
