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.

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