40kW 50kVA Diesel Generator Set, Cummins 4BTA3.9-G2, 50 Hz

Mar 07, 2025

Product Name: 40kW 50kVA Diesel Generator Set, Cummins 4BTA3.9-G2
Rated Power: 40kW, 50kVA
Standby Power: 44kW, 55kVA
Fuel Type: Diesel
Engine: Cummins 4BTA3.9-G2
Cylinder Number: 4 Cylinders
Alternator: Stamford UCI224D
Rated Frequency: 50 Hz
Rated Speed: 1500 RPM
Output Voltage: 230/400V
Rated Current: 72A
Noise Level: 70-75 dB (Silent Type), 90-110 dB (Open Type)
Power Factor: 0.8 (lagging)
Phase/Wires: 3 Phase, 4 Wires
Start Mode: Electric Start
Fuel Consumption: 210 g/kWh at 100% load
Protections: Low oil pressure, High water temperature, Over-speed, Over-current
Gross Weight: 950 kg
Dimensions: 1800*750*1200 mm (L x W x H)

Engine Specifications

Brand	Cummins
Model	4BTA3.9-G2
Cylinder Number	4 Cylinders
Cylinders Layout	In-line
Fuel Type	0# Light Diesel
Cooling Method	Low Temperature Aftercooling
Overload Capability	110%
Engine Power	50 kW, 62.5 kVA
Start Mode	DC 24V Electric Start
Cylinders Layout	In-line
Displacement	3.9 L
Speed Governing	Electric
Steady Speed Droop	≤1%

Alternator Specifications

Brand	Stamford
Model	UCI224D
Protection	IP23
Frequency Fluctuation	≤ ±0.5%
Voltage Fluctuation	≤ ±0.5%
Power	40 kW, 50 KVA
Rated Voltage	230/400V
Frequency Regulation	≤ ±0.5% (stable)
Voltage Control	AVR