24 KW 30 KVA Cummins Diesel Genset

Manufacturer:

DCEC Cummins

Model:

4B3.9-G2

Standby Power:

30KW 

Rated Speed:

1500（r/min）

Cycle:

4 stroke

Cylinder Arrangement:

4 in line

Displacement:

3.9L

Bore and Stroke:

102*120（mm） 

Compression Ratio:

16.5:1

Governor Type:

RSV Mechanical(Std) / Electronic (Optional) 

Start battery voltage:

24V DC

Air Intake System

Air Intake System:

Air natural cooled

Max Intake Restriction:

5kPa

Burning Capacity:

1.98m3/min

Air Flow:

136m3/min

Exhaust Gas Flow:

4.27m3/min

Exhaust Temperature:

410℃ 

Max Back Pressure:

10kPa

Fuel System:

A model fuel pump

100%( Prime Power) Load:

228g/kwh

50%( Prime Power) Load:

243g/kwh

Total Oil Capacity:

11L

Oil Consumption:

≤0.4g/kwh

Engine Oil Tank Capacity:

9.5L

Oil Pressure at Rated RPM:

345kPa

Cooling Way:

Water-cooled

Total Coolant Capacity:

21L

Thermostat:

82-95℃ 

Max Water Temperature:

104℃ 

Manufacturer:

STARLIGHT/ 
STAMFORD/ 
SIEMENS/ 
MARATHON/ 
ENGGA / 
KEPU

Excitation Mode:

time harmonic wave excitation

Number of phase and Access Act:

3-phase 4-wire

Connecting Type:

"Y" type connecting

Alternator Capacity:

30KVA

Alternator Efficiencies:

95％

Overload:

（PRP）110% load can run 1h

Protection Level:

IP22-IP23

Insulation Class, Temperature Rise:

H/H

Telephone Influence Factor (TIF):

＜50

THF:

＜2%

Voltage Regulation, Steady State:

≤±1%

Air Cooling Flow:

2.69m3/s

Altitude:

≤1000m

Voltage Regulation:

≥±5%

Voltage Regulation, Stead State:

≤±1%

Sudden Voltage Warp (100% Sudden Reduce):

≤+25%

Sudden Voltage Warp (Sudden Increase):

≤-20%

Voltage Stable Time (100% Sudden Reduce):

≤6S

Voltage Stable Time (Sudden Increase):

≤6S

Frequency Regulation, Stead State:

≤5%

Frequency Waving:

≤1.5%

Sudden Frequency Warp (100% SuddenReduce):

≤+12%

Sudden Frequency Warp (Sudden Increase):

≤-10%

FrequencyRecoveryTime(100%SuddenReduce):

≤5S

FrequencyRecoveryTime(Sudden Increase):

≤5S

Engine

Alternator

Heater 2KW & 4KW

Anti Condensation Heater

Battery Charger 3.5A & 7A

Permanent Magnet Generator（PMG）

Water Separator

Drop CT（For Paralleling）

Daily Fuel Tank

Fuel Level Sensor

Control System

Others

Remote Control Panel

Rainproof Type

Auto Transfer Switch (ATS)

Soundproof Type

Paralleling System

Trailer Type

Open Type

Overall Size

Weight

1600(mm)*750(mm)*1200(mm)

700(kg)

Overall Size

Weight

2230(mm)*1060(mm)*1680(mm)

1350(kg)