Rated Power(kw)

20

22

24

36

Engine Model

Cummins 4B3.9-G1

Cummins 4B3.9-G1

Cummins 4B3.9-G1

Cummins 4BT3.9-G1

Engine Type

Vertical,in-line,water-cooled,4-stroke

Vertical,in-line,water-cooled,4-stroke

Vertical,in-line,water-cooled,4-stroke

Vertical,in-line,water-cooled,4-stroke

Rated Output(Kw)

20

22

24

24

Max.Output(kw) 

22

24

26

36

Governing method

Mechanical/Electronic

Mechanical/Electronic

Mechanical/Electronic

Mechanical/Electronic

Induction system

Naturally aspirated

Naturally aspirated

Naturally aspirated

Naturally aspirated

Oil Capacity(L)

8.2

8.2

8.2

8.5

Displacement(L)

2.78

2.78

2.78

2.99

Cylinder Numbers

2.8

2.8

2.8

3

Fuel consumption(g/kw-h)

195

195

195

205

Cooling Starting Method

Closed water cooled/Electric Start

Closed water cooled/Electric Start

Closed water cooled/Electric Start

Closed water cooled/Electric Start

Generator Model

STF-20 Brushless

STF-22 Brushless

STF-24 Brushless

STF-30 Brushless

Rated Output(Kw)

20

22

24

30

Rated Capacity(kva)

25

28

30

36

Rated Voltage(V)

380,400,415/200,208,220

380,400,415/200,208,220

380,400,415/200,208,220

380,400,415/200,208,220

Frequency(Hz)

 50/60

 50/60

 50/60

 50/60

Power Factor cos

0.8lagging

0.8lagging

0.8lagging

0.8lagging

Phase/Connection

3-phase 4-wire Y type connection

3-phase 4-wire Y type connection

3-phase 4-wire Y type connection

3-phase 4-wire Y type connection

Excitation

Brushless Excitation

Brushless Excitation

Brushless Excitation

Brushless Excitation

Voltage Regulation

A.V.R

A.V.R

A.V.R

A.V.R

Welder Model

ZX7-300

ZX7-350

ZX7-400

ZX7-500

Output Current(A)

40-300

40-350

40-400

40-500

Net Weight(kg)

520

520

520

520

Packing size: L×W×H(mm)

1600×750×1250

1600×750×1250

1700×750×1250

1900×750×1250