MMA Series

MMA Series IGBT Inverter DC Manual Welder

Product Name：MMA Series IGBT Inverter DC Manual Welder

Product Type：MMA-250

1.Adopting advanced inverter technique and excellent imported raw material, high working efficiency, small in size and light in weight.

2.High frequency pressurization arc starting pulse heat arc starting design which is easy for arc starting, wide range for current adjusting and superior of cost performance.

3.Protection equipment is set internally to prevent over heat, over current, lack of voltage etc. to ensure safety operation.

4.Unique design of output characteristic, suitable for wire-added welding and esthetic welding seam.

5.Strong adaptability to grid, high duty cycle and suitable for continuous working of factor.

6.Simple structure, excellent technics, durability, reliability and easy maintenance.

7.Ideal equipment to weld stainless steel, carbon steel, pure copper (red copper) etc.

8.One machine serves several purposes and stable performance, high efficiency and energy saving.

9.Adopting passive power factor correction technique, and high in power factor.

MAIN TECHNICAL PARAMETERS

MMA-250

MMA-315

MMA-400

MMA-500

MMA-630

Input power voltage(V)Frequency(Hz)

Three phase 380V 50/60Hz

Rated Current(A)

250

315

400

500

630

Rated Input Capacity （kVA)

10

12

16

20

32

Open Circuit Voltage（V）

57±5

57±5

57±5

57±5

67±5

Electrodes

J421,J422,J506,J507,stainless steel,cast iron,copper,aluminum ETC.

Electorde Diameter(mm)

1.6-4.0

1.6-5.0

1.6-5.0

1.6-6

10 or（5X20）

Current Adjusting Range(A)

20-250

20-315

20-400

20-500

30-630

Input Voltage(V)

380±10%

380±10%

380±10%

380±10%

380±10%

Output Cable Length(m)

≤100

≤100

≤100

≤100

≤100

Power factor

0.9

0.9

0.9

0.9

0.9

Efficiency

90%

90%

90%

90%

90%

Input Phase Current When Open Circuit

019A

Self-Protection

Have default phase,over-voltage,low-voltage,over-heat self protect functions.

Overall dimension(mm)

436*202*319

436*202*319

436*202*319

436*202*319

436*202*319

Weight(KG)

12.8

12.8

12.8

12.8

12.8

Insulation Class

F

F

F

F

F

Protection Grade

IP21

IP21

IP21

IP21

IP21

Display

LED Digital Display

LED Digital Display

LED Digital Display

LED Digital Display

LED Digital Display