MM 322

Electromechanical power sources for MIG/MAG welding

DC power source, with separated wire feeding unit, for MIG/MAG welding. Welding current is adjusted stepwise, electromechanically. Use in medium-to-light structural steel works.
Welding process
  • MIG/MAG
Technology:
  • Traditional
  • Three-phase
Manufacturing standard
  • EN 60974
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The MM are three-phase electromechanical generators for seam welding (MIG/MAG) with separate electronically controlled wire feeder.

WHAT SETS IT APART

These are extremely strong, reliable and easy to use welders. They are idea for light, medium and heavy metal work, depending on the model. All the magnetic coils are made from the best quality copper and cooled by forced ventilation. This gives excellent performance with a 60% work cycle. A temperature probe protects the internal components. The voltage change terminal block inside the machine permits changing the supply voltage. The progressive position change, 21 positions for the MM 282-322 and 28 positions for the MM 382-452, permits a wide range of setting parameters for welding. The wire feeder with 2-roller TM2 or 4-roller TM4 gives smooth and constant rod flow, thanks to the control board and the 50W and 100W motors installed. On request they may be fitted with digital volt/ammeter. On request, a CW5 gun-cooling unit may be installed. The connection extensions between the machine and wire feeder are available in standard lengths of 4, 10, 15 and 25 m. air or water. Special measurements are available on request.

Main voltage 3x230/300/400/520 V
50-60 HZ
Delayed line fuse 50 A - 230 V
32 A - 300 V
25 A - 400 V
25 A - 520 V
Max. absorbed power 14.5 kVA
EFFICIENCY ɳ 79%
IDLE STATE 120W
Current range 30÷320 A
Number of switch step 3x7
Duty factor 60% 320A
100% 240A
No-load voltage 15.6÷38.6 V
Ø MIG/MAG wire 0.8 - 1.0 - 1.2
Protection class IP21S
Weight 155 kg
175 kg complete configuration
Dimension (WxDxH) 530x1060x730 mm
590x1060x730 mm complete configuration
EQUIVALENT MODELS no equivalent models
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VARIANTS

Main voltage

Delayed line fuse

Max. absorbed power

Current range

Duty factor

No-load voltage

MM 322

3x230/300/400/520 V
50-60 HZ

50 A - 230 V
32 A - 300 V
25 A - 400 V
25 A - 520 V

14.5 kVA

30÷320 A

60% 320A
100% 240A

15.6÷38.6 V

MM 382

3x230/300/400/520 V
50-60 HZ

50 A - 230 V
50 A - 300 V
32 A - 400 V
25 A - 520 V

17 kVA

40÷380 A

16÷43 V

MM 452

3x230/300/400/520 V
50-60 HZ

63 A - 230 V
50 A - 300 V
50 A - 400 V
32 A - 520 V

22 kVA

40÷450 A

16.2÷45.5 V

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