SC 350

Electronic power source for MMA and SCRATCH TIG welding

DC power source generator for MMA welding with acid, low-hydrogen, stainless steel, aluminium and cellulose electrodes. It can be used in TIG SCRATCH welding. It is designed for use in medium-toheavy structural steel works and in the building industry.
Welding process
  • MMA
  • SCRATCH TIG
Technology:
  • Traditional
  • Three-phase
Manufacturing standard
  • EN 60974
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Electronic direct current generator, with three-phase 50/60 Hz power transformer and SCR semi-controlled rectifier arc. They may be used for welding with coated electrode (MMA) for acid, basic, stainless steel, aluminium and cellulose applications. They may also be used in TIG welding with scratch-start. The SC500 and SC800 versions can also be used for scarfing (ARC-AIR). They are ideal for use in medium and heavy metal work, depending on the model, and are particularly suitable for use in shipyards. All the magnetic coils are made from top quality copper. The voltage change terminal block inside the machine permits changing the supply voltage. Through the electronic control board, the current is constantly regulated by the potentiometer on the front of the machine or the optional remote control. The distributed current remains stable on the set value even in the event of variations in the supply voltage, and can be changed even with welding in progress. For MMA welding the Hot Start function may be installed to improve striking the coated electrodes. On request they may be fitted with digital volt/ammeter.

Main voltage 3x230/400 V
50-60 HZ
Delayed line fuse 50 A - 230 V
32 A - 400 V
Max. absorbed power 18 kVA
EFFICIENCY ɳ 74%
IDLE STATE -
CURRENT REGULATION RANGE 25÷350 A
Current regulation lineare
Duty Factor 60% 350A
100% 270A
No-load voltage 80 V
Ø MMA electrodes 2.5 ÷ 6.0
Ø TIG electrodes 2.4 ÷ 3.2
Protection class IP21S
Weight 165 KG
Dimension (WxDxH) 700x900x700 mm
EQUIVALENT MODELS no equivalent models
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VARIANTS

Main voltage

Delayed line fuse

Max. absorbed power

CURRENT REGULATION RANGE

Duty Factor

No-load voltage

SC 350

3x230/400 V
50-60 HZ

50 A - 230 V
32 A - 400 V

18 kVA

25÷350 A

60% 350A
100% 270A

80 V

SC 500

3x230/400 V
50-60 HZ

100 A - 230 V
50 A - 400 V

30 kVA

25÷500 A

60% 500A
100% 385A

80 V

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