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The Power PRO 256Si is an AC/DC tig and 60A plasma cutter.

3 phase 400V.

All-in-one portability.

The Power PRO 256Si is a state-of-the-art AC/DC tig for welding both steels and aluminum. The machine also has a 60A plasma cutter that uses the same IGBT power electronics as the TIG.

The power of the plasma cutter is sufficient for excellent ~ 15mm steel and a maximum of ~ 23mm.

Like the Power PRO 205Si  but bigger.

The machine is suitable for both enthusiasts and demanding professional welders. Reliability is top notch.

With water-cooled WP18 tig burner as standard.

Attention buyer!!
USA and Europe packaging is slightly different!!
European packaging includes: water-cooled tig torch with consumables, electrode holder, ground clamp and plasma torch.

2.039,00 inc. VAT

Stock level:

in stock

Warranty: 2 years


IGBT Inverter Type:  IGBT
Voltage/phase:   400 V 3 Phase
TIG output type:  AC/DC
TIG Start Type:  High Frequency Only
Pulse:  Yes, Adjustable
Plasma Cutter Arc Start Type:  Blow Back (Piston type)
PilotArc:  Yes
OK-to-Cut Indicator/Low Air pressure safety:  Yes
AC Frequency:  20-250 Hz
AC Balance (cleaning):  10-90%
OCV:  85V
Max Inrush ( I1MAX ) Amps:  40A
Maximum Rated (I1EFF ) Input Amps:  32A
TIG Output Amps/Volts @ Rated Duty Cycle:
  • 250A/20V @ 60% Duty Cycle
  • 200A/18V @ 100% Duty Cycle
Stick Output Amps/Volts @ Rated Duty Cycle: 
  • 200A/28V @ 35% Duty Cycle
  • 160A/26.4V @ 60% Duty Cycle
  • 130A/25.2V @ 100% Duty Cycle
Plasma Output Amps/Volts @ Rated Duty Cycle:
  • 60A/104V @ 35% Duty Cycle
  • 50A/100V @ 60% Duty Cycle
  • 40A/96V @ 100% Duty Cycle
TIG AC Amp/Volt Range:  20A-250A; 10.8V-20V
TIG DC Amp/Volt Range:  5A-250A; 10.2V-20V
Stick Amp/Volt Range:  5A-200A; 20.2V-28V
Plasma Amp/Volt Range:  20A-60A; 88V-104V
Start Amps:
  • DC:  5-250A
  • AC:  20-250A
End Amps:
  • DC: 5-250A
  • AC: 20-250A
Down Slope Time:  0-25 Seconds
Up Slope Time:  0-10 Seconds
Preflow time:  0-10 Seconds
Post Flow Time:  0-25 Seconds
OverCurrent Protection:  Yes
Duty Cycle Protection:  Yes
Air Pressure OK Safety Indicator:  Yes
TIG Pulse Frequency:  0.5-250Hz
TIG Pulse Time On:  10-90%
TIG Pulse Amp Range:  5-95%
Stick Arc Force Control:  Yes, 10-100%
Torch Type:  PT/iPT 60


Features & Benefits: 
  • All-in-one portability
  • Compact, yet powerful TIG welding/Plasma cutting features
  • Digitally controlled IGBT inverter improves performance, reliability and accuracy
  • Easy to use controls with touch pad control for process and feature selection
  • Quick change out of torches for easy change from TIG to plasma and back to TIG
  • Over Current indicator warns when duty cycle has been exceeded and interrupts welding/cutting
  • OK-to-cut indicator lights up when minimum air pressure is present
  • Make regular, low dross plasma cuts on steel up to 5/8″ thick with a maximum clean cut ability of 3/4″
  • Renown arc stability for TIG/Stick functions



This unit is not designed or intended for Industrial manufacturing or production welding.  If using on a generator, the generator must be rated by the generator manufacturer as producing “clean power”, which is considered to be <5% THD.  The generator should be rated for at least 11,500 watts for best operation.


TIG single pass capability:

  • Steel: 36 gauge-1/2″
  • Aluminum:  24 gauge- 5/16″

Stick electrode diameter capability:

  • 1/16″-5/32″

Plasma Cutting capability* ( with dry air, new consumables, proper air pressure etc.)

  • up to 5/8″ daily use @ 15-20 ipm
  • up to 3/4″ clean cut @ 8-12 ipm
  • up to 1″ severance cut @ 3-5 ipm

*Quality and capacity of cut depends upon consumable orifice size, standoff height, travel speed, etc.