Plasma DC - TIG DC, MMA DC
Outstanding Control of Pilot Gas and Plasma Gas
Quick Pulse and Synergy PLUSTM
Interface for CWF Multi Cold Wire Feeder
Perfect for Automated Solutions
Environmentally Friendly
download catalog


Pi 350 Plasma

Pi 350 Plasma – welding automation with or without pulse

New Pi 350 Plasma increases productivity
The Pi 350 Plasma is a high-performance water-cooled welding inverter dedicated to plasma welding in auto-mated welding processes in the current range 5-350 A. The Pi 350 Plasma welds sheet metals in up to 8 mm mild steel and 10 mm stainless steel. 

The machine welds with three optional pulse functions: 
traditional pulse, quick pulse, Synergy PLUS™ – or without pulse - using all plasma processes: plasma-melt, plasma-press and plasma-keyhole welding. In TIG welding, the output is up to 500 A. 

Features of the digital Pi 350 plasma inverter: 
• Electronic control of gas flow and water flow in the torch 
• Built-in gas-saver kit 
• CAN-BUS communication 
• 100% duty cycle in plasma welding 
• Remote control kit
• Diffusion-safe gas hose 
• Pilot arc – safe ignition 

Protected tungsten electrodes – longer life
The plasma torch protects the tungsten electrode against weld spatter and prevents it from sticking to the weld pool. Interruption of operations for grinding the electrodes is minimized and life is considerably longer than in TIG welding. 

Facts about plasma welding:
Efficient welding with full penetration: mild steel up to 8 mm, stainless steel up to 10 mm 
Protected tungsten electrodes: longer life, fewer interruptions of operations
Low heat input: minimal deformation of work piece/material
Safe ignition with Pilot arc - always ready for next welding cycle
Welding consumables: no waste – wire from spool via CWF Multi

Technical Data

 Mains voltage +/- 15%   3 x 400 V 
 Fuse  32 A
 Effective mains current  26.1 A 
 Output, 100%  18.1 kVA  
 Max. output  23.3 kVA
 Open circuit power  40 W
 Current range  5-350 A
 Current range TIG/MMA  5-500 A
 Open circuit voltage  95 V
 Application class  S
 Protection class   IP 23
 Norm  EN60974-1, 2, 3, 10  
 Dimensions (H x W x L, cm)  98 x 54.5 x 109
 Weight, kg  85


 DUTY CYCLE                      PI 350 PLASMA         
 100% at 20° TIG  475 A
 100% at 20° Plasma  350 A
 100% at 40° TIG  420 A
 100% at 40° Plasma  350 A 
 60% at 40° TIG  500 A


 COLD WIRE FEEDER            CWF Multi                 
 Wire feed speed m/min.  0.2-5
 Wire diameter, mm  0.6-1.6
 Dimensions, H x W x L, cm  27.6 x 21.1 x 27.6
 Weight, kg  9.6