MigMatic 320i

MILLER
MigMatic 320i
MigMatic 320i

Miller® MigMatic® 320i synergic MIG/MAG system featuring a heavy duty drive mechanism capable of consistent and precise wire feeding regardless of your choice of wire. The machine is quick to set up and the graphical user interface makes it easy to achieve those perfect weld parameters with very limited training required. The MigMatic® 320i is the perfect work shop tool and ideal for both solid and flux core wires.

Trigger program switch
Re-call up to 4 preset programs from the torch trigger (any standard MIG torch) for increased productivity on complex objects.

Energy efficient
The energy saving Fan-On-Demand™ power source cooling system operates only when needed, reducing noise and the amount of contaminants pulled though the machine.

Miller robustness
Tested and approved for heavy duty welding under the toughest conditions. Miller goes to extreme measures to ensure trouble free welding in any environment.

Full synergic MIG/MAG with presets
Synergic lines for all common wire/gas combinations with presets of start/stop parameters for optimal welds.

Heavy duty wire drive mechanism
The 4-roll drive system will ensure trouble free wire feeding.

Ease of use and versatility
Large intuitive LCD panel for quick and precise setting of advanced weld parameters.


  • MIG/MAG (GMAW)
  • Flux-cored (FCAW)
  • General fabrication
  • Car repair
  • Training schools
  • Agricultural equipment
  • Repair and maintenance
Input Voltage 400 V
Input Phase 3 phases
Input Hz 50/60 Hz
Amperage Range 15 A – 320 A
Max. Output Amperage 350 A
Rated Output 320 A, 30 V at 35% duty cycle
Max Open Circuit Voltage 70 VDC
Net Weight 57 kg