Miller® Millermatic 350P 200/230/460V 60Hz 1/3Ph – 907300


First single- or three-phase power Millermatic that welds material from 22 gauge to 1/2 in thick in a single pass. Perfect for fabrication, manufacturing, maintenance and repair.

SKU: 907300 Category:

Product Description

What’s Included

  • Millermatic 350P power source
  • Bernard® Q300 15 ft (4.6 m) MIG gun with extra Centerfire contact tips
  • 10 ft (3 m) work cable with clamp
  • 10 ft (3 m) Industrial power cord (without plug) for single- or three-phase
  • Factory-installed gas solenoid
  • Argon mix regulator/flow meter
  • Factory-installed, low-mounted running gear/cylinder rack
  • .035/.045 in (0.9/1.2 mm) reversible V-groove drive rolls (order U-groove drive roll kits for aluminum welding)
  • Extra Contact tips
Pulsed-MIG Advantage
Whether welding aluminum, steel or stainless steel, improving productivity by 30, 50 or 100% and saving tens of thousands of dollars are typical results when switching to Pulsed-MIG with the Millermatic 350P.Learn More
Millermatic 350P Autobody Aluminum Package
The automotive industry is trending to aluminum frames and body panels to improve performance and fuel mileage. Welding thin gauge aluminum creates problems with warping, distortion and burn through. The new Millermatic 350P Autobody Aluminum Package makes it easy to setup, use and make quality aluminum repairs.  Learn More
Aluminum Pulse Hot Start
Automatically provides more arc power to eliminate a “cold start” that is inherent with aluminum starts.
Miller’s Gun-On-Demand feature allows you to use either a standard MIG gun, a Spoolmatic 15/30A spool gun or any other Miller push-pull gun without flipping a switch. The machine senses which gun you are using when you pull the trigger. Learn More
Optimizes the size and shape of the arc cone, bead width and appearance and puddle fluidity.
The Fan-On-Demand Cooling system only operates when needed, reducing power consumption and keeping internal components cleaner. Learn More
Line Voltage Compensation (LVC)
Line Voltage Compensation keeps output of the power source constant regardless of fluctuation in input power 10% Learn More

Not Included

  • Shielding gas (for welding with solid wire [GMAW])
  • Flux cored drive rolls (for welding with flux cored wire [FCAW])
  • Welding wire
  • Personal safety products (helmet, gloves)
  • Your local welding distributor can provide shielding gas, additional welding wire and a full product offering.


  • Flux Cored (FCAW)
  • Pulsed MIG (GMAW-P)


General Specifications

Title Millermatic 350P 200/230/460V 60Hz 1/3Ph
Industries Interests Racing / Customizing / Restoring
Boat / Yacht
DIY / Home Hobbyist
Weldable Metals Steel
Stainless Steel
Input Voltage 208 V
220/230/240 V
460/480 V
Input Phase 1- and 3-Phase
Input Hz 60 Hz
Current Type DC
Rated Output 300 Amps at 32 VDC, 60% duty cycle, 1- or 3-Phase
Max Open Circuit Voltage 72 VDC
Amperage Range 25 A – 400 A
Wire Feed Speed 1.3 m/min – 17.8 m/min
50 IPM – 700 IPM
Wire Diameter Solid Steel 0.023 in 0.045 in
Solid Steel 0.6 mm 1.2 mm
Stainless 0.03 in 0.045 in
Stainless 0.8 mm 1.2 mm
Aluminum 0.035 in 0.047 in
Aluminum 0.9 mm 1.2 mm
Metal-Core 0.035 in 0.052 in
Metal-Core 0.9 mm 1.3 mm
Flux Cored 0.03 in 0.052 in
Flux Cored 0.8 mm 1.3 mm
Spool Size 12 in (305 mm)
Net Width 19 in
Net Height 34 in
Net Length 41 in
Net Weight 181 lbs
Portability Running Gear / Cart (Standard)


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