This product is available in MATHESON Retail Stores, or through MATHESON Sales Representatives, but it is not offered for online purchase. To find the MATHESON Location most convenient for you, use our Store Locator.

If visiting a store is not convenient for you (or even if it is), you may prefer to request a quotation. Simply click the "REQUEST QUOTE" button, and provide us with the necessary details. THANK YOU!

Features 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) Industrial power cord (without plug) for single- or three-phase 10 ft (3 m) work cable with clamp 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 >> Learn More Aluminum Pulse Hot Start Automatically provides more arc power to eliminate a "cold start" that is inherent with aluminum starts. Gun-On-Demand 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 SharpArc Optimizes the size and shape of the arc cone, bead width and appearance and puddle fluidity. Fan-On-Demand 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. GENERAL SPECIFICATIONS Title Millermatic 350P 200/230/460V 60Hz 1/3Ph Industries Interests Auto / Cycle (Racing, Customizing, Restoring) Construction Manufacturing Boat / Yacht DIY / Home Hobbyist Shipbuilding Current Type DC Input Hz 60 Hz Input Phase 1- and 3-Phase Portability Running Gear / Cart (Standard) Net Height 34 in Net Length 41 in Input Voltage 208 V 220/230/240 V 460/480 V Max Open Circuit Voltage 72 VDC Net Weight 181 lbs Weldable Metals Mild Steel Stainless Steel Aluminum Net Width 19 in Warranty Miller's True Blue Warranty Amperage Range 25 A - 400 A Material Thickness Mild Steel 24 ga - 0.5 in Mild Steel 0.8 mm - 13 mm Aluminum 14 ga - 0.38 in Aluminum 1.2 mm - 13 mm 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 Rated Output 300 Amps at 32 VDC, 60% duty cycle, 1- or 3-Phase Spool Size 12 in (305 mm)