The Millermatic 350 is the smartest, most productive Millermatic ever! 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. Standard units include Bernard 15 ft. Q300 MIG gun with Centerfire consumables. Aluminum Pulse Hot Start automatically provides more arc power to eliminate a "cold start" that is inherent with aluminum starts. Built-in pulsed MIG programs which means all programmed information is restored after each power up. Adjustable Crater feature optimizes crater size for steel, stainless and aluminum applications. Crater Time Delay allows deactivation of crater feature for tack or small welds. Exclusive Gun-On-Demand allows you to use either a standard MIG gun or a Miller Spoolgun without flipping a switch. The machine senses which gun you are using when you pull the trigger. No upgrade is required. Machine comes spoolgun ready right out of the box. Also comes with Fan-On-Demand, Wind Tunnel Technology, and LVC Line Voltage Compensation Miller technology.
For aluminum welding, the optional XR-A ALUMA-PRO Push-Pull Guns provide the ability to utilize 12 in. rolls of aluminum inside the Millermatic 350P for extended aluminum welding time and reduced labor time from changing 1 lb. rolls of aluminum wire.
Features of Basic Unit:
- Power source included
- Bernard Q300 15 ft (4.6 m) MIG gun with extra Centerfire contact tips
- 10' Industrial power cord (without plug) for single- or three-phase
- 10' Work cable with clamp
- Factory-installed gas solenoid
- Argon mix regulator/flow meter
- Factory-installed, low-mounted running gear/cylinder rack
- Extra contact tips
- 035/.045 in reversible V-groove drive rolls (order u-groove drive rolls for aluminum welding)
- Set-up and operation CD
Applications:
- Industrial Applications:
- Fabrication
- Maintenance and Repair
- Manufacturing
Process:
- MIG (GMAW)
- Pulsed MIG (GMAW-P)
- Flux Cored (FCAW)
Specifications:
- Input Power: Requires 1- or 3-Phase power
- Rated Output: 300 A at 32 VDC, 60% duty cycle, 1- or 3-Phase
- Welding Amperage Range: 25 - 400 Amps
- Wire Speed: 50 - 700 IPM (1.3 - 17.8 m/min)
- Dimensions:
- H: 34 in
- W: 19 in
- D: 41 in
- Net Weight: 181 lbs
Warranty:
- Power source is warranted for 3 years, parts and labor
- Original main power rectified parts are warranted for 5 years
- Gun warranted for 90 days, parts and labor
See Similar Products:
Dimensions & Weights
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| Millermatic 350P MIG Welder, 1- & 3- Phase, 25 - 400 A |
34" H x 19" W x 41" D |
181 lbs |
Miller Electric Mfg Co:

Taking innovatively sound steps since 1929,
Miller Electric has grown from a one-man operation selling products in Northeast Wisconsin, to what is today the world's largest manufacturer of
arc welding and cutting equipment. Without skipping a beat, Miller keeps the tradition alive by delivering ruggedly reliable equipment of the highest quality.
General Shipping Information:
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- Ship Method:Truck Freight
- Upgrade Available?
No
Truck Freight Additional Information:
This method of shipment is used because the item(s) you are purchasing are too large and/or heavy to ship via UPS/FedEx. The product(s) will be delivered to the driveway or curb outside of the delivery address provided upon purchase. Delivery agents may require assistance with larger, more cumbersome items. It is the customers responsibility to transport the product(s) inside, however several truck freight companies offer additional services to help move merchandise from the truck into your home or office. Once you receive the tracking information via email, you can contact the shipper directly to inquire about additional shipping services. You would be responsible for directly paying the truck freight carrier for any additional services.