Shopmate™ 300 DX Multiprocess Welder | Miller - MillerWelds

SHOPMATE 300DX 200(208)/230 60HZ 1PH

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What's Included

  • Shopmate 300 DX power source (Only)
Weld MIG, TIG and Stick with one versatile machine.
The price of a Shopmate 300 DX is roughly half the cost of buying individual MIG, TIG and Stick welding equipment.
Single Process Selector Switch is "operator-friendly".
Eliminates confusion caused by several switch combinations; making setup and operation easy.
Lift-Arc TIG™
allows DC/TIG starting without the use of high-frequency. Starts the arc without contaminating the weld with tungsten.
Large, dual digital meters
enable the operator to preset weld voltage in CV mode and amperage in CC mode before striking an arc.
Arc control
adjusts inductance to optimize MIG arc performance, or Dig control for Stick.
Stackable design
can save valuable classroom or workshop space.
Line voltage compensation
keeps output power constant even if input power varies plus or minus 10%.
Built-in 14-pin connector
provides quick, direct connection for 14-pin 24 VAC Miller wire feeders and accessories.
Built-in 10-pin connector
for direct hookup of Spoolmatic® 15A or 30A spool guns.
operates only when needed reducing noise, power consumption, and the amount of airborne contaminants pulled through the machine

Not Included

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


Product Literature

DC/12.7 Shopmate 300 DX - Spanish



Flux Cored (FCAW)
Stick (SMAW)

General Specifications

Title SHOPMATE 300DX 200(208)/230 60HZ 1PH
Industries Interests DIY / Home Hobbyist
Farm and Ranch
Metal Art / Sculptures
Current Type DC
Input Hz 60 Hz
Input Phase 1-Phase
Portability Lift Eye (Standard)
Running Gear / Cart (Optional)
Net Height 24.5 in
Net Length 25.5 in
Input Voltage 208 V
220/230/240 V
Max Open Circuit Voltage 80 VDC
Net Weight 177 lbs
Weldable Metals Mild Steel
Stainless Steel
Net Width 19 in
Warranty Miller's True Blue Warranty