Miller Multimatic 255 Pulsed Multiprocess Welder (208-575V) (907728)

Built for light manufacturing where power quality can be unpredictable, this 255-series Miller inverter runs pulsed MIG alongside flux-cored wire, DC stick, a lift-arc start, and pulsed TIG, and Auto-Line hardware takes any single-phase feed between 208 and 575V without rewiring anything by hand.

Materials and skill level

This is a career-welder machine for mild steel and stainless steel — no aluminum rating here. Pulsed MIG trims heat going into thin material, cutting distortion and spatter so there is less grinding once the weld is done, and a program mode saves favorite settings so you are not redialing them every shift.

Before buying

Bare, the power source weighs 84 pounds and is rated for a 60 percent duty cycle at 230A. It can sit on optional running gear for moving around the shop or come off entirely for a confined space. Its gun runs Bernard S Lock consumables that twist in with one motion; a four-program EZ-Select gun is sold separately for shops that want quick preset switching.

Included hardware

The listing supplies the power source on its 10-foot cord (no plug attached), a gun built specifically for Bernard S Series consumables, matching work leads, a flow regulator, extra tips, reversible drive rolls, and a thickness gauge so you can start a job the same day it arrives.

Three years of Miller coverage on this new machine.

Specifications