Miller – Millermatic® 255 MIG/Pulsed MIG Welder

Packed with innovative features, this all-in-one welder increases efficiency and productivity for manufacturing and fabrication applications.

Guaranteed Safe Checkout

Flux Cored (FCAW)

MIG (GMAW)

Title	Millermatic® 255 MIG/Pulsed MIG Welder – 208/240V
Applications	Aluminum Welding Fabrication Mobile Fabrication & MRO Welding Education and Training
Industries	Racing Farm and Ranch Auto Repair Manufacturing
Amperage	20 A – 350 A
Material Thickness	Aluminum 18 ga. (1.2 mm) – 1/2 in. (12.7 mm) Mild Steel 24 ga. (0.5 mm) – 1/2 in. (12.7 mm)
Weldable Metals	Aluminum Stainless Steel Steel
Current Type	DC
Rated Output	230 A at 25.5 V, 60% duty cycle
Max Open Circuit Voltage	87 VDC
Wire Feed Speed	1.3 m/min – 20 m/min 50 IPM – 800 IPM
Wire Diameter	Aluminum 0.035 in. – 0.047 in. Aluminum 0.9 mm. – 1.2 mm. Stainless 0.023 in. – 0.045 in. Stainless 0.6 mm. – 1.2 mm. Solid Steel 0.6 mm. – 1.2 mm. Solid Steel 0.023 in. – 0.045 in. Flux Cored 0.03 in. – 0.045 in. Flux Cored 0.8 mm. – 1.2 mm. Silicon Bronze 0.030 in. – 0.035 in. Silicon Bronze 0.8 mm – 0.9 mm.
Spool Size	12 in (305 mm)
Portability	Handle(s) Running Gear / Cart (Optional)
Weld Output	CV
Input Voltage	208 V 220/230/240 V
Input Phase	1-Phase
Input Hz	50/60 Hz
Input Amperage	31.4
Net Width	13.75 in
Net Height	19.25 in
Net Length	26.25 in
Net Weight	84 lbs