Lincoln Power MIG 140 MP Multi-Process Welder is built for multi-process welding (MIG, Flux-Cored, Stick, and TIG). Output ranges from 30-300A with a 40% @ 250A duty cycle. Runs on 208/230/460/575V (single-phase) and feeds 0.025 - 3/64 in (0.6 - 1.2 mm) wire. Ready for MIG, Flux-Cored.
| Model | Power MIG 140 MP Multi-Process |
|---|---|
| Manufacturer Code | K3520-1 |
| Output Amperage Range | 30-300A |
| Duty Cycle | 40% @ 250A |
| Input Voltage | 208/230/460/575V |
| Phase | Single-phase |
| Wire Diameter Range | 0.025 - 3/64 in (0.6 - 1.2 mm) |
| Welding Processes | MIG, Flux-Cored |
| Weight | 247 lbs |
- Mixed-process shops — switch between MIG, Stick, and TIG without owning a second machine
- Mobile contractors — multi-voltage input runs on shop 230V or jobsite 120V
- Auto body and light fabrication — 0.025" wire capability handles thin sheet metal cleanly
It supports MIG, Flux-Cored.
40% @ 250A. This means continuous welding at that amperage for the listed percentage of a 10-minute cycle before requiring cool-down.
208/230/460/575V on single-phase power.
0.025 - 3/64 in (0.6 - 1.2 mm) — covers standard MIG wire sizes from sheet metal through medium structural work.
All new Lincoln Electric welders ship with the standard Lincoln 3-year warranty (parts and labor) on the power source. Consumables and contact tips are wear items not covered by warranty. Factory-demo units carry the Lincoln demo warranty — contact us for current terms.