The Lincoln Power MIG 256 MIG Welder (K3068-2) is a Lincoln Electric MIG (GMAW), Flux-Cored (FCAW) welder rated for 30–300A output on 230V / 460V / 575V single-phase, 60 Hz, with a duty cycle of 40% @ 250A / 26V and compatibility with material thicknesses from 24 ga through 3/8". WeldingMart is an authorized Lincoln Electric dealer — every unit ships from our Wisconsin facility with full manufacturer warranty and knowledgeable pre- and post-sale support.
Browse related products: MIG Welders collection | MIG & Flux-Cored Welding Wire | MIG Welding Guns & Torches.
| Welding Processes | MIG (GMAW), Flux-Cored (FCAW) |
|---|---|
| Amperage Range | 30–300A |
| Duty Cycle | 40% @ 250A / 26V |
| Input Voltage | 230V / 460V / 575V single-phase, 60 Hz |
| Phase | single-phase |
| Wire Diameter Range | 0.035", 0.045" |
| Material Thickness Range | 24 ga through 3/8" |
| Wire Feed Speed | 50–700 IPM |
| Machine Weight | 245 lbs |
| Warranty | 3-Year Lincoln Electric Manufacturer Warranty |
- Job shop and production fabrication: 30–300A output range and 40% duty cycle at 250A sustain high-deposition MIG and FCAW runs on structural steel and heavy plate.
- Automotive manufacturing and repair: Diamond Core Technology arc stability handles frames, sub-assemblies, and structural components with consistent weld quality at high wire feed speeds.
- Maintenance and repair in industrial plants: Reliable MAXTRAC wire drive handles demanding maintenance welding in distilleries, breweries, and heavy fabrication shops.
- Multi-voltage facility installations: 230/460/575V single-phase compatibility lets the K3068-2 be installed across a wide range of North American industrial power distributions.
- Flux-cored production welding: FCAW-S (self-shielded) capability provides outdoor and draft-prone welding flexibility without shielding gas logistics.
- Lincoln Power MIG 256 MIG Welder
- Magnum PRO 15-foot MIG gun and cable assembly
- Work clamp and work cable
- Gas hose, regulator, and flowmeter
- Copper Plus contact tips
- Drive rolls (0.035" and 0.045")
- Operator's manual
The Power MIG 256 features Lincoln's MAXTRAC cast-aluminum industrial wire drive for consistent wire feeding at speeds from 50 to 700 IPM. Diamond Core Technology delivers stable, low-spatter arc starts across a wide range of wire-gas combinations. The K3068-2 is a traditional digitally-metered CV MIG source — straightforward, reliable, and favored in job shops where ease of parameter setting matters. The machine accepts Magnum PRO guns and optional spool guns for aluminum. Copper Plus contact tips are included for improved heat dissipation in high-production settings.
WeldingMart has been an authorized Lincoln Electric dealer since 2003, shipping genuine factory-certified welding equipment from our warehouse in Wisconsin to professionals and fabricators across the United States. Our staff includes certified welding professionals who can assist with process selection, consumable compatibility, and application-specific parameter recommendations — call or chat before you buy to ensure you're ordering the right machine for your application.







