Lincoln Electric K2697-1 MIG Welder: up to 140 A, 115 V

What it welds

The Lincoln Electric K2697-1 MIG Welder is a MIG / gas with a maker-stated output of 30 to 140 amps on 115-volt input.

By Miller's rule of thumb of 1 amp per 0.001 inch of steel, 140 amps reaches about 0.140 in in a single pass. Amps by thickness.

The listing doesn't give a duty cycle with its amperage, which makes long beads hard to plan; the rating plate or manual should state it. Why it matters.

Processes, per the maker: Flux-Cored/MIG. Check which torches and guns come in the box; a TIG torch or spool gun is often extra. Process guide.

It runs solid wire under shielding gas for the cleanest wire-feed welds; most machines like it also run flux-core wire outdoors.

A 120-volt machine runs from a household circuit, usually a 20-amp one per the manual. 120 V vs 240 V.

Eye protection: OSHA's minimum is shade 10 for most of this machine's range. Full table.

Also on the listing: dimensions of 20 x 15 x 16 inches and a weight of 62 lb.

Is it the right machine for the job?

Buy it for

Clean steel welds indoors
Sheet metal to about 0.140 in

Skip it for

Steel much past 0.140 in in one pass

What it does well, where it falls short

Does well

Up to 140 A output
Runs on household 120 V

Falls short

Duty cycle not stated with amps
120 V caps output

Power and setup notes

Ratings are the maker's own, stated under the maker's conditions. Follow the manual, wear eye protection of at least OSHA's minimum shade, keep combustibles away, ventilate, and have a licensed electrician install new circuits.

Rated output and specs

Every figure below comes from the source shown in brackets. Where the maker doesn't state something, we say so instead of estimating.

Model number	K2697-1	Retailer
Dimensions (seller)	20 x 15 x 16 inches	Retailer
Product weight	62 lb	Retailer
Output range	30-140 Amp	Retailer
Input power	115v	Retailer
Processes	Flux-Cored/MIG	Retailer