




Lincoln Square Wave TIG 200 Welder (K5126-1)
The Lincoln Square Wave TIG 200 Welder (K5126-1) is the hottest TIG welder on the market right now. Operators of all skill levels are flocking to the Square Wave TIG 200 thanks to its easy of set up, ease of use, and the ability to dial in the settings to adapt to nearly any application. No matter your skill level, you won’t be disappointed. The Square Wave TIG 200 provides smooth and stable AC TIG welding on aluminum and DC TIG welding on steel, stainless steel and chrome-moly. A user-friendly interface enables the operators to set it, forget it and weld. The square wave 200 has advanced features, yet is easy to use with its simple user interface & pulse feature. It has high frequency starting which makes it an ideal aluminum tig welder. It features built-in settings for more cleaning action & allows for wider or tighter arc configurations. Offers both tig & stick functionality. You can take this welder on the road since it only weighs 46lbs & utilizes both 120V or 230V plugs. This Square Wave 200 will TIG weld up to 3/16″ Aluminum or 3/16″ Steel.
Features:
• AC/DC TIG & Stick welding capabilities
• 200 amps output
• Extremely portable – Only 46 lbs
Quick Specs:
• Input Power: 120 or 230 Volt, Single Phase, 60 Hertz
• Output Range: 120V = Tig (10-125A), Stick (10-110A)
• Output Range: 230V = Tig (10-200A), Stick (10-170A)
• Rated Output: 230V = Tig (200A @ 25%), (130A @ 60%)
• AC Frequency Range: 60-150HZ
• AC Balance: 60-90 (%Electrode Negative)
• Pulse: 0.1-20 (Pulses per Second)
• Weight: 46 lbs (21kg)
• Dimensions: 14″h X 10.75″w X 19.25″d (358 X 282 X 502mm)
Includes:
• Square Wave 200 Welder
• PTA-17 Series 150 Amp Air-cooled TIG torch w/ flexible head & ultra-flex cable assembly
• Foot Amptrol
• Regulator/Flowmeter with gas hose
• Stick Electrode Holder
• Ground Clamp
• 120/230V Input Cords
Most orders ship within 1-3 business days.
All major cards accepted, protected checkout.
New and factory-reconditioned items are covered. See product details for warranty length.
Orders are processed within 1-3 business days. Large equipment ships via freight with delivery scheduled by appointment. See our Shipping Policy for details.
Most items can be returned within 30 days of delivery for a full refund, less original shipping costs. See our Refund Policy for full details.
Factory-reconditioned items are inspected and serviced by the manufacturer to meet original performance specifications, and are covered by warranty. Check this product's title and description to confirm its condition.
Yes. Manufacturer warranty terms apply as noted on this product page. Contact us if you need help with a warranty claim.
Have a question about fit, specs, or which model is right for you? Contact us and we'll help you decide.

Customer reviews
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Feels well balanced, comfortable grip.
Battery life holds up through a full afternoon of work.
Really happy with this. Handles heavy loads with ease, very reliable.
Really happy with this. Handles heavy loads with ease, very reliable.
Exceeded my expectations. Great value for a tool this capable.
Exceeded my expectations. Handles heavy loads with ease, very reliable. Would recommend to anyone considering the Lincoln Square Wave TIG 200 Welder (K5126-1).
Solid purchase overall. Great value for a tool this capable.
Solid purchase overall. Well built and holds calibration well over time. Instructions could be clearer but it wasn't hard to figure out.