Square Wave® TIG 200

TIG WELDING MACHINE

 Simplicity
Without
Compromise
The Square Wave® TIG 200 is a portable TIG and stick welding
machine that lets hobbyists, makers, small fabricators and
craftsmen explore their creativity.
It is designed to help expand your welding expertise. As your
skills and confidence grow, you can take advantage of the
Square Wave TIG 200’s additional functionality. 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.

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Advanced Features Yet Easy to Use TIG and Stick from One Power Source Processes »
AC/DC TIG, Stick
The user interface makes machine setup easy. Available features, The multi-process machine can TIG weld when precision and bead
Applications »
such as Pulse, which provides a drumbeat-like rhythm for filler metal appearance are important. Users also have the advantage of stick Home, Hobby, Shop, Light Fabrication,
deposition, make you become a better TIG welder – faster. welding capability for outdoor work or thicker materials. Hobby Aviation, Motorsports, Makers,
Education

A Great TIG Machine for Aluminum Take it Everywhere, Plug in Anywhere.™

Output »

For a wider or tighter welding bead, users can easily adjust AC Plug in the Square Wave TIG 200 where you need it – a standard
Frequency Control. AC Balance can be adjusted to provide more 120V circuit or 230V for maximum output. Portable and convenient Input »
cleaning action on dirty aluminum or to maximize penetration to use, only 46 lb (21 kg).
on thick materials.

Product Number »
• K5126-1

“VERY EASY TO USE INTERFACE – SHOULD BE NICE FOR LESS EDUCATED WELDERS AND
EVEN PEOPLE WHO HAVE ZERO KNOWLEDGE.”
— J. WADE // ADVANCED RV, WILLOUGHBY, OH

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 Controls »
1. LED Display
2. Indicator Lights
3. Control Dial
4. On/Off Switch
1
5. Negative Output Receptacle
6. Advanced Feature Button
7. Weld Process Button
6 8. Positive Output Receptacle
2 9. 6-pin Remote Receptacle

5 8

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 SPECIFICATIONS
Product Input Power: Rated Output: Input Current @ Output HxWxD Net Weight
Product Name Number Voltage/Phase/Hertz Current/Duty Cycle Rated Output Range in (mm) lbs (kg)
Square Wave® TIG 200 K5126-1 120/1/50/60 TIG: 125A/25%* 22A TIG: 10-125A 14 x 10.75 x 19.25 46 (21)
TIG: 100A/40% 17A Stick: 10-90A (358 x 282 x 502)
TIG: 85A/60% 14A
Stick: 75A/20% 19A
Stick: 65A/60% 16A

230/1/50/60 TIG: 200A/25% 22A TIG: 10-200A

TIG: 160A/40% 17A Stick: 10-170A
TIG: 130A/60% 13A
Stick: 170A/20% 25A
Stick: 100A/60% 13A

* 120V AC TIG 110A/25%

ADVANCED FEATURES
Setting Range Results
AC Frequency 60-150 (Hz) A lower frequency results in a wider bead A higher frequency results in a more
focused bead

AC Balance 60-90 (%Electrode Negative) A lower AC Balance (%EN) results in an arc with A higher AC Balance (%EN) results in an arc with
increased cleaning action higher penetration

Pulse 0.1-20 (Pulses per second) Lower pulse frequency helps moderate A higher pulse frequency helps manage heat input
filler metal deposition and minimize material distortion

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 Square Wave® TIG 200
ACCESSORIES • Optional • Included Product Number Base Unit (K5126-1)
GENERAL
PTA-17 TIG Torch Ready-Pak® – 150 amp air-cooled torch package with flexible head and 12.5 ft. K1782-14
(3.8 m) Ultra-Flex™ cable assembly with Twist-Mate™ adapter. Includes: #7 nozzle, 1/16 in. •
(1.6 mm) and 3/32 in. (2.4 mm) collets, collet bodies and E3® Tungsten
Foot Amptrol™ – with 25 ft. (7.6 m) cable assembly K870 •
Gas Regulator/Flowmeter and 10 ft. (3 m) Gas Hose Kit •
200A Stick Electrode Holder – with cable and Twist-Mate™ adapter •
Ground Clamp and Cable – with Twist-Mate adapter •
Utility Cart – Accommodates power source, gas cylinder, tools and welding accessories. K520
Includes: adjustable handle, front casters, and rear wheels. 30 (min.)/34 (max.) x 18 x 35 inches.
•
Hand Amptrol™ (Rotary Track Style) – Provides 25 ft. (7.6 m) of remote current control for TIG welding. K963-3 •
Canvas Cover K2377-1 •
TIG
PTA-9 TIG Torch – 125 amp air-cooled torch with 12.5 ft. (3.5 m) one piece cable assembly K1781-1 •
PTA-17F TIG Torch – 150 amp air-cooled torch with Flex Head and Ultra-Flex 12.5 ft. (3.5 m) one piece cable assembly K1782-15 •
PTA-26 TIG Torch – 200 amp air-cooled torch with 12.5 ft. (3.5 m) one piece cable assembly K1783-1 •
Additional TIG Torches – See Pro-Torch TIG torch literature e12.150 for full line of products
™
•
Twist-Mate Adapter – Use to connect PTA-9, 125 amp and PTA-17, 150 amp air-cooled TIG torches with one piece K1622-1
cable assemblies •
Twist-Mate Adapter – Use to connect PTA-26, 200 amp air-cooled TIG torch with one piece cable assembly K1622-3 •
Parts Kit for PTA-9 Series TIG Torches – Contains a long back cap, 0.040 in., 1/16 in. collets, collet bodies and tungsten, KP507
and three Alumina nozzles (1/4 in., 5/16 in., 3/8 in. orifices) •
Parts Kit for PTA-17 Series TIG Torches – Contains a short back cap, 0.040 in., 1/16 in., 3/32 in. collets, collet bodies and KP508
tungsten, and three Alumina nozzles (1/4 in., 5/16 in., 3/8 in. orifices) •
Parts Kit for PTA-26 and PTA-18 Series TIG Torches – Contains a long back cap, 1/16 in., 3/32 in., 1/8 in., collets, collet KP509
bodies and tungsten, and three Alumina nozzles (5/16 in., 3/8 in., 1/2 in. orifices) •
Cut Length Consumables – See publication C1.10 •
• Included
• Optional

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 C U S TO M E R ASS I S TA N C E P O L I C Y
The business of The Lincoln Electric Company® is manufacturing and selling high quality welding equipment, consumables, and cutting equipment. Our challenge is to meet the needs of our customers and to exceed their expectations. On occasion, purchasers may ask
Lincoln Electric for information or advice about their use of our products. Our employees respond to inquiries to the best of their ability based on information provided to them by the customers and the knowledge they may have concerning the application. Our employees, however, are not in a position
to verify the information provided or to evaluate the engineering requirements for the particular weldment. Accordingly, Lincoln Electric does not warrant or guarantee or assume any liability with respect to such information or advice. Moreover, the provision of such information or advice does not
create, expand, or alter any warranty on our products. Any express or implied warranty that might arise from the information or advice, including any implied warranty of merchantability or any warranty of fitness for any customers’ particular purpose is specifically disclaimed.
Lincoln Electric is a responsive manufacturer, but the selection and use of specific products sold by Lincoln Electric is solely within the control of, and remains the sole responsibility of the customer. Many variables beyond the control of Lincoln Electric affect the results obtained in applying these types
of fabrication methods and service requirements.
Subject to Change – This information is accurate to the best of our knowledge at the time of printing. Please refer to www.lincolnelectric.com for any updated information.

The Lincoln Electric Company

22801 St. Clair Avenue • Cleveland, OH • 44117-1199 • U.S.A.
Publication E3.38 | Issue Date 07/16
© Lincoln Global, Inc. • All Rights Reserved. www.lincolnelectric.com