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Lotos CT520D 50 AMP Air Plasma Cutter, 200 AMP Tig and Stick/MMA/ARC Welder 3 in 1 Combo Welding Machine , ½ Inch Clean Cut, Brown

$449.00 $379.00
(You save $70.00)

Product Description


**The retail price for this Product reflects a 20% off Discounted price for all customers regardless if you are a first time customer or a repeat customer! The coupon FIRSTUW has already been applied and will not work in your shopping cart. Simply add to cart and purchase.**

The Lotos CT520D multi-purpose 3-in-1 unit offers a variety of multiple welding and cutting functions. It is able to cut various types of metal up to 1/2’’ with the 50Amp plasma cutting function. In addition, this unit can switch between DC TIG Welder and DC Stick Welder quickly and easily. With a hand carrying weight at 32lbs, this unit is portable and reliable featuring a duty cycle of 60% at max amps on all processes. An optional foot pedal is available for purchase.

★ BUY WITH CONFIDENCE: We offer 30 days refund and a 3-YEARS Limited Warranty: include 1 Year NEW Replacement Warranty.


★ US BASED CUSTOMER CARE & SUPPORT TEAM: please feel free to contact us by phone or email, we always stand Back on Our Products. Please submit the registration form on our website.



  • 50-amp air plasma cutter;
  • 200-amp DC TIG welder and DC Stick welder (High Frequency Start);
  • Automatic dual voltage / dual frequency (110/220-volt 50/60Hz);
  • Suitable for cutting and welding Stainless Steel, Mild Steel, Aluminum (cut only) and other metal materials

Package Includes:

  • TIG welding torch TT135 (13 ft long, 5 pin connection); TIG accessory kit TA01(includes 3 pieces shield cups, 3 collets and 1 collet body);
  • Plasma cutting torch CL135 (13ft long, 5 pin connection);
  • Stick welding electrode holder (6ft long);
  • Ground cable & clamp (6ft long);
  • Manual

To run 110V requires the Pig Tail(model PT01), which does not come with the packages. It is sold separately. 



CT520D User Manual





Input Voltages

110/220V, 1-PH, 50/60Hz

Power Efficiency



Dimensions with Handle

17” (432mm) L

8” (203mm) H

14” (356mm) W


32lbs ( 14.5kg)

Input Power Cable Length

6’ (1.8m)







Rated Input Power Requirement

110/220V, 1-PH, 27A±15%, 50/60Hz

Output Current

10~50A @ 110/220V

Duty cycle @ 40°C (104°F)

60% @ 50A

100% @ 40A

Gas Supply

Clean, dry, oil-free air

Recommended Gas Inlet Flow Rate/Pressure

3.6scfm @ 65psi, 80L/min

Cutting Materials

Mild steel, stainless steel, aluminum, etc.

Maximum Rated Cutting Thickness*

1/2" (12.7mm)






Rated input power requirement

110/220V, 1-PH, 17A±15%, 50/60Hz

Output current

10~200A @110/220V

Gas supply

Clean, dry, oil-free argon gas

Recommended gas inlet flow rate

2-5 L/M

Duty cycle @ 40°C (104°F)

60% @ 200A

100% @ 150A

Welding Material

Steel, Stainless, Moly, Ferrous






Rated input power requirement

110/220V, 1-PH, 23A±15%, 50/60Hz

Output current

10~200A @ 110/220V

Duty cycle @ 40°C (104°F)

60% @ 200A

100% @ 95A

Welding Material

Steel, Stainless, Moly, Ferrous



30 days refund and a 3-YEARS Limited Warranty:

include 1 Year NEW Replacement Warranty
(Contiguous US only)


*Production cut thickness are the results of Lotos’ laboratory testing. Production speeds are approximately 80% of maximum.

*For optimum cut quality, cutting speeds may vary based on different welding applications.

* For any Limited Warranty claim, a valid Proof of Purchase from our Authorized Dealers and a Valid US Shipping Address is required. Warranty valid in the US only and for orders from our authorized dealers. We do not have any authorized deals outside the US. We cannot cover warranty outside the US(e.g. Canada, Mexico)


Product Videos

Amazing lotos CT520D plasma / tig / stick 02:58

Awesome multi process Lotos ct520d review. plasma / stick (smaw)/ and tig . will upload a video soon of this bad boy in action using the different processes. hope you all enjoy.

  • Amazing lotos ...
    Awesome multi process Lotos ct520d review. plasma / stick (sma...

Warranty Information

IMPORTANT: Effective May 1st, 2014, Lotos Technology’s product warranty terms is revised as the following:

Lotos Technology warrants that all equipment sold by our company, unless otherwise specifically stated, will be free from defects in materials and workmanship for a period of 1 year from date of shipment. Such warranty shall not apply in any event to failure or defects in materials due to normal wear and tear, failure to perform recommended or customary maintenance procedures, exposure to detrimental elements, improper or extended storage, or corrosion, and shall not extend to any person or entity other than the customer.

Please visit Return and Repair for more information on product return process and our 30-Day Satisfaction Guaranteed.

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