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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, 5/8 Inch Clean Cut, Brown

4.4 4.4 out of 5 stars 1,049 ratings

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Purchase options and add-ons

  • ★ 𝐏𝐥𝐚𝐬𝐦𝐚 𝐂𝐮𝐭𝐭𝐞𝐫: 10-50AMP Plasma Cutter Current Output; Max Ideal Cut Thickness: 1/2" ; Max Severance Thickness: 3/4"; Compact Plasma Cutter Has a Handle for Portability and Uses Non-Hazardous Compressed Air to Cut Stainless Steel, Alloy Steel, Mild steel, Copper, and Aluminum
  • ★ 𝐓𝐢𝐠 𝐖𝐞𝐥𝐝𝐞𝐫: 15-200AMP DC TIG Electric Current Output; Quality TIG welding on Stainless or Steel and Precise Welding of Thinner-gauge Materials; HF arc start hand torch control and Precise Foot Pedal Welding Heat Control(Foot Pedal & Argon Regulator are NOT Included).
  • ★ 𝐒𝐭𝐢𝐜𝐤/𝐌𝐦𝐚 𝐖𝐞𝐥𝐝𝐞𝐫: 15-200 AMP DC Stick/MMA Electric Current Output; Easy ARC Start, Stable Welding Arc; Deep Weld Pool and Beautiful Welding Shape; Adjustable Hot Striking Arc Current which Can Greatly Improve the Arc-Starting Function; Suitable for Welding with Different Kinds of Acid or Basic Electrode.
  • ★ 𝐒𝐞𝐭𝐮𝐩 𝐰𝐢𝐭𝐡𝐢𝐧 𝟏 𝐌𝐢𝐧𝐮𝐭𝐞: The pre-installed NPT 1/4” industry type D plug and air filter regulator allows you to quick connect to your air compressor by using the stand coupler existing on your air compressor. The whole machine can be setup quickly within 1 min.
  • ★ 𝐋𝐢𝐟𝐞𝐭𝐢𝐦𝐞 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐒𝐮𝐩𝐩𝐨𝐫𝐭: we offer a 𝟑𝟎 𝐝𝐚𝐲 𝐦𝐨𝐧𝐞𝐲-𝐛𝐚𝐜𝐤 𝐠𝐮𝐚𝐫𝐚𝐧𝐭𝐞𝐞 & 𝐚 𝟏-𝐲𝐞𝐚𝐫 𝐍𝐞𝐰 𝐑𝐞𝐩𝐥𝐚𝐜𝐞𝐦𝐞𝐧𝐭 𝐰𝐚𝐫𝐫𝐚𝐧𝐭𝐲 along with a 𝐭𝐨𝐭𝐚𝐥 𝟑-𝐘𝐞𝐚𝐫 𝐥𝐢𝐦𝐢𝐭𝐞𝐝 𝐰𝐚𝐫𝐫𝐚𝐧𝐭𝐲 covered by our US based lifetime technical support. To avail the warranty, please submit the warranty registration form on our website. 𝐎𝐮𝐫 𝐔𝐒𝐀-𝐛𝐚𝐬𝐞𝐝 dedicated customer service team is readily available to assist you through phone or email.

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Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 17 x 8 x 11 inches; 33.1 Pounds
  • Item model number ‏ : ‎ CT520D
  • Date First Available ‏ : ‎ May 9, 2011
  • Manufacturer ‏ : ‎ Lotos Technology
  • ASIN ‏ : ‎ B004ZZNL8Y
  • Country of Origin ‏ : ‎ China
  • Customer Reviews:
    4.4 4.4 out of 5 stars 1,049 ratings

Product Description

About Lotos Technology
Headquartered in Sunnyvale, California, USA, Lotos Technology supplies quality welding and cutting tools to small businesses and Do-It-Yourself (DIY) buyers. Since 2007, our products have gained recognition as a reputable source for affordable industrial and consumer based portable plasma cutters and welders. We are proud of our product, quality and after-sale service. We offer quality welding and cutting tools to small businesses and DIY buyers. Our tools help you with your DIY projects to "Cut it, Weld it, Build it" to get the job done!
Our Technology
Lotos Technology employs latest technologies, such as IGBT/MOSFET based high frequency inverter technology, PWM (Pulse Width Modulation), etc. to deliver a consistent, and precise current to the cutting surface. It helps our customers easily achieve smooth, clean cuts on a wide range of surfaces and materials (e.g. Stainless Steel, Alloy Steel, Brass, Aluminum and other conductive materials) with less heat and reduced metal distortion. Our machines are capable of delivering rich features for most professional users as well as DIY users.

Air filter/regulator with accessories and brackets included


From the brand


From the manufacturer

lotos plasma cutter welders

Key Features

3 in 1 Combo

Lotos CT520D is a 3 in 1 Combo Welding Machine(Dual Voltage 220 V/110 V):

- 50 A Air Plasma Cutter.

- 200 A TIG Welder.

- 200 A Stick Welder.

Air Plasma Cutter

With high speed and precision cuts combined with low cost, air plasma cutter is suitable for stainless steel, alloy steel, mild steel, copper, aluminum and other metal materials.

Compare with oxyhydrogen cutting, plasma cutting is much more safety, quick, low cost and easy to use.

1/2 Inch Clean Cut

- Max Rated Clean Cut Thickness: 1/2".

- Max Severance Thickness: 3/4".

- DC TIG Output Current: 10-200 A @ 220 V & 10-150 A @ 110 V.

- DC Stick/MMA Output Current: 10-200 A @ 220 V & 10-150 A @ 110 V.

Dual Voltage

Automatic Dual Voltage / Dual Frequency (110 V/220 V 50/60Hz).

Dual voltage capability allows the machine to run directly on 220 V 50/60 Hz power, or on 110 V 50/60 Hz with the use of a pigtail (sold separately).

plasma cutter

CT520D.

plasma cutter
About LOTOS

Headquartered in Sunnyvale, California, Lotos Technology supplies quality welding and cutting tools to small businesses and Do-It-Yourself (DIY) buyers.

Our Products:

  • Plasma Cutter
  • Welder
  • Plasma/TIG/Stick Combo
  • Consumables/Accessories

Lotos CT520D 50 A Air Plasma Cutter /200 A TIG/Stick Welder

By Lotos Technology

The LOTOS CT520D is one of the first to market multipurpose welder that allows the user to DC TIG/Stick weld and plasma cut all from one portable machine.

CT520D combines 3 functions into one with a 200 A DC TIG Welder, a 200 A Stick Welder, and a 50 A Air Plasma Cutter with the flip of a switch.

It is able to cut various types of metal up to 1/2-inch with the 50 A plasma cutting function.

plasma cutter plasma cutter plasma cutter plasma cutter tig welder
LTPDC2000D CT520D LT5000D LTP5000D TIG200ACDC
Customer Reviews
4.4 out of 5 stars
1,049
4.5 out of 5 stars
1,860
4.5 out of 5 stars
2,442
4.4 out of 5 stars
333
Plasma Cutter
Non-Touch Polit Arc
MMA/Stick Welder
TIG Welder
Aluminum Welding
Dual Voltage

Functions

Plasma Cutting

TIG Welding

MMA/Stick Welding

What's in the box

  • Power Supply, Plasma Cu tter Torch, TigTorch, Air Filter Regulator, Ground Cable
  • Product guides and documents

    Looking for specific info?

    Customer reviews

    4.4 out of 5 stars
    4.4 out of 5
    1,049 global ratings

    Customers say

    Customers like the performance, value, and weldability of the cutting tools. For example, they mention that the plasma cutter works great, the stick welder works flawlessly, and that it's an excellent unit for the money. They also like the versatility, power, and support. That said, opinions are mixed on the quality and ease of use.

    AI-generated from the text of customer reviews

    180 customers mention128 positive52 negative

    Customers like the performance of the cutting tools. They mention that the plasma cutter works great, the foot pedal works great and the stick welder works flawlessly. They also mention that it works well for cutting 28-gauge sheet steel and that the argon gauge works perfectly. Overall, most are satisfied with the performance and durability of the product.

    "...Thirdly, the argon gauge worked perfectly but is a bit soft and on the cheaper side l. I get this due to the amazing low price of this machin so no..." Read more

    "This plasma cutter/tig/stick welder i awesome for the price. Plasma cutter works awesome, tig welds well." Read more

    "...And from what i can tell the plasma cutter and stick welder both function wonderfully, though i have not used those as much...." Read more

    "...There is some limitations to this machine... it only really works good when running 220v, it works ok at 110v but really doesn't have the punch to..." Read more

    83 customers mention78 positive5 negative

    Customers appreciate the value of the cutting tools. They say it's an excellent unit for the money, looks impressive for the price point, and is worth the risk. Some customers also mention that it welds really well for the value.

    "This plasma cutter/tig/stick welder i awesome for the price. Plasma cutter works awesome, tig welds well." Read more

    "...But both the plasma and Tig torches are good quality. And consumables aren't very expensive...." Read more

    "...Get yourself new components and you have a great hobby welder for the money. Keep it covered for dust and wear and tear...." Read more

    "...Reviews aside the machine looked impressive for the price point...." Read more

    49 customers mention35 positive14 negative

    Customers like the weldability of the cutting tools. They mention that it has a very strong stick welder function, and that it produces consistent, strong welts. Some say that the machine is amazing and ready to wel.

    "...Plasma cutter works awesome, tig welds well." Read more

    "...Stick welded for the first time in 20 years and the welds came out fine...." Read more

    "...Used the stick welder next it starts nicely and did a better weld than I have been doing. I don't stick weld much...." Read more

    "...There's a few things that concern other then the fact it won't weld...." Read more

    28 customers mention28 positive0 negative

    Customers find the cutting tools versatile. They mention it's a great multi-use system, an excellent mid-market multifunction machine, and a dual-purpose tool. Some say it'll be a good tool for around the garage. Overall, most are satisfied with the versatility and functionality of the product.

    "...From what my novice eyes can see this is a wonderful versatile machine for small shop/home use...." Read more

    "...Bottom line is the Lotos is a great hobby machine if you get a good one or have the time and patience to deal with them...." Read more

    "...From my experience this machine is very useful and has very good support...." Read more

    "...Will cut through 3/4 inch steel plate 1/2 clean cut. Very diverse welder and for a great price. For a diy person it's great." Read more

    19 customers mention16 positive3 negative

    Customers like the power of the cutting tools. They say it has good power for what it is, and is versatile. Some say that the machine is efficient and versatile. Overall, customers are satisfied with the power and performance of the tools.

    "...more argon than it should welding 3/16th steel, but it has plenty of power to weld 5/16. I have yet to try it on anything thicker...." Read more

    "...This welder is very light and powerful so I was moving it around with me and I don't know how it happened but the welding rod got sent into the..." Read more

    "Powerful machine. Comes complete and ready to weld. Nice long welding leads. I bought the foot pedal to go with it and I highly recommend it...." Read more

    "Its a good machine. Would be better if the leads were longer or had a more common adaptor...." Read more

    18 customers mention15 positive3 negative

    Customers like the support provided by the company. They mention that the techs are very helpful and friendly, and the service has been great. They also say the machine is easy to service, and is handy for detail work. Customers also appreciate the fast service and the attention to details. Overall, customers are happy with their purchase and recommend it to others.

    "...very good price point, well engineered construction and good attention to details. Very glad I finally bought it!" Read more

    "...The service from the company has been great. The first unit was the red one the new one is blue...." Read more

    "...But I do plan to try it as I understand it is very handy for detail work...." Read more

    "Works great! Priced right! I recommend this product! Great tech support, great value for money, easy to use!" Read more

    109 customers mention70 positive39 negative

    Customers are mixed about the quality of the cutting tools. Some mention that it's fully integrated and constructed out of quality name brand components. However, others say that the quality control is non-existent, the plasma cutter head looks fragile, and is not made for a lot of work.

    "...They went smooth and good bead. The machine was quit and didn’t sound like a Harley but more like a Vespa scooter. None the less it burned fine...." Read more

    "...I have been able to get some strong (if ugly but thats my fault) tig welds out of it in both structural and stainless steels...." Read more

    "...The arc leads are small, short and not made for a lot of work.Overall it has been one of the best investments in tools i have ever made...." Read more

    "...But I need to bring a gas bottle home anyway. I was very pleased with the stainless weld I did on a couple chair legs...." Read more

    48 customers mention31 positive17 negative

    Customers are mixed about the ease of use of the cutting tools. Some mention that it's easy to set up and use, and works well. The directions are good as long as you know what you're doing, and the welder was easy enough to figure out. However, others say that it was already broken, with a broken solder joint on the top board.

    "...No instructions were necessary for installation of hoses, adapters torches etc..for everything is fairly cut and dry...." Read more

    "...when i go to remove the tip, the ceramic that holds the guard broke. basically fell apart in my hand...." Read more

    "...While the manual was a little light on details, the welder was easy enough to figure out (it was not my first time with a TIG)...." Read more

    "...This thing arrives ready to go out of the box with no assembly required. No fiddling with hoses and barbed fittings like other brands...." Read more

    So far  I Like It! ... Going on YEAR 5 and Still going strong  OOps, Make that 7 YEARS
    5 Stars
    So far I Like It! ... Going on YEAR 5 and Still going strong OOps, Make that 7 YEARS
    Bought it when a sale was on. wired it for 230VAC only and have used the plasma cutter a fair amount- including cutting a complete 1970's car into pieces to be taken to the metal recycler. Stick welded for the first time in 20 years and the welds came out fine. Seems to have plenty of amperage available. Also tried tig welding for the first time- I will need some practice but it's not the welders fault. Would like to state that there are no free consumables or anything else offered , regardless of the review- this must have been a practice that was dropped (imo that's a good thing)... Concerns: The 3 year warranty that was being offered has been cut to 1 year and return shipping costs are $$ also the repair cost after the warranty expires appears to be $ 319.00 ( over 3/4s of the NEW purchase price) and not sure if that includes shipping?? Also if there is a problem down the line it would be nice to be able to source schematics ( not included inmanual), circuit boards and individual parts. (some manufacturers offer this). for myself and other electronics technician DIY. Update: been using it for over a year now with no complaints, Has never shut down from running up against it's duty cycle on any of the processes. Once again- very pleased with this combo unit- The $399.99 price for such a capable multi function cutter / welder is the best deal i have seen. but would feel better if the warranty were longer and parts could be sourced without sending the unit in if a problem develops after it is out of warranty. added pictures of a hydraulic press that the plasma did all the cutting for and a set of pallet forks converted for my tractor. which also used plasma and stick functions for.Update 2 almost 4 years of Use. Have had to clean the plasma cutters torch switch, would not trigger consistently until the contacts were cleaned. Working great now in all functions. It has more than paid for itself.Update 3 4 1/2 years of use. Plasma torch button failed. As posted before I cleaned it but it finally died. Bought a $6 replacement switch from plasma dyne with a better quality switch. zip ties and some electrical tape after soldering in the 2 wires. Plasma cutter works great again Also still stick welds and TIG welds Excellentinterim update:Lotos has updated the circuit boards - should simplify wiring and maybe even improve reliability see my pics versus reviewer who bought more recently and posted the circuit board pictures Going on 7 years of use now. Really can not complain. Still Going Strong Had a rush job to cut up a 55 foot mobile home frame. Did it all straight through, the only breaks were for me.... Every weld that this unit made has held up. No failures
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