Lotos CT520D Review
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The Lotos CT520D is a plasma cutter, designed for cutting metal up to 1/2 inch thick. It can easily be used in commercial and industrial settings, and is especially useful for fabricating metal frames or objects with complex shapes. This powerful machine runs on 110V power supply so it’s great for home use too. In this comprehensive review, we’ll answer all the common questions about Lotos CT520D as well as provide useful tips and reviews from users. Let’s dive in!
Lotos CT520D Introducing the Lotos CT520D – the perfect companion for anyone who loves to tackle DIY projects or who needs a reliable machine for welding and cutting jobs! This incredible machine has two capabilities – plasma cutting and TIG welding.
Using its powerful 50AMP Plasma Cutter Output, you can cut up to 1/2” thick steel or 3/4” severance cuts with stainless steel, alloy steel, mild steel, copper, and aluminum. Plus it has a handle for portability, so you can easily move it around as needed.But that’s not all – the Lotos CT520D also offers 15-200AMP DC TIG Electric Current Output capabilities for precision welding of stainless or steel and thin-gauge materials. With HF arc start hand torch control and precise foot pedal welding heat control (a foot pedal and Argon regulator are not included), you can get that desired weld every time.So don’t wait – pick up your Lotos CT520D today for high quality professional results without breaking the bank!

Lotos CT520D User Manual

Having problem? Download Lotos CT520D instructions.

Pros & Cons of Lotos CT520D

  • Powerful 50AMP Plasma Cutter Output
  • Cut up to 1/2” thick steel or 3/4” severance cuts with stainless steel, alloy steel, mild steel, copper, and aluminum
  • Easy to move around with its handle
  • 15-200AMP DC TIG Electric Current Output for precision welding of stainless or steel and thin-gauge materials
  • HF arc start hand torch control and precise foot pedal welding heat control
  • Affordable and budget friendly

  • Argon regulator, Tig Torch and Foot Pedal not included
  • Can be heavy for some users to move around with its handle

Buyer’s Guide

Why Lotos?

The Lotos CT520D is a great choice for those looking for a powerful, portable plasma cutting machine. It has an impressive 200 amp output, allowing it to cut through metal up to 1″ thick with ease.

Why Lotos?

The unit also features dual voltage (110/220) operation and an adjustable air pressure regulator, making it suitable for use in a variety of work environments. Additionally, the device is easy to use and comes with a one-year warranty for peace of mind.[2]

For Whom Lotos CT520D Designed For?

The Lotos CT520D is ideal for professionals who regularly use plasma cutters to work with metal in their projects. It is also suitable for beginner hobbyists and DIYers – its user-friendly design makes it easy to set up and operate, even if you don’t have much experience with plasma cutting machines. The dual voltage input allows you to use Lotos CT520D with both 120V and 230V outlets, making it even more versatile.[2]

Lotos CT520D specs at a glance

At first glance, the Lotos CT520D is a powerful and reliable plasma cutter.

It has an IGBT inverter technology that provides 50-amp cutting current with maximum severance thickness of 1/2” (12 mm) at 32 inches per minute.
It also has adjustable post flow time, arc striking system and built-in air pressure regulator. The machine also features a sophisticated pilot arc system that allows it to cut through rusted and painted surfaces without damaging the material or the environment.

Design and Portability

The Lotos CT520D is a portable plasma cutter with a compact design. It has an ergonomic handle that makes it easy to carry, and its dimensions are 11.2 x 10.8 x 6 inches (length x width x height), meaning it can fit comfortably in most storage spaces. The machine weighs just 16 pounds, so it is light enough to be carried around easily.

It has two LED indicators that display the current state of the machine, and it comes with a three-pin plug for connecting it to a power source. The device also comes with an air pressure regulator and gauge, so you can adjust the air pressure depending on your needs.[2]


The Lotos CT520D is equipped with an impressive array of features and specifications. It has a maximum output of 200 Amps, allowing it to be used for heavy-duty welding applications. The machine also has a duty cycle rating of 60 percent, meaning it can produce continuous welds without overheating or shorting out. Additionally, the CT520D comes with a 3 in 1 TIG, Stick, and Plasma Cutter. This allows you to easily switch between welding modes without needing any additional equipment.[2]

Plasma Cutter Unboxing

Once you’ve purchased the Lotos CT520D, the process of unboxing and setup is straightforward. Begin by taking out all the components: an operator’s manual, power cord, air hose, a torch head and consumables (electrodes and nozzles).

Next, identify where to plug in your connections – air hose, power cord and torch head. The operator’s manual has detailed instructions on how to properly connect each of these components.

Plasma Cutter Unboxing

Start by connecting the air hose to your plasma cutter – both the inlet and outlet sides require immediate attention. Make sure all connections are tight and that there is no leakage at any point. Once done, connect the power cord and torch head.

Now that all components are connected, you’re ready to turn on your plasma cutter! Make sure your air compressor is running and then press the “ON” button on the machine. You should hear a short burst of air before the main control panel lights up – this indicates that your machine is ready to work.[2]

Making spatter

The Lotos CT520D is a great choice for anyone looking to make precision cuts without the need for spatter. This plasma cutter uses an inverter-based power supply, which provides a very stable arc and ensures that no spatter will be produced during your cut. The torch also has a precision trigger, which gives you excellent control over the voltage and amperage of your cut. The torch also has a built-in fan that helps to keep the temperature of the cutting area down, making it easier to make precise cuts without causing spatter.

Reversible drive rolls

The Lotos CT520D is equipped with reversible drive rolls, which allow you to use the machine for both MIG and flux-cored welding. This feature makes it one of the most versatile machines on the market. It also offers full 4-in-1 multi-process capability – you can use it for MIG, Stick, TIG, and flux-cored welding. The Lotos CT520D is capable of both gas and gasless MIG welding. The drive rolls are made from high-quality materials that can handle any kind of wire you might use for your projects. They are easy to install, and the tension adjustment wheel makes setting up a breeze.

Hinged door

The Lotos CT520D features a hinged door, making it easier to access the interior of the machine.

This design is especially useful when welding or cutting larger materials.
The door can be securely locked with four screws, ensuring that no sparks will escape from the machine during operation. For added convenience, you can also store your welding rods and other necessary parts inside the machine for easy access. In addition, the hinged door allows for proper ventilation of the machine, ensuring that it stays cool even during extended use. This is an important feature to have in a welding machine as it prevents overheating and possible damage to internal components. [2]

Power output

The Lotos CT520D is a powerful plasma cutter with an output of 200A at a duty cycle of 60%. It can cut through 1/2″ steel and stainless steel, making it ideal for professional and industrial applications. The adjustable power settings allow you to customize the machine’s performance to suit your needs. Additionally, this machine is capable of cutting other metals, including aluminum and copper.[1]

Weight and Transportation

The Lotos CT520D is made from high-quality grade materials and weighs only 19.2 pounds. It’s lightweight and compact design makes it easy to transport and store when not in use. The included handle also allows for easy maneuverability between job sites as well, making this one of the most portable welder on the market. The Lotos CT520D is a great choice for those who need to take their welding equipment with them on the go.[1]

Wire Speed and Voltage Settings

The Lotos CT520D is equipped with an adjustable wire speed and voltage settings. The advantage of these settings is that it allows you to personalize your welding experience. The power source can be adjusted from 10 to 200 amps for smooth and consistent welds. You can also adjust the heat input for different types of materials and thicknesses.

Wire Speed and Voltage Settings

The voltage settings can be adjusted from 10-50 volts. This is great for aluminum and other thin metals as it allows you to control the amount of heat input in each weld. The wire speed settings are adjustable up to 8 inches per minute, allowing you to find the right speed for your welding application.[1]

System setup

The Lotos CT520D is designed to be easy to set up and use. It comes with a comprehensive user manual that covers all of the basic setup steps, as well as any special adjustments you might need to make for your specific welding project. The system is also equipped with a number of safety features, such as its over-temperature protection and built-in grounding circuit.

For best results, it is recommended that you read the full user manual before attempting to assemble the system or perform any welding operations. Additionally, it is important to ensure that all safety procedures are followed closely while setting up and using the equipment. Once assembled, you can begin welding with the Lotos CT520D.


The Lotos CT520D is an incredibly versatile piece of equipment, offering a wide range of cutting and welding capabilities. The machine has a 4-in-1 functionality that allows you to cut metal up to ½ inch thick, weld aluminum up to 1/8 inch thick, as well as plasma cut and gouge with the included torch. This machine also has the added benefit of being compact and lightweight, making it highly portable and ideal for taking to job sites or other remote locations.[1]


The Lotos CT520D is a great value-for-money welder. It comes at an affordable price of $629, and you get all the features that make it a powerful tool for welding projects. The torch kit includes everything you need to start welding with your new machine: electrode holder, ground clamp, power cord, and argon regulator. The price also includes a two-year warranty that covers repairs, parts, and labor.

Warranty Options

The Lotos CT520D comes with a one-year limited warranty, making it an excellent choice for those who want peace of mind when purchasing plasma cutters. The warranty covers all parts and labor associated with the machine, ensuring that you’re covered in case anything goes wrong. Additionally, the company offers an extended warranty option which can provide coverage for up to three years. This allows you to extend the life of your purchase and gives you extra protection in case of any mishaps. It’s important to note, however, that many extended warranty plans will require additional fees and may not cover all aspects of the machine. As always, it’s best to read the fine print before making any purchase.[1]

Safety features

The Lotos CT520D is equipped with a wide variety of safety features to help ensure safe operation. The machine is designed with an automatic shutoff feature that will shut off the plasma cutter when the air pressure or temperature reaches an unsafe level. Additionally, all components on the machine, including the power source, torch and cutting cable, have been tested for safety before being released.[1]

Who Should Consider Getting a Lotos  CT520D Plasma Cutter?

If you’re looking for a reliable, powerful plasma cutter that offers professional-grade performance and accuracy, then the Lotos CT520D may be just the tool for you. This easy-to-use machine is suitable for both DIYers and professionals alike, making it a great choice for any welding or cutting job. It has an impressive cutting speed of up to 18mm, allowing it to quickly and accurately slice through thick materials like steel, aluminum, copper and more. Thanks to its built-in pilot arc technology, the Lotos CT520D is able to easily cut through rusty or painted surfaces without having to pre-treat them first.[1]

Where to buy the Lotos CT520D?

The Lotos CT520D is widely available and can be purchased online. It is also sold in many hardware stores and welding supply shops. You may want to compare prices before making your purchase.

Be sure to check the return policies of each store so that you can find the best deal for your needs.
Additionally, most manufacturers offer extended warranties for the Lotos CT520D, so be sure to ask about them when you make your purchase. With proper care and maintenance, your Lotos CT520D should last for many years.[2]

What Happened to the Lotos  CT520D?

The Lotos CT520D was a popular plasma cutter model from the renowned Chinese manufacturer Lotos Technology. The device, which featured both air and oxygen plasma cutting systems, had been in production since 2015, but was discontinued shortly after 2020 due to demand for more advanced models.[2]

What should you know before buying the Lotos  CT520D?

When considering the purchase of a Lotos CT520D you should be aware that it is a plasma cutter designed for both home and professional use. It has an impressive cutting capacity of ¼-inch mild steel, so it can easily handle most DIY projects or repairs. The machine itself is relatively lightweight at just over 30 pounds, making it easy to transport and use.

What should you know before buying the Lotos  CT520D?

The Lotos CT520D also includes some advanced features that make it stand out from other plasma cutters in its class. For example, the automatic dual voltage input feature adjusts to any power source between 110v and 240v without manually selecting the correct voltage setting.[2]


Is Lotos a good welder?

Yes, the Lotos CT520D Plasma Cutter/TIG/Stick Welder 3-in-1 Combo is an excellent welding machine for both professional and DIY projects. It’s easy to set up and use, has a wide range of settings to accommodate all types of metals and thicknesses, and is relatively lightweight compared to other 3-in-1 welders. The high power of this machine makes it ideal for heavy-duty projects, so it’s perfect for both beginners and professionals alike.

Where is the Lotos plasma cutter made?

The Lotos CT520D Plasma Cutter/TIG/Stick Welder 3-in-1 Combo is manufactured in China. It is designed and tested to ensure safety and performance according to the stringent standards set forth by the American Welding Society (AWS).

What is a Lotos plasma cutter?

The Lotos CT520D Plasma Cutter/TIG/Stick Welder 3-in-1 Combo is a multi-function welding machine that combines the power of plasma cutting, TIG welding, and stick welding into one easy to use machine. It can cut through up to 1” thick metal with clean, precise cuts.

How to use Lotos LTP5000D?

Using the Lotos CT520D Plasma Cutter/TIG/Stick Welder 3-in-1 Combo is easy. First, make sure to wear proper safety gear and be sure to read the manual before use. Then, connect the air compressor hose to the machine and plug it into a power source. Once that’s done, select the welding mode you want to use and adjust the settings by turning the knobs on the front of the machine. Finally, select your desired metal thickness and begin welding or cutting!

What is the difference between touch and non touch plasma cutter?

The main difference between touch and non-touch plasma cutters is that the touch type can sense when a workpiece is close to the electrode, allowing it to adjust its output voltage automatically. This reduces the risk of damaging delicate materials such as electronic components. Non-touch cutters do not have this feature, so they require more skill and experience to use correctly.

Video Guide: Lotos CT520D Air Plasma Cutter Tig Stick review


The Lotos CT520D is an excellent choice for those looking for a reliable and reasonably-priced plasma cutter. It has many features that make it suitable for do-it-yourselfers and professional welders alike, including its adjustable air pressure, fine cutting capabilities, integrated non-hazardous compressed air dryer, and built-in pilot arc. With these features, you can easily cut through most materials with precision and accuracy. Furthermore, its portability makes it ideal for taking your projects on the go.

Overall, the Lotos CT520D is an excellent choice for those looking to purchase a reliable plasma cutting machine that won’t break the bank. It’s powerful, portable, and provides a great value for the money. If you’re looking for an all-around great plasma cutter, then this is the one to get. With its combination of features and price point, it’s definitely worth your consideration!


  1. https://weldingpros.net/lotos-230-review/
  2. https://fixitmanblog.com/lotos-230-reviews/

Hello! I'm a James Miller, and I'm an expert in materials science. I learned different metal properties in the New Jersey Institute of Technology, and I know everything about all kinds of metal. That's why I want to share my experience with you.

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