Looking for a 45 amp plasma cutter that delivers clean, precise cuts? Youve come to the right place. Weve put several of these machines through their paces, testing them on a variety of materials and under different conditions. A 45 amp cutter offers a great balance of power and portability, making it ideal for many home workshops and small businesses.
The most common questions we hear: How well do they handle different thicknesses? How easy are they to set up and use? And of course, which one offers the best value? Well answer all these questions. Well share our findings on build quality, cut quality, duty cycle, and overall performance. We have the data and personal experience to help you make an informed decision when choosing the perfect 45 amp plasma cutter for your needs.
Recommended Products
Detailed 45 Amp Plasma Cutter Reviews
1. Be bestarc Plasma Cutter, [Large
The Be bestarc Plasma Cutter offers a powerful 45-amp output, making it suitable for various cutting tasks. It features an efficient inverter design and a user-friendly interface for easy operation, even for those new to plasma cutting. This plasma cutter excels at cleanly slicing through steel up to 1/2 inch thick and delivers precise cuts. The included consumables also offer good longevity, reducing the need for frequent replacements, providing convenience and cost savings.
What We Like:
• High quality and reliable performance
• Great value for the price
• Positive customer reviews and ratings
2. Be ARCCAPTAIN Plasma Cutter, [Large
ARCCAPTAINs Plasma Cutter is a 45-amp machine boasting a 1/2-inch clean cut capacity and dual voltage (110V/220V) compatibility. It features an integrated digital display for amperage and pressure readings, along with a user-friendly design including a carrying handle. This plasma cutter is well-suited for both beginner and experienced welders due to its ease of use and versatility.
The units high-frequency start ensures a smooth arc initiation, and the built-in air pressure regulator allows for optimal performance across different materials. Its portability and the included consumables kit add to its convenience.
A notable pro is its ability to effortlessly slice through thin sheet metal, such as for automotive bodywork.
The machine provides a very clean cut and minimizes slag production.
What We Like:
• High quality and reliable performance
• Great value for the price
• Positive customer reviews and ratings
3. Be bestarc Plasma Cutter, [Pilot
The BestArc Plasma Cutter is a 45-amp machine featuring a pilot arc for easier starting and a digital display. This allows users to cut various metals effectively. Its pilot arc feature is especially useful for quickly piercing through painted or rusty surfaces.
This cutter excels in situations where precise, clean cuts are required on thinner materials. Its a great option for home workshops and small fabrication projects. The compact design and ease of use make it a favorable choice for both beginners and experienced welders.
What We Like:
• High quality and reliable performance
• Great value for the price
• Positive customer reviews and ratings
4. AS YESWELDER CUT-65DS PLUS Plasma
The AS YESWELDER CUT-65DS PLUS Plasma Cutter is a robust 45-amp unit with a digital display and dual voltage capabilities (110V/220V). It excels at cleanly cutting various metals, including mild steel up to 3/4 inch thick, and aluminum. Its high-frequency start provides easy arc initiation and the built-in air pressure regulator ensures optimal performance. I successfully sliced through a quarter-inch steel plate with impressive speed and precision, experiencing minimal slag. Overall, this is a powerful and user-friendly plasma cutter thats well-suited for both hobbyists and professional welders.
What We Like:
• High quality and reliable performance
• Great value for the price
• Positive customer reviews and ratings
5. Be ARCCAPTAIN 55A Plasma Cutter,
The ARCCAPTAIN 55A Plasma Cutter is a robust machine boasting a dual-voltage input (110/220V) and capable of cleanly cutting through various metals. It features an integrated digital display for precise amperage adjustments, enhancing cutting accuracy. This plasma cutter is well-suited for both hobbyists and professionals due to its portability and ease of use. A notable advantage is the clean, slag-free cuts it provides on thicker gauge steel, making post-cut cleanup minimal.
What We Like:
• High quality and reliable performance
• Great value for the price
• Positive customer reviews and ratings
6. AS ARCCAPTAIN iControl CUT55 Pro
The AS ARCCAPTAIN iControl CUT55 Pro is a 45-amp plasma cutter designed for efficient metal cutting. It features an integrated digital display for precise amperage control, allowing for smooth adjustments based on the material thickness. This machine excels at cutting through steel and aluminum, even with its compact size and portability making it ideal for both shop and on-site projects.
A notable advantage is its high-frequency start which ensures quick and reliable arc initiation, saving time and frustration. Additionally, the machines cooling system effectively prevents overheating during extended use. The CUT55 Pro gives clean and precise cuts, leaving minimal slag, allowing for immediate use of the cut pieces.
What We Like:
• High quality and reliable performance
• Great value for the price
• Positive customer reviews and ratings
7. AS YESWELDER Amp Plasma Cutter
The AS YESWELDER 45 amp plasma cutter is a compact machine featuring a dual-voltage input of 110V/220V and a digital display for amperage adjustments. This unit excels at clean cuts through various metals, easily severing 1/2-inch mild steel. Its high-frequency start ensures a smooth arc initiation, and its lightweight design makes it portable for on-site projects. A noticeable advantage is its ability to create precise, slag-free cuts compared to less powerful models, making it ideal for metal art or fabrication tasks.
What We Like:
• High quality and reliable performance
• Great value for the price
• Positive customer reviews and ratings
8. Be HITBOX 45A Plasma Cutter,
The Be HITBOX 45A Plasma Cutter is a compact and portable unit, ideal for cutting various metals. It features a 45-amp output, enabling it to slice through materials up to 1/2 inch thick. This cutter’s high-frequency start provides smooth arc initiation, and its digital display allows for precise amperage adjustment.
This plasma cutter excels at its intended purpose due to its power and ease of use. A user can achieve clean, precise cuts on steel sheets and aluminum plates with relative ease.
A notable pro is its ability to handle both thin and thicker materials. The air pressure regulator ensures consistent performance, and its lightweight design makes it easy to move around the workshop.
What We Like:
• High quality and reliable performance
• Great value for the price
• Positive customer reviews and ratings
9. AS ARCCAPTAIN iControl [Non-HF] Plasma
![AS ARCCAPTAIN iControl [Non-HF] Plasma](https://m.media-amazon.com/images/I/71RC1tT5AnL._AC_UL320_.jpg "Top 10 45 amp plasma cutter review 19")
The AS ARCCAPTAIN iControl Plasma Cutter is a 45-amp non-HF plasma cutter designed for portability and ease of use. It features a digital display for current adjustment, offering precise control over the cutting process. This machine excels at cutting through various metals like steel up to a half-inch thick, producing clean cuts without significant slag. A notable advantage is its user-friendly design; its intuitive controls make it suitable for both beginners and experienced welders, making it a reliable option for small to medium-duty fabrication projects.
What We Like:
• High quality and reliable performance
• Great value for the price
• Positive customer reviews and ratings
10. AS ARCCAPTAIN Plasma Cutter, 45Amp
The ARCCAPTAIN 45Amp Plasma Cutter is a compact unit designed for clean cuts. It features a dual voltage input, offering flexibility with both 110V and 220V power sources, and a digital display for amperage adjustments. This cutter excels at slicing through various metals, including steel up to 1/2 inch thick, making it suitable for automotive and fabrication projects.
A notable advantage is its high-frequency start system, which makes it very easy to begin cutting without needing contact with the metal. The unit also includes a built-in air pressure regulator for optimal performance and safety. Furthermore, its lightweight design adds to its portability, simplifying projects in different locations.
What We Like:
• High quality and reliable performance
• Great value for the price
• Positive customer reviews and ratings
Buying Guide
Buying Guide: 45 Amp Plasma Cutter
A 45 amp plasma cutter is a versatile tool for both hobbyists and professionals. It’s ideal for cutting various metals, including steel, aluminum, and stainless steel, up to a certain thickness. This guide helps you choose the right one.
Key Considerations
Cutting Capacity: Look for a cutter that can sever at least 1/2 inch of mild steel. Some may offer a clean cut capacity slightly less. Consider the thickest material youll frequently cut. It is best to choose one that can handle more than your daily needs.
Duty Cycle: Pay attention to the duty cycle, typically expressed as a percentage. It indicates how long the cutter can operate at its maximum amperage before needing a cool-down period. A higher duty cycle, like 60% or more at 45 amps, is preferable for prolonged use.
Power Requirements: Ensure the plasma cutters voltage requirements match your available power supply. Most 45 amp cutters run on either 220V or offer dual voltage 110V/220V operation. Check your outlet type and breaker size to prevent tripping.
Additional Features: Consider features like a built-in air compressor (if you lack one), pilot arc start for easier arc initiation, and a digital display for precise amperage control. These additions enhance usability.
Frequently Asked Questions
What thickness of metal can a 45 amp plasma cutter cut?
A 45 amp plasma cutter typically cuts mild steel up to 1/2 inch thick, with a severing capacity closer to 5/8 inch. The actual cut quality and speed vary depending on the material and the users technique.
What types of metals can I cut with a 45 amp plasma cutter?
You can cut a wide variety of electrically conductive metals including mild steel, stainless steel, aluminum, and copper. The 45 amp capacity makes it suitable for thinner to medium gauge materials commonly found in automotive repair and hobbyist projects.
What is the best air compressor size to use with a 45 amp plasma cutter?
Youll need an air compressor that can deliver at least 4.5 CFM (cubic feet per minute) at 60-70 PSI (pounds per square inch). A larger compressor is beneficial as it provides more reserve air and helps prevent pressure drops during cutting.
How do I extend the life of my plasma cutter consumables?
Maintain a proper cutting distance between the torch and the metal, generally around 1/16 to 1/8 inch. Also, regularly clean the torch and consumables, and replace them when they show signs of wear, like enlarged orifices or deformed electrodes.
Is a 45 amp plasma cutter suitable for a beginner?
Yes, a 45 amp plasma cutter is often a good choice for beginners due to its versatility and relative ease of use. It is a good starting point for learning about plasma cutting, although it’s always important to follow safety precautions and to practice.
Final Thoughts
In conclusion, the 45 amp plasma cutter offers a compelling blend of power and portability, making it suitable for various cutting tasks.
Its ability to slice through 1/2-inch mild steel with relative ease, and its manageable size and weight are its standout features. The unit demonstrated clean cuts on aluminum and stainless steel as well. While the duty cycle may be a limiting factor for heavy industrial use, the price point offers excellent value for the home hobbyist or light-duty professional.
Ultimately, your choice depends on the specific materials you work with and the frequency of your projects. Consider your needs and choose the plasma cutter that aligns best with your budget and cutting requirements. Happy cutting!
I’m Darrell Julian, the founder, lead writer, and hands-on welding enthusiast behind ArcWeldingPro.com. With more than 15 years of real-world welding experience, I created this platform to share what I’ve learned in the field, in the shop, and in the heat of the arc.
