A low-cost 55 A pilot arc cutter for home shops cutting steel up to 1/2 in. Pick a non-HF model if it will sit next to electronics or a CNC table.
Amazon $229.99
A dual voltage 50 A cutter for farm and fabrication shops that want thick-plate capacity and a CNC port in one machine.
- 50 AOutput
- 1 inRated cut
- 50% at 50 ADuty cycle
- 120/240 VInput
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
- Severs 1-1/4 in steel and handles 1 in plate at slow speed
- Runs from a household outlet at 25 A for light work
- Built-in CNC port for adding a cutting table later
- Grid mode restarts the pilot arc instantly over expanded metal
- Full 50 A output runs half the time on 240 V
- At about 39 lb it is heavier than most 50 A cutters
- Three year warranty, half what Hypertherm gives
The Thermal Dynamics Cutmaster+ family
Every Thermal Dynamics Cutmaster+ model we rank, smallest first. Ratings compare each against its own size.
| Model | Output | Rating | Price |
|---|---|---|---|
| Thermal Dynamics Cutmaster 30+ | 30 A | 3.0/5 | $1,450 |
| Thermal Dynamics Cutmaster 50+ (this one) | 50 A | 3.5/5 | $2,700 |
| Thermal Dynamics Cutmaster 70+ | 70 A | 3.5/5 | $3,485 |
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Model number | 1-5000-1 |
|---|---|
| Cutting | |
| Input voltage | 120/240 V |
| Maximum output | 50 A |
| Rated cut, mild steel | 1 in |
| Sever cut, mild steel | 1 1/4 in |
| Rated duty cycle | 50% at 50 A |
| Pilot arc | Yes |
| Air and build | |
| Air supply | 8.3 cfm, 90 psi |
| CNC port | Yes |
| Weight | 38.6 lb |
| Warranty | 3 years |
| Released | 2024-10 |
Alternatives in this size
A 65 A cutter for home fabricators who cut 1/2 in plate and want gouging in the same box. Check that the compressor keeps up before buying.
Amazon $309.98A light non-HF 55 A cutter for garages with computers or a CNC nearby, cutting steel up to 1/2 in. It suits buyers who also want to gouge out welds.
Amazon $299.28 YesWelder $288.15Compare
Compare the Thermal Dynamics Cutmaster 50+ with any other plasma cutter →
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