An industrial 65 A cutter for farms, trailer builders and shops that cut 3/4 in plate often. It is more machine than most home shops need.
Amazon $4,175
For a hobbyist who cuts clean steel up to 1/2 in now and then and wants the lowest price. Spend more on a pilot arc model for rusty or expanded metal.
- 50 AOutput
- 0.472 inRated cut
- 60% at 50 A, 25 °CDuty cycle
- 120/240 VInput
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
- Cuts 1/2 in steel on 240 V for under $300
- Plugs into a household outlet for sheet metal and thin plate
- Light at 22.5 lb
- No pilot arc: the tip must touch the metal to start, so rusty, painted and expanded metal are harder
- High frequency start can upset nearby electronics
- Duty cycle is rated at 25 C, so expect less in a hot shop
The PrimeWeld CUT50 family
Every PrimeWeld CUT50 model we rank, smallest first. Ratings compare each against its own size.
| Model | Output | Rating | Price |
|---|---|---|---|
| PrimeWeld CUT50 (this one) | 50 A | 3.4/5 | $289 |
| PrimeWeld CUT50DP | 50 A | 3.6/5 | $399 |
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 | CUT50D |
|---|---|
| Cutting | |
| Input voltage | 120/240 V |
| Maximum output | 50 A |
| Rated cut, mild steel | 0.472 in |
| Sever cut, mild steel | 0.63 in |
| Rated duty cycle | 60% at 50 A, 25 °C |
| Pilot arc | No |
| Arc start | High frequency |
| Air and build | |
| Air supply | 5 cfm, 75 psi |
| Weight | 22.5 lb |
| Warranty | 3 years |
Alternatives in this size
A 70 A cutter for farms and fabrication shops that cut thick plate and want a CNC-ready machine. Home shops cutting under 3/4 in can buy smaller.
Amazon $3,485A cheap 50 A pilot arc cutter for hobbyists cutting sheet and steel up to 1/2 in now and then. Its short duty cycle and high-frequency start make it a poor fit for heavy or CNC work.
Amazon $198.90Compare
Compare the PrimeWeld CUT50 with any other plasma cutter →
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