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About SD-4050 Pro

One year ago, we introduced you to our groundbreaking 10-in-1 Welder & Cutter. We are proud to celebrate a significant milestone in our 10-in-1 Welder&Cutter. It successfully raised $450,000 in crowdfunding , with the support of thousands of backers worldwide who believed in our vision.

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Upgraded SD-4050Pro (2024) Is Coming

Shipped Before January 20th

We are excited to share with you the culmination of those efforts — the NEW SD-4050 Pro model that builds upon the foundation we laid last year.

Sign Up To Get Extra $50 Off Coupon

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PULSE MIG

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Pilot Arc Cutting

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HF TIG

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MAG

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CO2 MIG

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FCAW

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MMA

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SYNERGY CONTROL

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SMART MEMORY

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2T/4T

LCD SCreen (Smart Memory)

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Pulse mig (Spool gun supported)

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HF TIG (FOOT PEDAL SUPPORTED)

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Pilot arc plasma cutting

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Stick Welding

Flux Core welding

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Reviews from our Customers on Amazon

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19 Novermber 2018

Good buy​​

  • Shocked at the power this little thing has I ran a 3/32 7018 rod on a half inch plate and had no problems

  • This thing is a beast I highly recommend!!

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Yes, I recommend this product.

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24 January 2021

I couldn’t believe it!!

  • It’ll do good 6010 roots & 7014 caps on .25” with excellent penetration..

  • Like excellent penetration.

  • If you’re looking for a cheap bobby box this is the one.

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Yes, I recommend this product.

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09 July 2021

Nice compact powerful plasma

  • Very good powerful plasma cutter for the price. 110V is ideal for portability since I have a portable air tank.

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Yes, I recommend this product.

Specification

Specification

110V

Mode:

GMAW,SMAW,GTAW,Plasma Cutting

Rated Power Input: 110V±10%

Input Frequency: 50/60Hz

Maximum Input Current(A): 45A

Maximum Input Effective Current(A): 34.8A

Efficiency: ≥80%

Rated Duty Cycle:

60% Rated Duty Cycle at

140A / 21V(GMAW)

140A / 25.6V(SMAW)

140A / 15.6V(GTAW)

40A / 96V(Pilot Arc Cutting)

100% Rated Duty Cycle at

108A / 19.4V(GMAW)

108A / 24.3V(SMAW)

108A / 14.3V(GTAW)

30A / 92V(Pilot Arc Cutting)

Temperature Range:

Operating Temperature Range

-10℃~ + 40℃(14℉ ~ 104℉)

Storage Temperature Range

-25℃~+ 55℃ (-13℉ ~131℉)

Power Factor: 0.93

Insulation Class: F

Protection Class: IP21S

220V

Mode:

GMAW,SMAW,GTAW,Plasma Cutting

Rated Power Input: 220V±10%

Input Frequency: 50/60Hz

Maximum Input Current(A): 29A

Maximum Input Effective Current(A): 22.4A

Efficiency: ≥80%

Rated Duty Cycle:

60% Rated Duty Cycle at

200A / 24V(GMAW)

200A / 28V(SMAW)

200A / 18V(GTAW)

50A / 100V(Pilot Arc Cutting)

100% Rated Duty Cycle at

154A / 21.7V(GMAW)

154A / 26.1V(SMAW)

154A / 16.1V(GTAW)

38A / 95.2V(Pilot Arc Cutting)

Temperature Range:

Operating Temperature Range

-10℃~ + 40℃(14℉ ~ 104℉)

Storage Temperature Range

-25℃~+ 55℃ (-13℉ ~131℉)

Power Factor: 0.93

Insulation Class: F

Protection Class: IP21S

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