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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)

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Powerful 10-in-1 Welder&Cutter

Upgraded LCD Screen

Lightweight & Portable

Features

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Pulse MIG Welding
  • Allows to MIG weld Aluminum

  • Inductance Adjustment

  • Pre/Post Gas Adjustment

  • 2T/4T Adjustment

  • Spool Gun Supported

  • Smart Memory Supported

*Press the Menu Button to switch, then rotate the Current Button to adjust the parameters

High Frequency TIG
  • Pulse Frequency Adjustment

  • Pulse Width Adjustment

  • Pre/Post Gas Adjustment

  • 2t/4T Adjustment

  • Foot Pedal Supported

  • Smart Memory Supported

*Press the Menu Button to switch, then rotate the Current Button to adjust the parameters

Pilot Arc Plasma Cutting
  • Non-touch Pilot Arc Ignition

  • Pilot Arc Current Adjustment

  • Post Gas Adjustment

  • 2T/4T Adjustment

  • Smart Memory Supported

MMA/Stick Welding
  • Hot Start Supported

  • ARC Force Adjustment

  • Anti-Sticky Supported

  • VRD ON/OFF

  • Smart Memory Supported

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Smart Memory Mode

 

This year we also added the Smart Memory Mode to the new Upgraded SD-4050Pro(2024). Memory mode allows you to save 10 sets of parameters on each welding mode, from M0 to M9.

*Please Note: Flux cored welding mode can only save 1 set of parameter.

Spool Gun Supported

 

One of the standout features is the enhanced Pulse MIG welding function. THERE IS MORE. Our enhanced Pulse MIG welding function now supports the use of a spool gun.

Foot Pedal Supported

 

That's not all. We also added a foot pedal control to our Upgraded SD-4050Pro(2024)

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High Quality Accessories

15AK-MIG Torch
  • [Comfortable Grip]: lightweight curved handle with soft rubber injection molding, improving comfort and making it easier to grasp the gun

  • [100% Duty Cycle]: Running at 100% load cycle helps it withstand difficult work.

  • [Quality & Application]: Easy access to the consumable kits Suitable for all MIG MAG Devices with 15AK Welding Torch from other Manufacturers. Applicable for SSimder MIG-140M/MIG-250/MIG-250D/SD-4050Pro

  • [Accessories Complete]: MIG Gun Torch*1, 0.030" & 0.035" tips *1, Contact Tip For Aluminum Welding*1, Red Copper Nozzle*1, U-groove Wire Feeding Wheel*1, K-groove Wire Feeding Wheel*1, Conduit Linner*1, Gas Hose*1

WP17-TIG Torch
  • 13Ft / 4M long Air Cooled TIG Welding Torch

  • 10-25 Plug with 2-pin Applicable for SSimder SD-4050Pro & Upgraded SD-4050Pro[2024]

  • Quick Connector Option: 10-25mm/10-35mm

  • Electrode Size: 0.5-2.4MM

Plasma Cutting Torch

  • Upgraded Non-Touch Pilot Arc

  • Length: 4 meters (13.12 feet)

  • Exquisite workmanship, pursuit of quality

  • Specifically suitable for Upgraded SD-4050Pro[2024]

  • For use with IPT40 Pilot ARC Plasma Cutting Consumables

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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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