WELDTECH 140A Inverter MMA / ARC Welder

WELDTECH 140A Inverter MMA / ARC Welder

Regular price
Sale price

The Weldtech WT141ARC inverter welder is a great portable welding unit. Cutting edge electronics help you weld like a pro on home, workshop and on-site projects

Powerful - 140A welding power up to 8mm steel thickness

Portable - Only 3.2kg super light weight and portable

Reliable - Cutting edge inverter technology ensures ultimate reliability

  • Suitable for welding mild & high tensile steels
  • Exceptionally smooth welding power
  • Automatic ARC force and hot start for greater control and ease of use
  • Electronically variable from 10 - 140A
  • Extremely portable and convenient at only 3.6kg!
  • High open circuit voltage
  • Welds 1.6 - 3.2mm electrodes
  • 60% Duty Cycle @70A
  • 18 month warranty with online registration
  • Package includes: ARC lead, Earth Lead.





Input Power Supply -

 230V AC 10A 50/60Hz 

Input Power Supply Tolerance


Maximum Input Current 


Generator Capacity 


MMA Output Current


MMA O/C Voltage 


MMA Duty Cycle 

140A@10%, 70A@60%  100A@55%

Insulation Class  


Power Efficiency 


Power Factor


MMA Rod Size


With 10A Plug - Ideal for home and workshop power supplies!

*18 Month warranty only valid with online registration at www.weltech.net.nz

FREE SHIPPING - On all orders over $300.00 (NZ only)


Here at Herbos Equipment, we try and keep things simple with our shipping!

For orders under $300, we have set rates based on the weight of our products:


Items less than 1kg $4.95 NZ Wide
Items between 1 and 5kg $9.95 NZ Wide
Items between 5 and 10kg $14.95 NZ Wide
Items between 10 and 15kg $19.95 NZ Wide
Items between 15 and 20kg $29.95 NZ Wide
Items over 20kg (extra large) $49.95 NZ Wide


Stock Levels:

We try and maintain stock of our products, but from time to time we may need to back order certain items from our suppliers if we have sold out. We update our inventory system regularly however sometimes items can be oversold before the 'sold out' status uploads to the website. In this situation, we will contact you immediately after you place an order and give you the option of a full refund or an expected ETA on the item you've purchased if you're happy to wait.

Larger items and machines are generally shipped directly from our suppliers to keep our freight and overheads low, thus meaning we can keep our prices as low as possible.


International Shipping

We currently only ship certain items internationally (Australia only at the moment). If you would like to order an item and you live outside New Zealand, please feel free to contact us to discuss shipping options. We are happy to send anything, anywhere on the planet!


Returns and Refunds Policy

Please click here for information about our returns and refunds policy