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WeldTech  |  SKU: 6400

WeldTech 140A Inverter MMA Welder - All the Technology To Help You Weld Like A Pro

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140A Inverter MMA Welder

The WeldTech 140A Inverter MMA Welder incorporates cutting edge electronics to help you weld like a pro at home, the 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 IGBT technology ensures ultimate reliability.


Digital Microprocessor control.

Suitable for welding mild & high tensile steels.

Exceptionally smooth welding power.

Automatic ARC force and hot start for greater control and ease of use.

High open circuit voltage.

Welds 1.6 - 3.2mm electrodes.

55A duty cycle @ 100%.

Model WT141ARC


Input Power Supply 230V AC 10A 50/60Hz
Input Power Supply tolerance 185V - 276V
Maximum Input Current 33kVA
Generator Capacity 7.6kVA
MMA Output Current 10A - 140A
MMA O/C Voltage 55V
MMA Duty Cycle 140A@10%  70A@60%  100A@55%
Insulation Class IP21
Power Efficiency 80%
Power Factor 0.65
MMA Rod Size 1.6 - 3.2mm
Dimensions (mm) 280 x 120 x 190
Weight 3.2kgs

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All Prices Include GST

If you have any questions about this product get in touch

We welcome collection from our Auckland warehouse, however please note we also have bulk warehousing in Christchurch and not all items are available for immediate pickup.

Collection is typically available within 48 hours.

We recommend checking with us first if urgent collection is required.

Please call 09 475 6656 to confirm.

Payment & Security

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Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Usually ships within 48 hours of payment confirmation

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Frequently Asked Questions


What countries do you ship to?

We currently ship to the United States, Canada, Australia and the UK. To enquire about shipping to a different destination, please contact us.

How long will it take to receive my order?

Standard shipping normally takes 3-5 days. Next day shipping is available on all domestic orders (for an additional charge). International shipping times depend on the products and destination (estimated at checkout).

Returns and Refunds

How do I return a product?

Items must be returned within 30 days after receiving your order. Items must be returned in the same condition in which they were received, be unworn/unused, have any tags still attached, and include all the original packaging.

How long will it take to receive my refund?

Refunds are processed within 7 days from when we receive the item(s).