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MinarcTig250 Kemppi MinarcTig 250 Ready to Weld Package, includes TIG Torch & Earth Cable - 400v, 3ph
  • MinarcTig250 Kemppi MinarcTig 250 Ready to Weld Package, includes TIG Torch & Earth Cable - 400v, 3ph
  • MinarcTig250 Kemppi MinarcTig 250 Ready to Weld Package, includes TIG Torch & Earth Cable - 400v, 3ph
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Kemppi MinarcTig 250 Ready to Weld Package, includes TIG Torch & Earth Cable - 400v, 3ph
MinarcTig250

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Prices From £2465.00 ex VAT
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Powerful, portable & compact

The MinarcTig 250 is an ideal DC TIG welding solution for installation, repair and maintenance applications. The 250 amp model suits high-quality work, and the lightweight and compact size is a real bonus for professionals on the move-around site.

MinarcTig 250 is a dual-process machine, providing an impressive DC TIG and MMA welding experience. A high 35% duty cycle and light weight combine real performance advantages, plus exceptional control in low current ignition, which means refined TIG welding quality for precise applications.

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415v TIG Welders FAQs

Straight answers to the questions people ask most when choosing and using three phase TIG welders.

What is the supply requirement?icon-minus-redicon-plus-red

A three phase machine needs a suitable three phase supply with the correct voltage and protection. The data plate and manual specify the voltage range, input current and fuse or breaker size. Many machines accept a range of three phase voltages.

Have the installation, cable and isolator fitted and checked by a competent electrician. Do not use adaptors or improvised connections, and make sure the supply capacity suits the full welding output.

How do I choose the output rating?icon-minus-redicon-plus-red

Consider the thickest material and the metal. Aluminium needs more current than steel for the same thickness. Choose a machine with a maximum current comfortably above what you will need regularly, since this gives a better duty cycle, a cooler running machine and headroom for heavier jobs.

Also consider the lowest current. A machine with a low, stable minimum current suits thin material and precise work. A wide range between minimum and maximum makes the machine more versatile.

What does duty cycle mean?icon-minus-redicon-plus-red

Duty cycle is the proportion of a ten minute period that a machine can weld at a given current without overheating. A figure of 60 percent means six minutes welding and four minutes cooling. It falls as current rises.

For continuous production welding, choose a machine whose duty cycle at your working current is high. Industrial three phase machines are generally built to a higher duty cycle than lighter single phase ones. Check the rating at the current you will actually use.

AC/DC or DC only: which do I need?icon-minus-redicon-plus-red

A DC machine welds steel, stainless steel, copper and many other metals, but not aluminium or magnesium. An AC/DC machine adds AC output, which cleans the oxide layer on aluminium and magnesium so they can be welded properly.

If you will ever weld aluminium, choose AC/DC. Look for adjustable AC balance and frequency, which let you tune the cleaning action and the arc focus.

See all 6 questions for this category

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