Rapid Ref : 907881002XP

Miller XMT 400 Multiprocess Welder Package - 380-575v, 3ph
907881002XP

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Prices From £8727.00 ex VAT

High-quality performance in all welding processes.
Adaptive Hot Start makes starting stick electrodes easy without creating an inclusion.
Infinite arc control available in the stick and wire modes for easier fine tuning of tough-to-weld materials and out-of-position applications.
Lift-Arc provides arc starting that minimizes contamination of the electrode and without the use of high-frequency.
For portability and reliability, Auto-Line allows for any input
voltage hookup (208–575 V, single- or three-phase) with no manual linking, providing convenience in any job setting. Ideal solution for dirty or unreliable input power.
14-pin receptacle has the flexibility to be used with spool guns, legacy 14-pin feeders, and remote controls.
ArcConnect is a next generation communication that utilizes high speed signals to improve weld performance and allow point-of-use controls to be located at the feeder.

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415v MIG Welders FAQs

Straight answers to the questions people ask most when choosing a three-phase MIG welder for workshop and production use.

Who needs a three-phase MIG welder?

Three-phase machines suit fabrication shops, production lines, engineering workshops and anyone welding thicker material or for long periods. A three-phase supply carries more power for a given current per phase, so these machines can give higher output with a steadier load on the supply.

If you only have a single-phase supply, you are limited to single-phase machines.

What is the difference between 400v and 415v on these machines?

In practice, very little. Older documents and some machine labels refer to 415v, while the current nominal figure for a UK three-phase supply is usually given as 400v. Machines are normally designed to work within a tolerance either side of their rated input, but the allowed range depends on the maker and the model.

Check the data plate and the manual for the supply the machine accepts, compare that with the measured supply at your site, and ask a qualified electrician if you are unsure.

Air-cooled or water-cooled: which should I choose?

Air-cooled torches are simpler and need no extra equipment, and suit many general jobs. Water-cooled torches carry higher current for longer without overheating, so they suit heavy, continuous or production welding, but they need a cooler and a little more upkeep.

Choose according to the current and the duty cycle you will use.

What does a high duty cycle give me?

Duty cycle is the proportion of a ten-minute period the machine can weld at a given current before it must cool. A higher duty cycle at your working current means fewer interruptions on long welds.

If you weld continuously at high current, look at the rating at that current rather than the headline maximum.

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