Rapid Ref : Miller-DYNASTY800

Miller Dynasty 800 AC/DC TIG Welder, 380-575v
Miller-DYNASTY800

Name: Miller Dynasty 800 AC/DC TIG Welder, 380-575v
SKU: Miller-DYNASTY800

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Prices From £12565.00 ex VAT

The Dynasty 800 is a powerful power source capable of welding up to 25.4 mm (1") aluminium. Experience unfailing precision arc performance paired with a state-of-the-art, user-friendly interface that puts advanced capabilities at your fingertips.

Features

Portable in the shop or at the jobsite—at 6.0 kg (13.2 lb.) The shoulder strap allows the end user to move from location to location easily.
Simple-to-use operator interface, inverter-based, DC power source has a simple-to-use operator interface providing only the necessary controls in a compact machine.
Dual fan technology optimised power source cooling system which enables the machine to operate at a lower temperature, thus increasing its performance and life cycle.
Thermal overload protection with an indicator light helps prevent machine damage if the duty cycle is exceeded or airflow is blocked.
VRD function is a simple design that reduces the open-circuit voltage to 20 volts when the welding power source is not in use.

Brochures & Manuals

BROCHURES & MANUALS

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Miller Dynasty 400, 800 / Maxstar 400 CE & Non-CE Owner's Manual

415v TIG Welders FAQs

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

Why choose a three phase TIG welder?

Three phase machines are designed for industrial use, where a three phase supply is installed. The supply can provide far more power than a single phase socket, so these machines provide higher welding currents, heavier duty cycles and the ability to weld thick sections, especially aluminium, all day.

They are the usual choice for fabrication shops, pipe welding, heavy repair and production work, where reliability and capacity matter more than portability.

What is the supply requirement?

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.

What does duty cycle mean?

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?

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.

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