Miller Dynasty 300 AC/DC TIG Welder with CPS (208-600V)

Name: Miller Dynasty 300 AC/DC TIG Welder with CPS (208-600V)
Brand: Welders Helper
SKU: MIL907818
Price: 14834.00 CAD
Availability: InStock

$16,399.36/ea $14,834.00/1 per ea only $14,834.00/eaSave 10%

Save an additional $741.70 at checkout

Join the Nation of Welders Program

SKU: MIL907818 Categories: Welding Machines, Welding Machines & Fume Extractors

OVERVIEW

Miller Dynasty 300: Power and Portability Combined

Take your TIG welding to the next level with the Miller Dynasty 300 w/ CPS (907818). This machine is a powerhouse packed into a portable 55-pound frame, giving you the ability to tackle jobs in the shop or out in the field with ease. Whether you are welding aluminum, stainless steel, or mild steel, the Dynasty 300 delivers a smooth, stable arc that Miller is famous for. This specific model comes equipped with the Cooler Power Supply (CPS), a built-in 120V outlet dedicated to running a Coolmate 1.3 water cooler. This means no more hunting for extra wall outlets or running extension cords just to keep your torch cool—the welder handles it all.

One of the biggest headaches in welding is dealing with different power inputs. The Dynasty 300 solves this with Auto-Line technology. You can plug this machine into anything from 208V to 600V, single-phase or three-phase, and it automatically adjusts. No jumpers to move, no tools required. It’s perfect for shops with

Additional Information
Brand:Miller
Amperage:300
Voltage:200-600 V
Weld Process:TIG (GTAW)
Phase:1 or 3 Phase
Process Type:TIG (GTAW), Pulsed TIG (GTAW-P), Stick (SMAW), Air Carbon Arc (CAC-A)
Input Voltage:208-600 V
Amperage Range:1 A - 300 A
Max Open Circuit Voltage:60 VDC
Net Weight:55 lbs
Dimensions:21.88 in (L) x 8.5 in (W) x 13.88 in (H)
Material Thickness:0.004 in (0.1 mm) - 3/8 in (9.5 mm)
Cooling Type:Fan-On-Demand, Water Cooled Capable (CPS)
Warranty:3 Years
Packaging Description:1 per ea

INCLUDED

Miller Dynasty 300 Power Source
8 ft (2.4 m) Primary Power Cord
Adjustable Shoulder Strap
(2) 50 mm Dinse-style Connectors
Quick Reference Guide

APPLICATIONS

Aerospace and Aviation Repair
Heavy Industrial Fabrication
Precision Aluminum Fabrication
Shipbuilding and Marine Repair
Pipe and Tube Manufacturing
Anodized Aluminum Fabrication
Maintenance and Repair Operations (MRO)

FAQ

CPS stands for Cooler Power Supply. It is an integrated 120-volt dedicated-use receptacle on the machine designed to power the Coolmate 1.3 water cooler. The power switch on the Dynasty activates the receptacle, ensuring the cooler runs when the welder is on.

The Dynasty 300 features Auto-Line technology, allowing it to accept any input voltage from 208 to 600 Volts, either single-phase or three-phase, without manual linking.

No, this SKU (907818) includes the power source, 8 ft primary cord, shoulder strap, and Dinse connectors. TIG torches, foot pedals, and coolant systems are sold separately or as part of TIGRunner packages.

The machine is rated to weld up to 3/8 inch (9.5 mm) thick aluminum and steel.

Yes, the Dynasty 300 supports Stick (SMAW) welding with features like Hot Start, DIG control for arc characteristics, and Stick-Stuck safety technology.

The power source itself weighs approximately 55 lbs (25 kg), making it highly portable for a 300-amp class machine.

Pro-Set eliminates guesswork by offering professional pre-set controls for Balance, Frequency, Pulse, and DIG parameters, allowing for faster setup and confidence in your settings.

The Dynasty 300 has an IP23 rating, meaning it is designed for outdoor use but should be sheltered from direct precipitation. It is not intended to be used in rain without cover.