In Stock
300 CV Multiprocess Welder Fully Loaded Wireless
- ISPM 15 heat-treated Euro palletized & weatherproof shrink-wrapped
- Insured European road freight delivery with hydraulic tail-lift service
- Dispatches in 1–2 business days from our UK & European Logistics Centre
- Transit typically 1–3 business days (UK) / 3–6 business days (Continental Europe)
Need a matched transmission, controls or wiring package? Speak with a parts specialist.
Details & Inspection Notes
The Miller Dynasty 300 CV Multiprocess Welder is a fully loaded wireless package weighing just 55 pounds, which this maker states makes it one of the most portable machines in its class.
What it's for
Processes supported include stick welding, MIG, air carbon arc, and both AC and DC TIG with pulsed TIG control. Because it includes a CV and CPS welder, the primary use here is pairing the Dynasty 300 with a suitcase feeder, such as an ArcReach 8 or 12, for high-output wire feeding. Among its features: Auto-Line hookup across a wide voltage range, wind tunnel cooling with cooler-on-demand and fan-on-demand operation, pro-set parameters, a power-conserving sleep timer, firmware updates through a USB port, and a quick, high-frequency arc start with digital metering.
What to check before buying
This runs on single or three-phase power across multiple input voltages, so confirm your shop or jobsite supply matches before ordering. Exact duty-cycle and amperage figures vary between documentation for this package, so confirm your target amperage and duty cycle with us before planning a specific weld process around it.
What's included
The package ships with the Dynasty 300 power source, a Coolmate 1.3 cooler, a small runner cart, an ArcReach 12 feeder with a Bernard gun, two 50mm Dinse connectors, an 8-foot power cord with no plug attached, and a user manual. This unit carries a 3-year manufacturer's warranty.
Specifications
| Brand | Miller |
|---|---|
| SKU | IMIL20220041 |
| MPN | MIL951940 |
| Mfgs MPN | 951940 |
| UPC | 715959698146 |
| Prop65 | Yes |
| Material | Aluminum, Mild Steel, Stainless Steel, Titanium |
| Process | Air Carbon Arc Cutting and Gouging, MIG, Stick, TIG |
| Max Amperage Output | 280 Amps |
| Usage | Heavy Industrial, Industrial, Light Industrial |
| Phase | Both |
| Manufacturer’s Warranty | 3 Years |
| Polarity | AC/DC |
| Duty Cycle | 60% |
| Duty Cycle | 60% @ 200A (3-Phase) | 60% @ 180A (1-Phase) |
| Portability | 55 lbs |
| Skill Level | Career Welder |
| Input Voltage | 208, 220, 230, 240, 460, 575 |
| Discontinued Product | No |
Welding Equipment Setup & Pre-Operation Checklist
- Verify workshop mains voltage, circuit breaker rating, and phase match the welding machine specifications.
- Inspect ground clamp cable, torch lead, and work cables for tight, clean, low-resistance connections.
- Secure shielding gas cylinders upright with safety chains; inspect regulator and hose connections for gas leaks.
- Confirm correct wire diameter, drive roll groove profile, and contact tip size match the spool installed.
Full terms: 30-day warranty · returns