300 A · 230 V / 415 VThe CRUXWELD CWMIG300iJ is a 300 A IGBT inverter MIG welder with a separate wire feeder and a built-in stick (MMA) function. Weld with gas, with gasless flux-cored wire, or with electrodes, on a 230 V single-phase socket or a 415 V three-phase line.
GeM Registered OEM Manufacturer · Supported Worldwide · 45+ years of welding expertise
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The MIG 300 welding machine (model CWMIG300iJ) gives you full 300 A MIG welding with a separate wire feeder, plus stick welding, in one IGBT inverter power source. It runs on a 230 V single-phase supply in a small workshop and on a 415 V three-phase line in the factory.
Weld mild steel with CO₂ or mixed gas, switch to gasless flux-cored wire for outdoor jobs, and weld stainless steel and aluminium with the right wire and gas. Finely tuned switching gives stable settings from thin sheet to thick plate, with very little spatter.
Fig. 1 · MIG with gasMost 300 A MIG welders need a three-phase line. The CWMIG300iJ does not: the same machine runs from a 230 V single-phase supply or a 415 V three-phase supply, so you can buy one machine for the workshop, the factory and the site. It is a true single phase MIG welding machine that also runs on three phase.
▶ Watch: MIG 300 on both supplies
12345Choose the process for the job. The MIG 300 welding machine switches between them on the front panel.
Solid wire with CO₂ or mixed gas for clean, fast welds in the shop.
Self-shielded flux-cored wire makes its own shield, so there is no gas cylinder to carry.
Switch to MMA for electrode welding with Hot Start, Anti-Stick and Arc Force.
Two displays on the left, selectors and check buttons in the middle, and three knobs below.
1278345691011The separate feeder sits next to the job, so the torch cable stays short and the wire feeds evenly. Set voltage and wire speed on the feeder dials, and inch new wire to the torch with the inching button.
Pick how the torch trigger works for the weld you are making.
Press to weld, release to stop. Quick and simple for tacks and short runs.
Click to start, let go and keep welding, click again to stop. Less hand strain on long welds.
The arc runs for the spot time you set, then stops by itself, for even, repeatable spots.
Smooth, even MIG beads with very little spatter, and a short video of the machine on the job.
From light sheet metal to brackets, frames and pipe work, the CWMIG300iJ covers the everyday jobs of a fabrication shop.
230 V single-phase or 415 V three-phase, ±15%. One machine for every site.
MIG/MAG, gasless FCAW and MMA from one power source and one feeder.
2T, 4T and spot modes, inductance and arc force for the arc you want.
IGBT inverter with a 0.93 power factor and low-cost wear parts.
The MIG 300 welding machine sits between our compact and heavy-duty machines.
CRUXWELD is a GeM Registered OEM Manufacturer. You talk directly to the team that knows this machine.
WhatsApp the material, thickness, gas or gasless, and your supply (230 V or 415 V). Our team replies with the right wire, setup and a quotation.
| Specification | CWMIG300iJ |
|---|---|
| Input | |
| Model | CWMIG300iJ |
| Input voltage | 230 V / 415 V ±15% |
| Phase | Single phase or three phase |
| Frequency | 50 / 60 Hz |
| Rated input capacity | 13.5 kVA |
| Power factor | 0.93 |
| Output | |
| Processes | MIG/MAG (gas), FCAW (gasless), MMA (stick) |
| Welding current range, MIG | 25–300 A |
| Welding current range, MMA | 20–300 A |
| Operating modes | 2T, 4T, spot (adjustable spot time) |
| MMA functions | Hot Start, Anti-Stick, Arc Force |
| Suitable electrodes (MMA) | 2.5 mm and 3.15 mm |
| Wire feed | |
| Wire feeder | Separate, 4 rolls (2 driven) |
| Suitable wire diameter | 0.8 mm and 1.0 mm |
| Wire feed speed | 2.5–18 m/min |
| Wire spool capacity | 5–15 kg |
| MIG torch | 3 m (10 ft) |
| Build | |
| Technology | IGBT inverter |
| Cooling | Forced air |
| Protection class | IP21S |
| Insulation class | H |
| Power source dimensions (L × W × H) | 580 × 315 × 415 mm |
| Power source weight | 36 kg |
| Wire feeder weight | 9.5 kg |
Need an electrode holder for stick welding, a longer torch or extra wire? Ask our team on WhatsApp.
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