ESAB Rogue EM 140 vs Telwin Mastermig 270/2
Technical comparison · MIG/MAG welding (wire feed)
Rogue EM 140 and Mastermig 270/2 are not direct competitors: different use classes (F2 vs F4), very different prices (~3.3×). Rogue EM 140 costs less (~€600) and is the entry-level choice; Mastermig 270/2 offers more capability at a higher price (~€2000). Judge them by budget, not head-to-head.
| Parameter |
Rogue EM 140
ESAB
F2 · Intermediate
|
Mastermig 270/2
Telwin
F4 · Semi-professional
|
|---|---|---|
| Identity | ||
| Launch year | 2023 | — |
| Use tier | F2 — Intermediate | F4 — Semi-professional |
| Price | ||
| Price (€) | ~550–650 € | ~1800–2200 € |
| Universal specs | ||
| Dimensions (W×D×H) (cm) | 22 × 59 × 38.5 cm | 45.3 × 87 × 80 cm |
| Weight (kg) | 13.1 kg | 66 kg |
| Power (W) | — | 9000 W |
| Voltage (V) | 120 V | 400 V |
| Maximum speed | — | 20000 mm/min |
| Category specs | ||
| Welding type | MIG/MAG | MIG/MAG |
| Max wire feed speed (m/min) | 11.4 m/min | 20 m/min |
| Max welding current (A) | 140 A | 270 A |
| Max wire diameter (mm) | 0.9 mm | 1.2 mm |
| Duty cycle (rated current) (%) | 30 % | — |
| Synergic control | False | False |
| Gasless capable | True | — |
| Power source technology | Inverter | Transformer |
| Aluminium ready | True | True |
| Pulse capable | False | False |
| Input voltage | — | Dual voltage |
| Supported spool | Ø200 mm (~5 kg) | Ø300 mm (~15 kg) |
| Ecosystem | ||
| Cloud dependency | No | No |
| Software notes | — | As a step-regulated transformer welding machine, it features no management software or digital interface. Parameter control is purely electromechanical via selectors on the front panel, providing 10 positions for voltage adjustment along with potentiometers for manual regulation of wire feed speed and spot-welding time. |
The differences that matter
- Price: Rogue EM 140 600 € vs Mastermig 270/2 2000 € — Rogue EM 140 wins (+233%)
- Max wire feed speed: Rogue EM 140 11.4 m/min vs Mastermig 270/2 20 m/min — Mastermig 270/2 wins (+75%)
- Max wire diameter: Rogue EM 140 0.9 mm vs Mastermig 270/2 1.2 mm — Mastermig 270/2 wins (+33%)
Which one to choose
Choose Mastermig 270/2 if…
you value max wire feed speed and max wire diameter.
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