Lincoln Electric Idealarc CV-300 vs Telwin MASTERMIG 400
Technical comparison · MIG/MAG welding (wire feed)
Idealarc CV-300 leads on the available specs (starting with price); MASTERMIG 400 makes sense only for non-technical reasons (availability, support, ecosystem), or if the missing data matters in your case. On the category's overall technical index, MASTERMIG 400 scores 62/100 against 50/100 for Idealarc CV-300.
| Parameter |
Idealarc CV-300
Lincoln Electric
F4 · Semi-professional
|
MASTERMIG 400
Telwin
F4 · Semi-professional
|
|---|---|---|
| Awards | — | |
| Identity | ||
| Use tier | F4 — Semi-professional | F4 — Semi-professional |
| Price | ||
| Price (€) | ~800–1500 € | ~1900–2500 € |
| Universal specs | ||
| Dimensions (W×D×H) (cm) | 44.5 × 70.6 × 69.9 cm | 56.5 × 94.5 × 83 cm |
| Weight (kg) | 163.3 kg | 104 kg |
| Power (W) | — | 20000 W |
| Voltage (V) | — | 400 V |
| Maximum speed | — | 20000 mm/min |
| Category specs | ||
| Welding type | MIG/MAG | MIG/MAG |
| Max welding current (A) | 400 A | 400 A |
| Max wire diameter (mm) | — | 1.6 mm |
| Duty cycle (rated current) (%) | 100 % | 25 % |
| Synergic control | False | False |
| Gasless capable | True | — |
| Power source technology | Transformer | Transformer |
| Aluminium ready | — | True |
| Pulse capable | False | False |
| Input voltage | — | 400 V (three-phase) |
| Supported spool | — | Ø300 mm (~15 kg) |
| Ecosystem | ||
| Cloud dependency | No | No |
| Software notes | The Lincoln Electric Idealarc CV-300 is a welding power source with a completely analog and traditional architecture, based on established transformer and rectifier technology. This machine lacks any internal software, digital interfaces, microprocessors, or network connectivity features. All welding process settings, such as voltage selection and inductance adjustment to optimize the arc, are made in a strictly mechanical or electromechanical manner via the robust potentiometers and switches on the front panel. The purely analog nature of this system excludes the possibility of firmware updates or synergic controls, but at the same time guarantees extreme maintenance simplicity and high failure resistance, highly valued in severe industrial settings. | — |
MakerSpecs Awards
Best value Semi-professional
At €1150 it offers the best performance-to-price ratio among the 15 semi-professional MIG/MAG welding (wire feed) machines, with a technical score of 50/100.
How we assign awards →Best price Semi-professional
The lowest list price among semi-professional MIG/MAG welding (wire feed) machines: €1150. The second cheapest starts at €1900. (Excluding manufacturer or retailer discounts.)
How we assign awards →Nessun riconoscimento in questa fascia.
The differences that matter
- Price: Idealarc CV-300 1150 € vs MASTERMIG 400 2200 € — Idealarc CV-300 wins (+91%)
Which one to choose
MakerSpecs is an independent atlas. We don't sell products: this comparison links to both sheets, where you'll find complete data and official links.