Lincoln Electric CITOLINE i300 vs Telwin MASTERMIG 400

Technical comparison · MIG/MAG welding (wire feed)

In brief

CITOLINE i300 leads on the available specs (starting with synergic control); 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, CITOLINE i300 scores 90/100 against 62/100 for MASTERMIG 400.

Parameter
Telwin MASTERMIG 400 MASTERMIG 400 Telwin F4 · Semi-professional
Identity
Use tier F3 — Advanced F4 — Semi-professional
Price
Price (€) ~1800–2400 € ~1900–2500 €
Universal specs
Dimensions (W×D×H) (cm) 39.5 × 83 × 76 cm 56.5 × 94.5 × 83 cm
Weight (kg) 50 kg 104 kg
Power (W) 15000 W 20000 W
Voltage (V) 400 V 400 V
Maximum speed 20000 mm/min
Category specs
Welding type Multi-process MIG/MAG
Max wire feed speed (m/min) 18 m/min
Max welding current (A) 300 A 400 A
Max wire diameter (mm) 1.6 mm 1.6 mm
Duty cycle (rated current) (%) 35 % 25 %
Synergic control True False
Gasless capable True
Power source technology Inverter Transformer
Aluminium ready True True
Pulse capable False False
Input voltage 400 V (three-phase) 400 V (three-phase)
Supported spool Ø300 mm (~15 kg) Ø300 mm (~15 kg)
Ecosystem
Cloud dependency No No
Software notes Control over all operational functions is managed through an intuitive front-panel interface, featuring large LED displays that provide high readability even under strong lighting conditions. The power source integrates 24 factory-preset synergic programs, which are engineered to greatly simplify the configuration of welding parameters across various materials, including carbon steel, stainless steel, aluminum, and flux-cored wire. Operators can also easily access the traditional 2T and 4T trigger modes, alongside fully adjustable Run-In and Burnback functions to refine the welding arc. Consistent with most industrial systems in this specific equipment category, absolutely no connection to cloud services or reliance on external software applications is required.

The differences that matter

  • Synergic control: CITOLINE i300 yes, MASTERMIG 400 no
  • Price: CITOLINE i300 2100 € vs MASTERMIG 400 2200 € — CITOLINE i300 wins (+5%)

Which one to choose

Choose CITOLINE i300 if…

you value synergic control and price.

See the CITOLINE i300 sheet →

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.