Lincoln Electric CITOLINE i300 vs Telwin Bimax 140i Synergic

Technical comparison · MIG/MAG welding (wire feed)

In brief

CITOLINE i300 and Bimax 140i Synergic are not direct competitors: very different prices (~6.7×). Bimax 140i Synergic costs less (~€315) and is the entry-level choice; CITOLINE i300 offers more capability at a higher price (~€2100). Judge them by budget, not head-to-head.

Parameter
Telwin Bimax 140i Synergic Bimax 140i Synergic Telwin F2 · Intermediate
Identity
Use tier F3 — Advanced F2 — Intermediate
Price
Price (€) ~1800–2400 € ~280–350 €
Universal specs
Dimensions (W×D×H) (cm) 39.5 × 83 × 76 cm 17.2 × 37.9 × 25.2 cm
Weight (kg) 50 kg 6.3 kg
Power (W) 15000 W 2650 W
Voltage (V) 400 V 230 V
Category specs
Welding type Multi-process MIG/MAG
Max wire feed speed (m/min) 18 m/min
Max welding current (A) 300 A 140 A
Max wire diameter (mm) 1.6 mm 0.9 mm
Duty cycle (rated current) (%) 35 % 15 %
Synergic control True True
Gasless capable True True
Power source technology Inverter Inverter
Aluminium ready True True
Pulse capable False False
Input voltage 400 V (three-phase) 230 V (single-phase)
Supported spool Ø300 mm (~15 kg) Ø100 mm (~1 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 machine is governed by a microprocessor control that manages the synergic logic of the welding process. The user simply selects the thickness of the material to be worked, and the system automatically adjusts the wire speed and the optimal arc voltage. This internal software drastically reduces setup times and prevents configuration errors typical of traditional power sources. There are no interfaces for computer connection, external firmware updates, or wireless connectivity, as the entire digital ecosystem is permanently integrated into the internal electronic board. The system is designed to be autonomous, offering an immediate user experience focused on the stability of the electric arc during real-time operation.

The differences that matter

  • Price: CITOLINE i300 2100 € vs Bimax 140i Synergic 315 € — Bimax 140i Synergic wins (+567%)
  • Max wire diameter: CITOLINE i300 1.6 mm vs Bimax 140i Synergic 0.9 mm — CITOLINE i300 wins (+78%)

Which one to choose

Choose CITOLINE i300 if…

you value max wire diameter.

See the CITOLINE i300 sheet →

Choose Bimax 140i Synergic if…

you value price.

See the Bimax 140i Synergic 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.