Telwin LINEAR 350i - Inverter MMA Stick Electrode Welder (DC) 270A

The **Telwin LINEAR 350i** is a high-performance DC inverter stick electrode (MMA) welding machine with a maximum output of **270 A**. Designed for professional applications, it handles electrodes up to **6 mm** and features dual three-phase voltage (230V/400V) and a digital display. The system provides excellent welding stability and protection against voltage fluctuations (-25% / +15%). The robust construction with dedicated tunnel ventilation ensures greater durability and resistance to dirt and dust. It is also prepared for **Gouging** applications.

Key Features

• Maximum Power: 270 A, suitable for large diameter electrodes.
• Dual Voltage: Operates on three-phase 230 V or 400 V mains supply.
• Usable Electrodes: Handles rutile, basic, stainless steel, cast iron, etc., electrodes with diameters up to **6 mm**.
• Smart Control: **Synergic** regulation of Arc Force and Hot Start based on the electrode, plus the Anti-stick device.
• Display: Digital display for viewing the set welding current.
• Electronic Protection: Dedicated tunnel ventilation system for maximum resistance to dirt and dust (IP23).
• Additional Function: Prepared for **Gouging**.

Technical Specifications

• CODE: 816181
• Three-Phase Mains Voltage: 230 V / 400 V
• Mains Frequency: 50 / 60 Hz
• DC Current Regulation Range: 20 - 250 A (230V) / 20 - 270 A (400V)
• Max Current DC EN60974-1: 220 A @ 40% (230V) / 270 A @ 40% (400V)
• Max No-Load Voltage: 73 V (230V) / 76 V (400V)
• Max Absorbed Power: 7.2 kW (230V) / 9 kW (400V)
• Minimum Motogenerator Power: 11 kW (230V) / 13 kW (400V)
• Electrode Diameter in DC: 1.6 - 6 mm
• Efficiency: 90 %
• Protection Grade: IP23
• Dimensions (LxWxH): 54.6 x 27.4 x 50 cm (21.5 x 10.8 x 19.7 inches)

Note: Values relate to the power supply voltage. The first value is for 230V, the second for 400V.