Telwin LINEAR 450i - Inverter MMA Stick Electrode Welder (DC) 400A

The **Telwin LINEAR 450i** is a high-power, versatile, and robust DC inverter stick electrode (MMA) welding machine. It delivers up to **400 A** and is suitable for a wide variety of electrodes, including those up to **6 mm**. Featuring dual three-phase voltage (230V/400V) and a digital display, it offers excellent welding stability even with major voltage fluctuations. Its durable construction and dedicated tunnel ventilation system ensure longevity in demanding industrial environments. It is also prepared for **Gouging** applications.

Key Features

• Maximum Power: 400 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 type, along with the Anti-stick device.
• Display: Digital display shows the set welding current.
• Resistance and Durability: Resistant to dirt and dust thanks to the dedicated tunnel ventilation system. Robust, shock, and dust resistant (IP23).
• Additional Function: Prepared for **Gouging**.

Technical Specifications

• CODE: 816182
• Three-Phase Mains Voltage: 230 V / 400 V
• Mains Frequency: 50 / 60 Hz
• DC Current Regulation Range: 20 - 320 A (230V) / 20 - 400 A (400V)
• Max Current DC EN60974-1: 300 A @ 40% (230V) / 400 A @ 40% (400V)
• Max No-Load Voltage: 82 V (230V) / 77 V (400V)
• Max Absorbed Power: 11 kW (230V) / 16.2 kW (400V)
• Minimum Motogenerator Power: 16 kW (230V) / 23 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.