Professional three-phase inverter welding machine TIG-400 designed for high-quality TIG and MMA welding. Ideal for working with ferrous metals, cast iron, stainless steels, and their alloys. DC operation up to 400 A ensures a strong, stable, and clean weld seam.

The machine is equipped with high-frequency ignition (HF), electronic arc stabilization, smooth start and slope control, POST GAS function, and Hot Start / ARC FORCE technologies.
Features a robust construction, long duty cycle, and liquid-cooled WP-18 torch, ensuring continuous, safe, and professional operation even under heavy-duty conditions.

Excellent for industrial facilities, auto service centers, metalworking, and any high-load applications.

Features

• Welding modes: TIG, MMA, 4T, 2T
• POST GAS function in TIG mode
• Output voltage: MMA – 34.4 V, TIG – 26 V
• High-frequency start (HF Start)
• Electronic arc stabilization
• Smooth arc rise/fall (Soft Start / Down Slope)
• LCD current display
• WP-18 torch with liquid cooling + cooler
• Precise current adjustment
• MMA operation with direct/reverse polarity
• Anti-Stick, Hot Start, ARC Force
• High efficiency and duty cycle

Main parameters

• Input voltage: 380 V
• Number of phases: 3
• Voltage range: 340–440 V
• Welding current (TIG): 10–400 A
• Welding current (MMA): 10–360 A
• Open circuit voltage: 75 V

Package contents

• WP-18 TIG torch with liquid cooling – 1 pc
• 3 m ground cable with SKR connector – 1 pc
• Reducer – 1 pc
• Liquid cooler – 1 pc
• Cart with swivel wheels + chain strap – 1 pc
• Metal brush – 1 pc
• User manual

Dimensions and weight

• Net weight: 100 kg
• Package size: 112.5 × 105 × 55.5 cm
• Gross weight: 110 kg