The Ralli Wolf RA40H ARC 400H is an industrial IGBT inverter welding machine designed for professional welding, metal fabrication, and maintenance applications. Operating on a 415V three-phase power supply, it offers an adjustable welding current range of 40–400A for a wide variety of electrode welding tasks.

Its inverter technology provides stable arc performance and precise welding current control. The machine is suitable for general-purpose, low-hydrogen, and stainless-steel electrodes. With compatible optional accessories, it can also support scratch-start TIG welding. Optional features may include remote current control, depending on the configuration.

Key Features

Heavy-duty 400A maximum welding current
Advanced IGBT inverter technology
415V three-phase power supply
Adjustable welding current from 40A to 400A
Stable DC arc performance
Suitable for general-purpose and low-hydrogen electrodes
Supports stainless-steel electrode welding
VRD (Voltage Reduction Device) facility
Optional remote current control
Scratch-start TIG welding with compatible optional accessories
Designed for industrial workshops and fabrication applications

Applications

Industrial metal fabrication
Structural steel welding
General-purpose electrode welding
Stainless-steel welding
Low-hydrogen electrode welding
Machinery maintenance and repair
Construction and workshop applications
Scratch-start TIG welding with compatible accessories

Technical Specifications

Specification	Details
Brand	Ralli Wolf
Model	RA40H
Product Series	ARC 400H
Machine Type	IGBT Inverter Arc Welding Machine
Input Voltage	AC 415V ±15%
Phase	3-Phase
Frequency	50/60 Hz
Rated Input Current	23.4 A
Rated Input Power	16.8 kVA
Output Current Range	40–400 A
No-Load Voltage	75 V
Rated Output Voltage	36 V
Duty Cycle	60%
No-Load Loss	80 W
Efficiency	85%
Power Factor	0.93
Insulation Grade	F
Housing Protection Grade	IP21
Inverter Technology	IGBT
Net Weight	Approx. 18 kg

Package Details

1 × Ralli Wolf RA40H ARC 400H IGBT Inverter Welding Machine
Welding cables, electrode holder, earth clamp, and other accessories: confirm with the supplier before publishing.

Ralli Wolf RA40H ARC 400H 400A Heavy Duty IGBT Inverter Arc Welding Machine, 415V 3-Phase for Industrial Welding and Metal Fabrication

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