The Ralli Wolf RA25 ARC 250 is a heavy-duty inverter welding machine designed for general fabrication, industrial maintenance, and metal repair applications. Operating on a 415V three-phase power supply, it offers an adjustable welding current range of 30–250A for versatile electrode welding tasks.
Featuring MOSFET inverter technology, the machine provides precise current control, stable arc performance, and reduced welding spatter. Built-in Arc Force and Hot Start functions help improve arc initiation and welding consistency. Its design supports general-purpose welding and routine maintenance work in professional workshops and industrial environments.
Key Features
250A maximum welding current
MOSFET inverter technology
415V three-phase power supply
Adjustable output current from 30A to 250A
Built-in Arc Force control
Hot Start function for easier arc striking
Stable arc performance and precise current adjustment
Designed for reduced welding spatter
60% duty cycle
Supports 1.6–3.15 mm electrodes for continuous use
Supports 4.0 mm electrodes for intermittent use
Suitable for fabrication and maintenance applications
Applications
General metal fabrication
Industrial maintenance and repair
Steel fabrication workshops
Metal joining and repair
Machinery maintenance
General-purpose electrode welding
Workshop and industrial repair applications
Technical Specifications
Specification
Details
Brand
Ralli Wolf
Model
RA25
Product Type
ARC 250 Inverter Welding Machine
Inverter Technology
MOSFET
Input Supply
AC 415V ±15%
Phase
3-Phase
Frequency
50/60 Hz
Rated Input Current
13A
Rated Input Power
9.4 kVA
No-Load Voltage
60V
Output Current Range
30–250A
Rated Output Voltage
30V
Duty Cycle
60%
No-Load Loss
40W
Efficiency
85%
Power Factor
0.93
Insulation Grade
F
Housing Protection Grade
IP21
Net Weight
17.5 kg
Welding Accessories
Not included
Package Details
1 × Ralli Wolf RA25 ARC 250 Inverter Welding Machine
Welding cables, electrode holder, and earth clamp: not included according to the available product specifications.
