Robot Peripherals and Accessories
Arc Welding Power Source
CLOOS Welding Power Sources — MA Series

Manual Version

Automated Version
Product Features
M/A 500FG — Carbon Steel Welding Specialist
Designed for medium and thick carbon steel plates, especially applications requiring high deposition rates, fast welding and reduced back-gouging.
Typical Applications
Construction machinery, lifting equipment, excavators and heavy trucks
Steel structures
Energy applications, including tower bases, pipelines and wind turbine supports
M/A 400FL — Thin-Sheet Welding Specialist
Features the Fine Weld low-spatter process for precision welding of galvanized sheet, stainless steel and thin carbon steel. Low-spatter performance is also maintained with CO₂ shielding gas.
Typical Applications
Automotive manufacturing, including body-in-white and components
Environmental equipment, including thin-walled electrical equipment
M/A 500NA — Multi-Material Welding Specialist
A broad range of high-quality processes for aluminum alloys, stainless steel and carbon steel. Water cooling for the power source and torch is recommended for high-power models.
Typical Applications
Boilers / pressure vessels
Containers
Shipbuilding
Heavy equipment
Oil and gas pipelines
Steel structures
Automotive manufacturing
Master Control Panel — Expert Operation

Intuitive operation
Job favorites
Stores four welding-circuit inductance settings
Technical Specifications
| M/A | M/A 500 | M/A 400 |
|---|---|---|
| Welding current | 20A/15V-500A/39V | 20A/15V-500A/39V |
| Welding current at 60% duty cycle* | 500A | 400A |
| Welding current at 100% duty cycle* | 400A | 350A |
| Open-circuit voltage | 79 V at 3 × 400 V | 79 V at 3 × 400 V |
| Mains voltage | 380–400 V / three-phase | 380–400 V / three-phase |
| Connection cable | 4x6 mm² | 4x6 mm² |
| Mains fuse | 35A | 32A |
| Protection rating | IP23 | IP23 |
| Insulation class | F | F |
| Cooling method | F | F |
| Dimensions (L × W × H) | 714x 342 x498 mm | 714x 342 x498 mm |
| Power unit weight | 56kg | 56kg |
| Cooling module weight | 28kg | 28kg |
| Eco cooling module weight | 18.5kg | 18.5kg |
*At an ambient temperature of 40°C.
Wire Feeder


P5 ECO
R1
| Wire Feeder | P5 ECO | R1 |
|---|---|---|
| Wire feed speed | 1.5-30m/min | 1.5-30m/min |
| Dimensions (L × W × H) | 706/236/390mm | 300/230/220mm |
| Weight | 13Kg | 5.1Kg |
| Wire diameter | 0.8/1.0/1.2/1.6mm | 0.8/1.0/1.2/1.6mm |
M/A Series — Selection Guide
| Category | ModelConfiguration | A500FG | M500FG | A400FL | M400FL | A500NA | M500NA |
|---|---|---|---|---|---|---|---|
| Automated welding | Manual welding | Automated welding | Manual welding | Automated welding | Manual welding | ||
| Not specified | Not specified | Carbon steel | Carbon steel | Thin sheet | Thin sheet | Multiple materials | Multiple materials |
| Materials | Carbon steel | ||||||
| Stainless steel | |||||||
| Aluminum alloy | |||||||
| Titanium alloy | |||||||
| Processes | MMA | ||||||
| TIG | |||||||
| CAC-A | |||||||
| Control Weld | |||||||
| Speed Weld | |||||||
| Vari Weld | |||||||
| Rapid Weld | |||||||
| Root Weld | |||||||
| Cold Weld | |||||||
| Fine Weld | |||||||
| Configuration | Control panel | Master | |||||
| Wire Feeder | R1 | P5 ECO | R1 | P5 ECO | R1 | P5 ECO | |
| Cooling unit | Master | ||||||
| Interconnection cable | 5 m / 10 m / custom | ||||||
| Euro torch connector | |||||||
| Trolley / base | |||||||
| Communication module | D/E/P1① | D/E/P1① | D/E/P1① | ||||
Download Materials
| File Name | Category | Format | Release Date | Operation | |
|---|---|---|---|---|---|
| No documents found. | |||||