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Robot Peripherals and Accessories

Arc Welding Power Source

CLOOS Welding Power Sources — MA Series

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

Master Control Panel — Expert Operation
01

Intuitive operation

02

Job favorites

03

Stores four welding-circuit inductance settings

Technical Specifications

M/AM/A 500M/A 400
Welding current20A/15V-500A/39V20A/15V-500A/39V
Welding current at 60% duty cycle*500A400A
Welding current at 100% duty cycle*400A350A
Open-circuit voltage79 V at 3 × 400 V79 V at 3 × 400 V
Mains voltage380–400 V / three-phase380–400 V / three-phase
Connection cable4x6 mm²4x6 mm²
Mains fuse35A32A
Protection ratingIP23IP23
Insulation classFF
Cooling methodFF
Dimensions (L × W × H)714x 342 x498 mm714x 342 x498 mm
Power unit weight56kg56kg
Cooling module weight28kg28kg
Eco cooling module weight18.5kg18.5kg

*At an ambient temperature of 40°C.

Wire Feeder

P5 ECO wire feeder
R1 wire feeder

P5 ECO

R1

Wire FeederP5 ECOR1
Wire feed speed1.5-30m/min1.5-30m/min
Dimensions (L × W × H)706/236/390mm300/230/220mm
Weight13Kg5.1Kg
Wire diameter0.8/1.0/1.2/1.6mm0.8/1.0/1.2/1.6mm

M/A Series — Selection Guide

CategoryModelConfigurationA500FGM500FGA400FLM400FLA500NAM500NA
Automated weldingManual weldingAutomated weldingManual weldingAutomated weldingManual welding
Not specifiedNot specifiedCarbon steelCarbon steelThin sheetThin sheetMultiple materialsMultiple materials
MaterialsCarbon steel
Stainless steel
Aluminum alloy
Titanium alloy
ProcessesMMA
TIG
CAC-A
Control Weld
Speed Weld
Vari Weld
Rapid Weld
Root Weld
Cold Weld
Fine Weld
ConfigurationControl panelMaster
Wire FeederR1P5 ECOR1P5 ECOR1P5 ECO
Cooling unitMaster
Interconnection cable5 m / 10 m / custom
Euro torch connector
Trolley / base
Communication moduleD/E/P1①D/E/P1①D/E/P1①
● Standard   ○ Optional   — Not supported Note ①: DeviceNet / EtherNet/IP / PROFINET

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