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632150001 Kemppi Master S 500 Cellulose Arc Welder, 400V 3-phase CE
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    Rapid Ref : 632150001  

    Kemppi Master S 500 Cellulose Arc Welder, 400V 3-phase CE
    632150001

    £3216.62  EX VAT
    SSP Suggested Selling Price = £3919.52  YOU SAVE £702.90
     Buy in 3 easy interest free payments of £1072.21† with
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    The Master S 500 Cel delivers maximum MMA welding performance, exceptional reliability, and the arc characteristics required for challenging cellulose electrode applications.

    The Kemppi Master S 500 Cel is a heavy-duty 500A MMA welding power source engineered for demanding industrial, construction, and pipeline welding applications. Designed to deliver exceptional performance with cellulosic electrodes, it provides outstanding arc control, reliable ignition, and high-quality welds in even the toughest working conditions.

    Built for professional welders, the Master S 500 Cel combines powerful output with advanced welding features, including adjustable Hot Start, Arc Force Control, and Anti-Freeze protection. Its rugged yet portable design makes it ideal for both workshop and site use, while Lift TIG capability adds extra versatility for a wider range of fabrication tasks.

    Key Features

    • Powerful 500A MMA welding output
    • Optimised for cellulosic and standard MMA electrodes
    • Adjustable Hot Start and Arc Force functions
    • Anti-Freeze technology to minimise electrode sticking
    • Lift TIG welding capability
    • Suitable for heavy industrial and pipeline applications
    • Compatible with generator power supplies
    • Robust, portable design for site and workshop use
    • Integrated VRD option for enhanced operator safety
    • Designed for demanding professional environments

    Related Items

    415v Arc Welders FAQs

    Straight answers to the questions people ask most when choosing and using a three phase arc welder.

    Why choose a three phase 415 volt arc welder?icon-minus-redicon-plus-red

    Three phase power supplies energy more evenly and in larger amounts than a single phase supply, so three phase welders can produce higher currents and sustain them for longer. They suit heavy fabrication, structural work, workshops with frequent welding and any job using large electrodes.

    They also tend to draw less current per phase for a given output, which puts less strain on the supply.

    How do I check my three phase supply is suitable?icon-minus-redicon-plus-red

    Look at the welder's input current and recommended fuse or breaker rating on the data plate, then check that your supply, cable and protection can provide it. Your electrician can confirm the spare capacity of the supply and the correct plug or isolator.

    A supply that is too weak causes voltage dips, nuisance tripping and an unstable arc, and cable that is too small can overheat. Do not change the rating of protective devices to get around a problem.

    What is the difference between 400 volt and 415 volt on a welder?icon-minus-redicon-plus-red

    In the UK, three phase supplies are commonly described as either 400 or 415 volts, which is essentially the same nominal supply described in different ways. Welders are designed to tolerate the normal variation in supply voltage.

    What matters more is that the machine is designed for the supply voltage range you have. Check the data plate, and if the machine lists a range or multiple voltages, follow the maker's instructions for configuring it.

    Is a three phase welder better for thick material?icon-minus-redicon-plus-red

    Generally yes. Higher usable current and a stronger duty cycle mean three phase machines cope better with thick plate, large electrodes and long welding runs without overheating.

    That said, a lot depends on the individual machine. Compare the output current and duty cycle at the settings you will use, rather than assuming any three phase machine will suit every heavy job.

    See all 6 questions for this category

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