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632140001 Kemppi Master S 400 Cellulose Arc Welder, 400V 3-phase CE
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    Rapid Ref : 632140001  

    Kemppi Master S 400 Cellulose Arc Welder, 400V 3-phase CE
    632140001

    £2779.00  EX VAT
    SSP Suggested Selling Price = £3268.32  YOU SAVE £489.32
     Buy in 3 easy interest free payments of £926.33† with
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    Designed for demanding professional use, the Master S 400 Cel delivers the power, reliability, and arc performance required for heavy-duty welding applications.

    The Kemppi Master S 400 Cel is a powerful, robust 400A MMA welding machine built for demanding site work, fabrication, construction, pipeline, and industrial applications. Engineered to deliver outstanding performance with cellulosic electrodes, it provides stable arc characteristics and excellent weld quality, even in challenging conditions.

    Built for professional welders, the Master S 400 combines high output performance with a compact, portable design. Features including adjustable Hot Start, Arc Force control, Anti-Freeze protection, and Lift TIG ignition help ensure consistent welding results across a wide range of applications. Powered by a 400V three-phase supply, it offers excellent reliability for heavy-duty workshop and site use.

    Key Features

    • 400A MMA welding output at 60% duty cycle
    • Optimised for cellulosic and standard MMA electrodes
    • Adjustable Hot Start and Arc Force for superior arc control
    • Anti-Freeze function prevents electrode sticking
    • Lift TIG capability for basic TIG welding applications
    • Arc gouging functionality
    • Compact, lightweight design for easy transport
    • Suitable for mains or generator power supply
    • Integrated VRD (Voltage Reduction Device) for improved site safety
    • Designed and manufactured in Finland
    • Backed by a 3-year warranty

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    Master S FAQs

    Straight answers to the questions people ask most when choosing and using heavy duty cellulose-capable stick welders.

    What is a cellulose electrode and why do I need a suitable machine?icon-minus-redicon-plus-red

    Cellulose electrodes have a coating rich in organic material that produces a forceful, digging arc and deep penetration. They are widely used for pipeline root and hot passes, especially in vertical-down welding.

    The forceful arc needs a power source able to supply sufficient output and a suitable arc characteristic. Not every stick welder is designed for these electrodes, so check the manual for your machine to see whether the maker states it is suitable, and which polarity the electrode maker specifies.

    Do I need a special setting for cellulose electrodes?icon-minus-redicon-plus-red

    Some machines have a dedicated setting or arc characteristic for cellulose electrodes, aimed at giving a steady arc and reducing sticking when you press into the joint. Others rely on adjustable arc force and hot start controls.

    Check the manual for your own machine to see what it provides and how to use it. Use the standard setting for rutile or basic electrodes, and always follow the electrode maker's current ranges.

    Where is a heavy duty stick welder typically used?icon-minus-redicon-plus-red

    Heavy duty stick machines are used for pipelines, pressure and process pipework, structural steel, shipyards, plant maintenance and construction. They provide the output needed for large electrodes and long arcs.

    Many heavy duty machines need a three phase or other industrial supply, or a generator of adequate size. Check the data plate and manual for the supply your own machine needs.

    Which electrode types besides cellulose can I run?icon-minus-redicon-plus-red

    Rutile, basic (low hydrogen) and stainless electrodes can normally be run, within the machine's output limits. Use the standard arc setting for these, not the cellulose setting.

    Select the electrode according to the material and procedure. For critical welds, the written procedure specifies electrode type, size and current.

    See all 6 questions for this category

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