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[Solved] Choosing a 230V MMA inverter welder up to PLN 500 - which one to buy?

MM2X 57279 33
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How should I choose a reliable 230V MMA inverter welder for amateur garage use within a budget of about PLN 500?

Choose the DEDRA DESi201M/200A; the buyer reported good opinions, a four-year warranty, and that a 3.25 mm electrode worked strongly at 130 A [#18712260] In this price range, Magnum, Sherman, Ideal and similar machines are generally suitable for amateurs, but their advertised 200–330 A ratings should not be taken literally; around 150 A is a more realistic expectation for a 230V single-phase unit [#18689474] [#18689717] A larger, serviceable enclosure is preferable to an extremely compact welder because it is easier to repair [#18689474] Duty cycle is measured over ten minutes—for example, 40% means four minutes welding and six minutes cooling—and varies in reliability between manufacturers [#18691038] [#18692812] Keep the welder clean because conductive grinding dust can damage the power transistors and surrounding circuitry, and treat the current potentiometer gently [#18689717]
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  • #31 18692999
    MM2X
    Level 26  
    Posts: 3750
    Help: 3
    Rate: 618
    And one more thing MOSFET or IGBT transistors are more likely to perform, failure rate etc.?
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  • #34 18712260
    MM2X
    Level 26  
    Posts: 3750
    Help: 3
    Rate: 618
    DEDRA DESi201M/200A - this was the choice :) , quite good opinions, and a 4-year warranty! At the 130A setting, the 3.25 electrode goes like a storm...
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Topic summary

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The discussion revolves around selecting a 230V MMA inverter welder within a budget of PLN 500 for amateur use. Participants recommend various models, including MAGNUM SNAKE 200, Dedra DESI 199BT, and WELD MASTER 330A, while emphasizing the importance of reliable current ratings and duty cycles. Concerns are raised about the quality of low-budget welders, particularly regarding the components used, such as transistors and potentiometers. Users share experiences with different brands, noting that many welders are manufactured in China and that performance can vary significantly. The consensus suggests that for amateur applications, models with a real current output of around 160A are adequate, and users should be cautious of exaggerated specifications. The Dedra DESI201M/200A is highlighted as a solid choice with good reviews and a four-year warranty.
AI summary based on the discussion. May contain errors.
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