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Choosing Inverter Welder: DEDRA DESi199BT, DESI210BT, or DESI201 for Steel Profiles & Gates

rad25 13194 12
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  • #1 16668332
    rad25
    Level 11  
    Posts: 108
    Rate: 9
    Hello. I am buying an inverter welder and I can not really decide on a particular model. I found three DEDRA models. There are considerable price discrepancies and I am a bit surprised because three models have a similar range of amps.
    - DEDRA DESi199BT
    - DEDRA DESI210BT
    - DEDRA DESI201.
    Does anyone have the above model and is it checked? I would like to weld steel profiles up to 3mm and weld the hinges to the gate and I would not like to be surprised that the welding machine can not do it. As far as I know, the first two models are made in a different technology than the third one - probably in a newer one. But why is the third model the most expensive if it is made in the older technology (unless I'm wrong)? I would be grateful for your understanding and cordial help. Greetings.
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  • #2 16670269
    Damiann193
    Level 15  
    Posts: 147
    Help: 14
    Rate: 31
    I had the opportunity to repair the DESI201 model recently (a burned out switch) and by the way I slept a little with this clutch and it was fun. A friend who gave it to me for repair has it for quite a long time and nothing wrong with it after that we had to replace the sockets for welding cables because they burned out (poor quality of sockets) the other friend also has this model and does not complain.
  • #3 16670277
    rad25
    Level 11  
    Posts: 108
    Rate: 9
    Thank you very much. I will definitely take your advice into account when buying.
  • #4 16672178
    Damiann193
    Level 15  
    Posts: 147
    Help: 14
    Rate: 31
    Do you also take into account welding machines of another brand? Tomorrow at the workshop I should have a new MAGNUM SNAKE 205D VRD welder and if you like it, I will describe your impression as to the quality of workmanship and how it is welded in comparison to DEDRY DESI201 which I had the opportunity to use. MAGNUM is on IGBT transistors as well as your first two types and DEDRA DESI201 is on mosfets.
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  • #5 16672874
    rad25
    Level 11  
    Posts: 108
    Rate: 9
    I've heard that IGBTs are inferior to repair. Besides, they are cheaper than mosfets, so something must be there. However, I am waiting for the impressions from the use of the welding machine.
  • #6 16675773
    Damiann193
    Level 15  
    Posts: 147
    Help: 14
    Rate: 31
    Is IGBT worse to repair, I do not know, mosfets are cheaper but for them there are more of them, so it is difficult to determine. And now as for the MAGNUM welder's experience it seems to be better quality than DEDRY, welding and net cables are definitely thicker and better quality at MAGNUM, the slots here and there are probably the same. You just have to screw in the wires well and check that they have not loosened. Is there any difference in welding it is difficult to tell because I do not have a direct comparison. I weld only amateurly and in my opinion welds, as well as DEDRA and MAGNUM, come out in good quality.
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  • #7 16680865
    rad25
    Level 11  
    Posts: 108
    Rate: 9
    Ok, so I decided to use the DESI201 inverter welder. The welding machine so far is a great thing, there is nothing to compare with the transformer but there is one but. During welding, the electricity meter starts to loudly and it scares me a little. The meter has an old type, i.e. inductive and I wonder if this welding machine produces such disturbances in the meter work? I would not want to damage it and have an even bigger problem. Earlier on the transformer welding machine I did not have such a problem. Can anyone help me with this topic? Greetings.
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  • #8 16681269
    Damiann193
    Level 15  
    Posts: 147
    Help: 14
    Rate: 31
    And what type of fuses do you have? If you have an automatic one, check if they do not seem to hear these sounds.
  • #9 16681299
    rad25
    Level 11  
    Posts: 108
    Rate: 9
    B16 type S overcurrent fuses. But it is rather a meter. Has a friend met such a phenomenon?
  • #10 16681325
    Damiann193
    Level 15  
    Posts: 147
    Help: 14
    Rate: 31
    I met with such a phenomenon, but just in the case of ordinary automatic fuses (those screwed in) with loud buzzing during welding because they were on the edge of the action threshold. I suspect that in the S type fuses this phenomenon may also occur because the welding machine requires 25A protection.
  • #11 17489584
    przemoprzem
    Level 12  
    Posts: 144
    Rate: 21
    Hello. And why did not you take DEDRA DESi199BT - it has 100% 125A and 4 year warranty for the consumer. I'm just looking through the net, but I think I'll buy just 199 because of the warranty - 4 years for Chinese is spooory plus.
  • #12 17490997
    Damiann193
    Level 15  
    Posts: 147
    Help: 14
    Rate: 31
    The snake exchanged by me has 100% at 163A. In my opinion, snake welders are of better quality and above all have a solid switch, which will not burn quickly.
  • #13 20736082
    zakir1481
    Level 1  
    Posts: 1

    Hi,
    I am looking for a number of Transformer Type ARC AC Welding Machine with 350A output. Can anyone help me please where I can get them? Of course, I am interested in Europe countries' standard machines.
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Topic summary

✨ The discussion revolves around selecting an inverter welder from DEDRA's range, specifically the DESi199BT, DESI210BT, and DESI201 models, for welding steel profiles and gates. Users share experiences with the DESI201, noting its reliability despite some issues with socket quality. Comparisons are made with MAGNUM welders, highlighting differences in technology (IGBT vs. MOSFET) and build quality. Concerns about electrical disturbances during welding with the DESI201 are raised, particularly regarding the impact on older inductive electricity meters. The DESi199BT is recommended for its warranty, while the MAGNUM SNAKE 205D VRD is mentioned as a potentially superior alternative.
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FAQ

TL;DR: For DIY gates and 3 mm steel, budget inverters work; one user reports "100% at 163 A" and "have a solid switch" on the MAGNUM Snake 205D VRD. [Elektroda, Damiann193, post #17490997]

Why it matters: This FAQ helps first‑time buyers pick a reliable inverter welder, wire it safely, and avoid avoidable failures.

Quick Facts

Which welder is best for 3 mm steel profiles and gate hinges?

Users reported good weld quality from both DEDRA DESI201 and MAGNUM Snake 205D VRD in hobby use. Cable sets felt thicker on the MAGNUM, aiding stability. For hinges and 3 mm profiles, either can suffice with correct rods and settings. “Welds … come out in good quality.” [Elektroda, Damiann193, post #16675773]

Is IGBT or MOSFET better for these small inverters?

A workshop user notes DEDRA DESI201 is MOSFET, while DESi199BT/DESI210BT and MAGNUM Snake 205D VRD use IGBT. He did not find IGBT inherently worse to repair; MOSFETs can be cheaper but may be used in greater count. Choose by build quality, not transistor type alone. [Elektroda, Damiann193, post #16672178]

What’s a real‑world duty‑cycle example I can trust?

A technician reports the MAGNUM Snake 205D VRD holds “100% at 163 A” and praises its solid power switch. Treat this as a practical benchmark for continuous work at moderate current. Verify on your unit’s plate. [Elektroda, Damiann193, post #17490997]

Does the DESi199BT really have a strong warranty and usable duty cycle?

One buyer chose DESi199BT citing a 4‑year consumer warranty and “100% 125A.” This combination appeals to DIY users wanting predictable uptime and support. Confirm terms with the seller before purchase. [Elektroda, przemoprzem, post #17489584]

Why do my breakers or meter buzz when I start welding?

A user with an old inductive meter heard loud humming while welding. Inverters draw pulsed current and can excite audible noise in older meters. Relocate the welder’s load if possible and inspect connections. [Elektroda, rad25, post #16680865]

What breaker size should I plan for on a 200 A‑class inverter?

One technician observed buzzing on lighter breakers and concluded “the welding machine requires 25A protection.” Smaller B16 breakers may chatter near their limit during striking. Use appropriately rated circuits. [Elektroda, Damiann193, post #16681325]

How do I reduce buzzing, heat, or nuisance trips during welding?

  1. Tighten the internal and external cable lugs; recheck after first sessions.
  2. Inspect the mains plug and extension; use a short, thick lead.
  3. Test on a circuit with adequate protection and clean contacts. “You just have to screw in the wires well and check that they have not loosened.” [Elektroda, Damiann193, post #16675773]

Are the supplied cables and accessories decent on these units?

A hobbyist found MAGNUM’s mains and welding cables “definitely thicker and better quality” than on a comparable DEDRA. Better leads reduce voltage drop and heat, improving arc stability on thin profiles. [Elektroda, Damiann193, post #16675773]

What early failures have users actually seen on DEDRA DESI201?

One repaired DESI201 had a burned power switch and later needed replacement cable sockets due to overheating. Plan to inspect and, if needed, upgrade sockets and switch for longevity. [Elektroda, Damiann193, post #16670269]

Will DESI201 satisfy a beginner building a gate?

Two owners reported stable performance from DESI201 in amateur use. After simple repairs and socket replacements, they continued welding without complaints. It suits hobby projects when maintained. [Elektroda, Damiann193, post #16670269]

Is welding quality noticeably different between DEDRA DESI201 and MAGNUM Snake 205D VRD?

In back‑to‑back hobby use, the reviewer could not declare a clear welding difference. Both produced acceptable beads when set correctly. Cable and switch quality favored MAGNUM in that sample. [Elektroda, Damiann193, post #16675773]

Does an inverter outclass an old transformer welder for home projects?

A new DESI201 owner called the inverter “a great thing,” noting better usability than a transformer set. Expect easier starts and portability, but mind circuit protection and meter noise. [Elektroda, rad25, post #16680865]

Any buying tip if I’m torn between DEDRA models?

If warranty matters, one shopper prioritized DESi199BT for its reported 4‑year consumer warranty and solid 100% at 125 A claim. Use that as a tiebreaker after checking current offers. [Elektroda, przemoprzem, post #17489584]

Where can I find 350 A AC transformer ARC welders to EU standards?

Post your requirement to welding distributors and industrial suppliers, requesting CE‑marked 350 A AC MMA units with datasheets. State input voltage, duty cycle, and accessories needed. [Elektroda, zakir1481, post #20736082]
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