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25-11-2019 #3
Running electronics near their limit (especially cheaper designs) is likely to reduce service life, but as Neale says, most things won't run near full load anyway.
I'd very much doubt your typical homemade router would handle sinking 2.2kw of cutting power into the workpiece.
I wouldn't worry about something like running a high speed 2.2kw spindle, however running something like a big old 2.2kw lathe with high starting loads, I would probably consider uprating the VFD, as the extra current would help get things up to speed faster.
However, if you're looking at the generic Chinese VFDs, I'd say it's more luck of the draw anyway. They're more likely to just randomly release their magic smoke, or for something else to cause them to release their magic smoke, so upsizing isn't likely to increase reliability.Avoiding the rubbish customer service from AluminiumWarehouse since July '13.
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