We have one dental equipment with one universal motor in 2000W and 220V range shown below:
And we gave two corruption in selled device to customers which have inrush current problem by switching the universal motor, so one of the switch poles has been burned like this ( 220V 16A):
And
So i searched the internet for solution and seen the ntc in this inrush current :
2200÷220=10A >> 3×10A ~ its inrush current!!
Like MS35 NTC with this shape:
But it is expensive (~5 €), so what is any other way with ...?
Thanks for your attention.
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