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Transformerless Power Supplies (Q014E)

 

 

I want to put in my workbench a transformerless power supply with several voltages, because the sources with transformers are more expensive.

 

The transformer gives the safety of the insulation, which is very important when working with equipment, having the possibility to touch its parts and thus getting shocks. Transformerless sources are not recommended for benchtops precisely for this reason.