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DC stands for Direct Current, which means the flow of electric charge in a single direction. Examples of a DC source are batteries, solar panels, and dynamos.

0 votes
2 answers
863 views

Estimating VAC rating from VDC rating

I have encountered several terminals, sockets, cables, and similar components which are rated in either DC or AC voltage, but not both. I sometimes want to use an AC rated part with DC or vice versa. …
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3 votes
2 answers
6k views

Difference between a DC SSR (solid state relay) and AC SSR

I am trying to understand the difference between a DC and AC solid state relay. For electromechanical relays, I notice that they are often rated for some VAC load and a smaller DC load. … Solid state relays, however, seem to be rated only for VAC or DC. What would happen if one accidentally applied a DC load to a VAC solid state relay and vice versa? …
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