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Old 05-16-2019, 12:06 AM   #24
Dannyx
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Join Date: Aug 2016
City & State: Constanta
My Country: Romania
Line Voltage: 230VAC 50Hz
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Posts: 2,368
Thumbs up Re: DPS5020 dual power supply build

Yes, I believe on just about every device I've seen so far around here that uses a mechanical switch for the mains it's going to be a DPDT to "cut" both wires going to the plug. Makes perfect sense, since you want to isolate BOTH wires. The plugs are not polarized so L and N can be flipped around at the luck of the draw - you have a 50% chance of inserting the L into the N when plugging the cord in

Would THIS be a good way to connect the X-cap ? Or should it go across the switch and not the load ? In that case, I imagine I'd need two: one for each set of contacts. I also have no idea what value it should have - I'll probably just trash-pick one from a drill or some SMPS
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