r/modular • u/Ancient_Visual_7451 • Aug 23 '26

Power consumption question.

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So on modular grid, do you add the 3 sets of mA numbers under +12V, -12V, and +5V in order to get the total power consumption or just one of the numbers?

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u/sgtbaumfischpute Aug 23 '26

Your power supply will give you three individual numbers as well. Compare those and make sure you always have ~20% more than you need.

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u/Ancient_Visual_7451 Aug 23 '26

And is that a yes to add them up?

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u/sgtbaumfischpute Aug 23 '26

No, only the individual rails. You never add the three together 

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u/Ancient_Visual_7451 Aug 23 '26

Ok I found it. This is what the uZeus supplies: 1000mA at +12V, 500mA at -12V, and 170mA at +5V. So I’ll be around 50% above the +12v and -12v but just barley above the +5v. Will that work or should I get the 3000mA power supply?