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This Post Has Been Edited by the Author
In Reply to: RE: Zerozone 100VA PSU Fuse Issue posted by Tweaker456 on July 19, 2017 at 13:18:54
I could be wrong, but I think you are conflating two different quantities. The fuse is on the AC line going in. The size of the fuse has to be in relation to the power AC consumed, not the power that goes out to the equipment. Of this, I am sure. The fuse is seeing 120V coming in, so the divisor in your little equation is 120, not 12. Therefore also, the AC current consumed from the wall socket is way less than 8.33A, probably less than 1A. But we are still missing the bit of data that tells us what voltage is developed at the secondaries of the transformer. If the output is regulated (as I mentioned before) then the voltage at the secondaries has to be >12V, maybe 15V or more for decent regulation. What I am not certain about is whether the 100VA rating refers to output or input power. The natural assumption is that it refers to output.
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