Thread: RD3 and UPS
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Unread 06/17/2021, 06:46 PM   #2
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Depending on your UPS, the manufacturers should have a calculator on their website. The RD3 is not a DC pump. It’s a variable voltage AC pump so there is no other way to connect it to a battery backup other then via the 110v connections on a UPS. And you need a pure sinewave UPS. If the UPS of your choice is pure sinewave, it will be mentioned in the specs.

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