bbyatv September 14, 2008 Share September 14, 2008 Can one of the electrical guys/gals help me understand what size UPS I need for my pumps? Here is the label from the UPS I hae: One of my pumps is 115 volts and 110 watts. The other is 110 volts and 170 watts. What do the numbers on the back of the UPS mean? Is this a big enought UPS to run the smaller of the pumps? I only need to run one pump in an emergency. Bruce Link to comment Share on other sites More sharing options...
Ne0eN September 14, 2008 Share September 14, 2008 (edited) How long do you want your pumps to run? Any size UPS will give you power back-up. This one looks like it should run both pumps fine for a brief power outage. (under 30 min) --Rob PS. Best way to test how long a given UPS will last is to pull the plug and time it. I used a similar 650VA UPS to run my Mag9.5 (93W) and Seio powerhead for about 35 min... Edited September 14, 2008 by Ne0eN Link to comment Share on other sites More sharing options...
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