![]() ![]() If it is greater than than this, you're going to have to work with an electrician. If you have a slight overvoltage situation, say 250V, you'd probably be OK. I'd recommend double checking and matching your on-site voltage the UPS nominal voltage: 200, 208, 220, 230, or 240V. Therefore operating on UPS power beyond bypass range is never a good long term solution. Going outside of the bypass range renders the bypass circuit unavailable - as providing poor power to equipment could damage it more than immediate shutdown. The UPS components are designed to track voltage in line with the bypass circuit this is done in order to successfully and safely transfer to bypass in less than 10 milliseconds in case of a fault. We provide a bypass circuit to keep equipment running even if the UPS becomes overloaded or internal components fail. Also, the bypass functionality will be hurt, which leads to your next question. It puts more strain on the UPS, increasing risk of failure. The UPS should not be used as a transformer. The input voltage window of 180-276V is more for handling voltage fluctuations. Nominal voltages include 208, 230, and 240V. The UPS should really be run at the operating voltage (often called nominal in our literature). I'll take a stab at this one though:īased on this, would an input voltage as high as 276VAC be ok?"įrom my experience, you're going down a slipper slope. ![]() ![]() You may eventually need to get in touch with an application engineer or a service tech over the phone. Your response will be highly appreciated as we are going to do major testing this week. Our installation has an MEN (Multi Earth Neutral) link fitted between the output active and neutral terminals.Is there a risk of damage when selecting the UPS bypass mode, if the input voltage is higher than the output voltage?.What happens if the input voltage is outside of either of the above ranges?.For 240V nominal, does this mean that an input voltage of 204V to 264V is ok? Table 17 shows a “bypass voltage range” of +10%/-15%.Based on this, would an input voltage as high as 276VAC be ok? The UPS manual states an input voltage range of 180V to 276VAC, as per table 19.Thanks, I hope it works as we do need it before our testing this week. I will do this when I am on site again tomorrow - right now its been replaced with one of our spare unit.Īlso, can you please clarify the following for us, for the Eaton 9130 2kVA? ![]()
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