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Outlet Box with delay circuit for UPS Disclosure Number: IPCOM000014376D
Original Publication Date: 2001-Jul-01
Included in the Prior Art Database: 2003-Jun-19

Publishing Venue



Disclosed is a system for an AC outlet box of UPS to avoid an initial overload error indication of UPS. When many PCs and peripherals are connected an UPS and are powered on at the UPS, an overload error can be indicated on the UPS even if the total load is within the UPS Spec. This is because of in-rush current of total load. To avoid this error indication, this outlet box has two groups of outlets ,group1and 2, as below, which is so made that outlets group2 are powered on at 1 second late after the outlet AC input comes and group1 power on by means of timer and relay circuit. This results in splitting the in-rush current value into two times and avoiding initial overload situation. AC UPS OUTPUT timer Outlet GRP 1