Specifications

43 ROCPOWER ‐ ROCWAVEusermanual
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OverloadCondition
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TheworkingprincipleoftheUPSwhenoverloadedisillustratedasfollows:
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Fig4
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1.Generally,moderndayelectronicsandITequipmentgenerateaninrushcurrentwhen
switchingon.Theamountofinrushcurrentvariesfromequipmenttoequipment.Somecan
beashighassix(6)timesitsratedcapacitywhileothersproducenegligibleinrush.To
preventseveredamagetoitsinvertercausedbytheinrushproducedbytheloads,theUPSis
equippedwithelectronicsoverloadprotectionfeatureasstandard.IftheUPSloadingis
>105~120%ofitscapacity,itwillswi tchtoBypassModein30seconds toprotecttheinverter.
Iftheoverloadconditioniseliminatedbyreducingtheloadto<105%,theUPSwill
automaticallyswitchbacktoInverterMode.IftheUPSloadingis>150%ofitscapacity,the
inverterwillimmediatelyshutdown.