InstallationManual
Type:GeneralTypeDINrailwithThreePhaseorHighInputRange
(Series:DRH‐120,DRT‐240,DRT‐480,DRT‐960)
DRH‐120‐24INPUT:400‐500VAC0.65A50/60HzOUTPUT:24V5A
DRH‐120‐48INPUT:400‐500VAC0.65A50/60HzOUTPUT:48V2.5A
DRT‐240‐24 INPUT:400‐500VAC0.95A50/60HzOUTPUT:24V10A
DRT‐240‐48 INPUT:400‐500VAC0.95A50/60HzOUTPUT:48V5A
DRT‐480‐24 INPUT:400‐500VAC1.7A50/60HzOUTPUT:24V20A
DRT‐480‐48 INPUT:400‐500VAC1.7A50/60HzOUTPUT:48V10A
DRT‐960‐24 INPUT:400‐500VAC2.4A50/60HzOUTPUT:24V40A
DRT‐960‐48 INPUT:400‐500VAC2.4A50/60HzOUTPUT:24V20A
Introduction
GeneraltypewiththreephaseorhighinputrangeisaDINrailpowersupplyserieswithahighinputrange,
340‐550Vac.LikeotherMeanWell’sDINseries,theycanbemountedonaTS35StandardDINrail.
Installation
(1)Alwaysallowgoodventilationclearances,5mmleftandright,40mmaboveand20mmbelow,aroundtheunit
inusetopreventitfromoverheating.Alsoa10‐15cmclearancemustbekeptwhentheadjacentdeviceisa
heatsource.
(2)Theappropriatemountingorientationfortheunitisvertical,theinputterminalsatthebottomandoutputon
thetopforDRH‐120,theinputterminalsontherightandoutputontheleftforDRT‐240,DRT‐480and
DRT‐960.Mountingorientationsotherthanthat,suchasupsidedown,horizontal,ortable‐topmounting,is
notallowed.
(3)Usecopperwireonly,andrecommendedwiresareshownasbelow.
AWG1816 14 12 10
RatedCurrentof
Equipment(Amp)6A6‐10A13‐16A16‐25A25‐32A
Cross‐sectionof
Lead(mm2)0.751.001.52.54
Note:Currenteachwirecarriesshouldbede‐ratedto80%ofthecurrentsuggested
abovewhenusing5ormorewiresconnectedtotheunit.
Makesurethatallstrandsofeachstrandedwireentertheterminalconnectionandthescrewterminalsare
securelyfixedtopreventpoorcontact.Ifthepowersupplypossessesmulti‐outputterminals,pleasemake
sureeachcontactisconnectedtowirestopreventtoomuchcurrentstressonasinglecontact.
(4)Usewiresthatcanwithstandtemperaturesofatleast80°CsuchasUL1007.
(5)Recommendedwirestrappinglengthis5mm(0.197”).
(6)Recommendedscrewdriveris4mm,slottedtype.
(7)Therecommendedtorquesettingforterminalsis10kgf‐cm(9Lb‐in).