• Home
• Brands
• Mean Well Manuals
• Mean Well DRH-120-24
• Mean Well DRH-120-24 Installation Manual

Mean Well DRH-120-24 Installation Manual

Download Installation manual of Mean Well DRH-120-24 Power Supply for Free or View it Online on All-Guides.com. This version of Mean Well DRH-120-24 Manual compatible with such list of devices, as: DRH-120-24, DRH-120-48, DRT-240-24, DRT-480-24, DRT-960-24

1

2

3

InstallationManual



 Type：GeneralTypeDINrailwithThreePhaseorHighInputRange

（Series：DRH‐120,DRT‐240,DRT‐480,DRT‐960）

DRH‐120‐24 INPUT:400‐500VAC0.65A50/60Hz OUTPUT:24V5A

DRH‐120‐48 INPUT:400‐500VAC0.65A50/60Hz OUTPUT:48V2.5A

DRT‐240‐24 INPUT:400‐500VAC0.95A50/60Hz OUTPUT:24V10A

DRT‐240‐48 INPUT:400‐500VAC0.95A50/60Hz OUTPUT:48V5A

DRT‐480‐24 INPUT:400‐500VAC1.7A50/60Hz OUTPUT:24V20A

DRT‐480‐48 INPUT:400‐500VAC1.7A50/60Hz OUTPUT:48V10A

DRT‐960‐24 INPUT:400‐500VAC2.4A50/60Hz OUTPUT:24V40A

DRT‐960‐48 INPUT:400‐500VAC2.4A50/60Hz OUTPUT:24V20A



 Introduction

General type with three phase or high input range is a DIN rail power supply series with a high input range,

340‐550Vac.LikeotherMeanWell’sDINseries,theycanbemountedonaTS35StandardDINrail.



 Installation

（1）Alwaysallowgoodventilationclearances,5mmleftandright,40mmaboveand20mmbelow,around theunit

inuse topreventitfromoverheating.Alsoa10‐15cmclearancemustbekeptwhentheadjacentdeviceisa

heatsource.

（2）Theappropriatemountingorientationfor

theunitisvertical,theinputterminalsatthebottomandoutputon 

the top for DRH‐120, the input terminals on the right and output on the left for DRT‐240, DRT‐480 and 

DRT‐960. Mounting orientations other than that, such as upside down, horizontal, or table‐top

mounting, is

notallowed.

















（3）Usecopperwireonly,andrecommendedwiresareshownasbelow.

AWG 18 16 14 12 10

RatedCurrentof

Equipment(Amp)

6A 6‐10A 13‐16A 16‐25A 25‐32A

Cross‐sectionof

Lead(mm

2

)

0.75 1.00 1.5 2.5 4

Note:Currenteachwirecarriesshouldbede‐ratedto80%ofthecurrentsuggested

abovewhenusing5ormorewiresconnectedtotheunit.

Make surethatall strands ofeachstrandedwireenterthe terminal connectionand the screwterminals are

securely fixed to preven t poor contact. If the power supply possesses multi‐output terminals, please make

sureeachcontactisconnectedtowirestopreventtoomuchcurrentstressonasinglecontact.

（4）Usewiresthatcanwithstandtemperaturesofatleast80°CsuchasUL1007.

（5）Recommendedwirestrappinglengthis5mm(0.197”).

（6）Recommendedscrewdriveris4mm,slottedtype.

（7）Therecommendedtorquesettingforterminalsis 10kgf‐cm(9Lb‐in).