MAKELSAN Challenger Series - Main,Load And Battery Connections; External Protection; Cabling And Fuse Configuration

CHALLENGERSERIES10‐60KVA  INSTALLATION
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AG–SD‐35Rev.No:1Rev.Date:25.09.2013PublicationNo:2 39
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3.1.4Main,LoadandBatteryConnections
MAKELSAN strictly recommends a distribution board for the UPS outputs. Proper fuses and
breakersmustbeusedinsuchdistributionboard.A‐Btypefuses or magnetic breakers are
recommendediftheloadissuitable.
3.1.4.1ExternalProtection
ToprotecttheACinputs,thermalmagneticbreakersorVtypebreakersmustbeinstalledonthe
distributionboard.
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Overcurrentprotectingmustbeinstalledonmainsinputdistributionboardandfusesmustbe
chosen135%higherratedthantheonesgiveninthetablebelow.FusesmustbeC‐type.
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GroundleakagesflowtothegroundthroughtheEMIfiltersontheinputandtheoutputofthe
UPS.MAKELSANrecommendstheuseof700mAratedrelaysforhandlingleakagecurrents.
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Thoserelaysmustalsobe:
 ResistanttobothpositiveandnegativeDCpulses,
 Andnotsensitivetotransientcurrents.
 Mustbesensitivetocurrentswhichisaveragebetween0,3‐1A.
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3.1.4.2Cablingandfuseconfiguration
Fullloadinputandoutputcurrentsmustbereviewedforpropercablingandfuseselection.
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UPS
Rating
(KVA)
RatedCurrents(A)
Inputcurrents@maxcharge
current(3P+N)
OutputCurrents@100%Load
(3P+N)
380V 400V 415V 380V 400V 415V
10 17,1 16,2 15,7 15,4 14,6 14,1
15 25,6 24,4 23,5 23,1 21,9 21,1
20 34,2 32,5 31,3 30,8 29,2 28,2
30 51,3 48,7 47 46,2 43,9 42,3
40 68,4 65 62,6 61,6 58,5 56,4
60 102 97 94 93 88 85
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Itshouldbenotedthatwithnon‐linearloads,neutralcurrentmayriseupto1.5timesthephase
current.
Groundcablemustbeconnecteddirectlytogroundlineandmustbekeptasshortaspossible.
Typicalgroundcablecrosssectionsare2.5mm
2
for10kVA,için6mm
2
for15kVA,10mm
2
for20
kVA,16mm
2
for30kVAand25mm
2
for60kVAratings.
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