Prisma Plus G - Schneider Electric

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Additional informationThermal characteristicsThermal management ofswitchboardsGeneralDD381401DD383636Calculation of the internal temperatureCalculation of the temperature is the means to check that the enclosure canevacuate the dissipated power of the installed devices.Important noteCorrect thermal management of the switchboard depends on compliance withthe installation requirements for the distribution system (power circuits).Incorrect installation will have major consequences on the connected device, butalmost none on the internal temperature of the enclosure.Once the circuit has been correctly sized, it is necessary to check whether theassembly (devices + distribution system + cables) have a level of dissipated powerP(W) y the P(W) that the enclosure can handle.Method defined by IEC 890 technical reportThis IEC guide for switchboards proposes a calculation method to determine threelevels of internal temperature, depending on the dissipated power of the devices anddistribution blocks installed in the switchboard.Users can consult this document when it is necessary to determine precisely theinternal temperature in view of optimising the switchboard.On request, Schneider Electric can carry out a thermal study to check that theinstalled assembly and the thermal capacity of the enclosure are compatible.DD382422Comparative methodA number of qualified and tested configurations serve as the basis for indicating thethermal capacity of Prisma Plus enclosures.This is en empirical means to check whether the dissipated power of the desiredconfiguration is close to that of a tested configuration.Method using charts taking into account enclosure characteristicsTo speed up calculations, Schneider Electric produces charts based on thecompany’s experience and a number of assumptions on the installation.They can be used sufficiently precisely to determine the variations in temperatureand the dissipated-power levels for the different types of wall-mount enclosures,floor-standing enclosures and cubicles.160
Additional informationThermal characteristicsThermal management ofswitchboardsComparative methodComparative methodYou will have no problems with your switchboard if:bbthe volume of the enclosure is greater than that of the tested enclosure with asimilar assemblybbthe P(W) of the installed assembly is less than the P(W) of the tested configurationin the same size enclosure.Pack enclosure, 3 rows, IP30Diversity factor: 0.7Ambient temperature around the switchboard:35 °CP(W) = 95 WDD384080C60NorIC60N40 AC60NorIC60N32 AC60NorIC60N20 AC60NorIC60N25 AC60N orIC60N40 AC60N orIC60N25 AWall-mounted enclosure, 23 modules, IP30Diversity factor: 0.7Ambient temperature around the switchboard: 35 °CP(W) = 170 WDD384081NSX250NC60NorIC60N63 AC60NorIC60N50 AC60NorIC60N20 AC60NorIC60N50 AC60NorIC60N40 AC60NorIC60N32 AC60NorIC60N20 AC60NorIC60N20 AC60NorIC60N40 AC60NorIC60N32 AC60NorIC60N20 AC60NorIC60N25 A161
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Prisma Plus GIndexp. 2Determining c
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IndexAlphabetical indexDesignationP
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IndexCatalogue number indexCat. no.
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Prisma Plus:the optimised, tested a
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P System3200 A630 A> Hospitals> Bot
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upgradeable LV switchboards…optim
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Original Manufacturer and Assembly
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IEC 61 439-1 paragraph 11.4Protecti
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PresentationExamples of switchboard
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PresentationExamples of switchboard
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PresentationDetermining catalogue n
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PresentationDetermining catalogue n
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Functional systemContentsPresentati
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Functional systemPresentationThe Pr
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Functional systemFunctional unitsan
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OFFOI ONIONFunctional systemFunctio
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00604010060401000604010006040100Fun
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1004060Functional systemFunctional
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Functional systemAccessoriesFront p
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Functional systemAccessoriesFixing
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Functional systemAccessoriesCable r
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Functional systemAccessoriesSwitchb
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Functional systemAccessoriesManagem
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Functional systemDistributionPanora
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Functional systemDistributionNon-Ce
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Functional systemDistributionCentra
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Prisma Plus Genclosures
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Prisma Plus G enclosuresIP30, IP31,
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Prisma Plus G enclos
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Prisma Plus G enclosuresIP55 enclos
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Prisma Plus G - Schneider Electric

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