Planning with SIVACON 8 PS - Siemens

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Planning with LXA/LXC5.2 System components5.2.9 Connection unit for transformers and distribution boardsThe wide variety of transformer types reflects the variety of rated currents and the differentphase sequences and clearances.This type variety requires high flexibility as regards transformer connection in busbartrunking systems.The universal connection unit can also be used to connect distribution boards.For LX busbar trunking systems up to 6300 A, transformer connection units are availablewith busbar connection on the side (LX.....-AS.) and on the top (LX.....-AS.-T.).Busbar connection on the sideBusbar connection on the topaThe total length is calculated from the phase clearances of the connection units to be planned(approx. 3 x phase clearance + 300 mm)Type of connection unit Selectable phase clearance Possible phase sequencesLX.....-AS1(-T)115...400 mmL1, L2, L3, N (PEN)LX.....-AS3(-T)405...750 mmN (PEN), L3, L2, L1L3, L2, L1, N (PEN)N (PEN), L1, L2, L3LX.....-AS2(-T) 450...750 mm L1, L2, N (PEN), L3L3, N (PEN), L2, L1L3, L2, N (PEN), L1L1, N (PEN), L2, L3Planning with SIVACON 8 PS160 Planning Manual, 10/2007, A5E01541101-01
Planning with LXA/LXC5.2 System components5.2.10 Incoming cable connection unitIf power needs to be supplied to the busbar trunking system via cables, you should use anLXA(C)....-KE incoming cable connection unit.Figure 5-4Incoming cable connection unitThe incoming cable connection unit is designed for rated currents from 800 to 3200 A.Enclosure sizesDepending on the system, three sizes can be selected:Size 1:Size 2:Size 3:LX.01...-KE to LXC02...-KELX.03...-KE and LXC(A)05...-KELX.06...-KE and LXC07..-The maximum dimensions are 920 mm x 639 mm x 490 mm (W x H x D).You can connect single-core or multi-core cables. You can connect cross sections up to300 mm 2 (bolted connection) directly to the incoming cable connection unit bars.The sheet steel flange plates and the cable sleeves are included in the scope of supply ofthe standard product. Single-core cables are supplied with an undrilled aluminium plate forcable entry.Planning with SIVACON 8 PSPlanning Manual, 10/2007, A5E01541101-01 161
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Planning Manual · 10/2007Planning
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Safety GuidelinesThis manual contai
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Table of contents3.3 Technical data
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Table of contents6 Planning with LR
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Table of contentsPlanning with SIVA
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System overview1.1 Overview of Siem
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System overview1.1 Overview of Siem
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System overview1.2 CD-K systemConne
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System overview1.3 BD01 systemConne
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System overview1.4 Networked busbar
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Planning principles2.2 Busbar trunk
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Planning principles2.3 Rated curren
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Planning principles2.4 System selec
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Planning principles2.4 System selec
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Planning with BD2A/BD2C3.2 System c
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Planning with BD2A/BD2C3.4 Conducto
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Planning with BD2A/BD2C3.5 Dimensio
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Planning with LRC6.3 Technical data
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Planning with LRC6.4 Dimension draw
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Further information about planning
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Further information about planning7
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GlossaryAThe manufacturers of low-v
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GlossaryRated ultimate short-circui
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IndexAAdditional equipment, 59, 126
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IndexSelection of systems, 31Select
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Siemens AGAutomation and DrivesLow-
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Planning with SIVACON 8 PS - Siemens

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