Planning with SIVACON 8 PS - Siemens

Planning with LRC6.2 System componentsThanks to its cast epoxy enclosure with high IP68 degree of protection and high short-circuitrating, the LR system can provide an assurance of reliable power transmission even underthe harshest ambient conditions. It is entirely resistant to environmental factors such as airhumidity and corrosive or salty atmospheres.The compact system is suitable for flat, edgewise, vertical or horizontal installation as perrequirements in applications from 630 A to 6300 A. Bracket pieces, connectors and T piecesto create junction units facilitate optimisation in line with structural conditions within the mostcompact of dimensions. The LRC system is even ideal for use outdoors.6.2 System components6.2.1 Preliminary technical descriptions for specificationsBasic description busbar trunking systems 800 A to 6300 ABusbar trunking systems shall be supplied and installed as ready-to-use type-testedlow-voltage switchgear assemblies (TTA).The following descriptions are part of the costing and contracts process. They must beconsidered when specifying individual systems and equipment, even if they are notsubsequently referred to in more detail.The busbar trunking system has to be suitable for power transmission, e.g. betweentransformer and low-voltage main distribution board, and power distribution in the form of apower supply, as well as for horizontal and vertical installation.The busbar trunking system must comprise listed system components such as:● Straight trunking units● Feeder units for incoming transformer, distribution board and cable connection units● Junction units with elbow, offset elbow, knee, offset knee, Z units and T units● Joint units● AccessoriesThe busbar trunking system must comprise listed factory-built system components. It is notpermitted to set up flexible junction units and junction units using cable connections.Expansion units and fixed points must be planned as per requirements.Standard components are connected to the tap points on the trunking units as required. Itmust be possible to select the number and position of tap-off points. It shall only be possibleto mount and remove bolt-on tap-off units at zero potential; the units shall also be protectedagainst mistakes being made during installation (180° anti-rotation feature).Planning with SIVACON 8 PS208 Planning Manual, 10/2007, A5E01541101-01