Planning with SIVACON 8 PS - Siemens

Table of contents6 Planning with LRC ................................................................................................................................. 2076.1 System description.................................................................................................................... 2076.2 System components.................................................................................................................. 2086.2.1 Preliminary technical descriptions for specifications................................................................. 2086.2.2 Type code.................................................................................................................................. 2116.2.3 System sizes and structure....................................................................................................... 2126.2.4 Conductor configuration............................................................................................................ 2136.2.5 Straight trunking units ............................................................................................................... 2146.2.6 Junction units ............................................................................................................................ 2146.2.7 Distribution board connection for Siemens power distribution boards...................................... 2176.2.8 Connection unit for non-Siemens distribution boards ............................................................... 2176.2.9 Connection unit for transformers and distribution boards ......................................................... 2186.2.10 Incoming cable connection unit................................................................................................. 2206.2.11 Tap-offs for power distribution................................................................................................... 2216.2.12 Additional equipment................................................................................................................. 2226.3 Technical data........................................................................................................................... 2246.3.1 General data for LRC ................................................................................................................ 2246.3.2 LRC0141-0341 trunking units ................................................................................................... 2256.3.3 LRC0441-0941 trunking units ................................................................................................... 2266.3.4 LRC2741-2941 trunking units ................................................................................................... 2276.3.5 LRC0151-0351 trunking units ................................................................................................... 2286.3.6 LRC0451-0951 trunking units ................................................................................................... 2296.3.7 LRC2751-2951 trunking units ................................................................................................... 2306.4 Dimension drawings.................................................................................................................. 2317 Further information about planning ........................................................................................................ 2337.1 Dimensioning and selection ...................................................................................................... 2337.1.1 Determining the voltage drop.................................................................................................... 2337.1.2 Overload protection and short-circuit protection ....................................................................... 2367.1.3 Loop impedance........................................................................................................................ 2387.1.4 Degrees of protection for busbar trunking systems .................................................................. 2397.1.5 Degrees of protection for electrical equipment (DIN EN 60529)............................................... 2397.1.6 Distribution systems (grid types) in accordance with IEC 60364-1........................................... 2417.2 Planning example...................................................................................................................... 2437.3 Functional endurance................................................................................................................ 2457.3.1 Applicable regulations for busbar trunking systems ................................................................. 2457.3.2 Versions .................................................................................................................................... 2467.4 Fireproof barrier ........................................................................................................................ 2487.4.1 Versions .................................................................................................................................... 2497.4.2 Cut-outs..................................................................................................................................... 2507.5 Planning runs ............................................................................................................................ 2527.5.1 Space requirements for horizontal installation.......................................................................... 2527.5.2 Space requirements for vertical installation .............................................................................. 2547.5.3 Fixing brackets for vertical mounting ........................................................................................ 2567.5.4 Fixing brackets for horizontal installation.................................................................................. 2587.5.5 Support constructions ............................................................................................................... 2607.6 Magnetic fields .......................................................................................................................... 2627.7 Sprinkler test ............................................................................................................................. 2677.8 Tools and services .................................................................................................................... 269Planning with SIVACON 8 PS8 Planning Manual, 10/2007, A5E01541101-01