Planning with SIVACON 8 PS - Siemens

Planning with LRC6.3 Technical data6.3.7 LRC2751-2951 trunking unitsLRC2751 LRC2851 LRC2951Rated current Ie [A] 4000 1) 5000 1) 6300 1)Resistance R20 [mΩ/m] At 50 Hz and +20° C busbar0.011 0.009 0.007Reactance X20 [mΩ/m]temperature0.014 0.012 0.012Impedance Z20 [mΩ/m]0.018 0.015 0.014Resistance R1 [mΩ/m] At 50 Hz and final heating0.013 0.01 0.009Reactance X1 [mΩ/m]of busbars0.014 0.016 0.014Impedance Z1 [mΩ/m]0.02 0.019 0.017AC current rating RF PE [mΩ/m] for 5-pole systems (PE) under0.022 0.019 0.019Reactance XF PE [mΩ/m]fault conditions acc. toEN 60439-20.055 0.045 0.04Impedance ZF PE [mΩ/m]0.059 0.049 0.044Resistance RF N [mΩ/m] for 5-pole systems (N) under fault 0.022 0.019 0.019Reactance XF N [mΩ/m]conditions acc. toEN 60439-20.055 0.045 0.04Impedance ZF N [mΩ/m]0.059 0.049 0.044Resistance R0 N [mΩ/m] Zero impedance for 5-pole0.047 0.035 0.03Reactance X0 N [mΩ/m]systems (N) acc. toDIN EN 60909-0/VDE 01020.068 0.063 0.062Impedance Z0 N [mΩ/m]0.083 0.072 0.069Resistance R0 PE [mΩ/m] Zero impedance for 5-pole0.047 0.035 0.03Reactance X0 PE [mΩ/m]systems (PE) acc. toDIN EN 60909-0/VDE 01020.068 0.063 0.062Impedance Z0 PE [mΩ/m]0.083 0.072 0.069Short-circuit ratingRated peak withstand current Ipk [kA] 220 220 220Rated short-time withstand current Icw (t = 1 s) [kA] 100 100 100Conductor materialCopperConductor cross section N [mm 2 ] 1680 2280 2730Conductor cross section of active conductors [mm 2 ] 1680 2280 2730Conductor cross section PE [mm 2 ] 1680 2280 2730Fire load [kWh/m] 65.43 72.81 77.30Max. fixing distances [m] 3 3 3Weight (2 m length with clamped connection) [kg/m] 167 203 232Resistance ratings measured/derived1) Max. permissible rated operating current in continuous duty on requestPlanning with SIVACON 8 PS230 Planning Manual, 10/2007, A5E01541101-01