Planning with SIVACON 8 PS - Siemens

Planning with LXA/LXC5.3 Technical data5.3.4 LXA..51 trunking unitsSystem-specific data LXA 0151 0251 0451 0551 0651Rated current Ie A 800 1000 1250 1600 2000Conductor impedanceAt 50 Hz and + 20°C busbar Resistance R20 mΩ/m 0.117 0.084 0.056 0.036 0.027temperatureReactance X20 mΩ/m 0.028 0.031 0.024 0.017 0.009Impedance Z20 mΩ/m 0.120 0.090 0.061 0.040 0.029At 50 Hz and final heating of Resistance R1 mΩ/m 0.146 0.106 0.070 0.043 0.034busbarsReactance X1 mΩ/m 0.028 0.031 0.024 0.017 0.009Impedance Z1 mΩ/m 0.149 0.110 0.074 0.046 0.035for 5-pole systems (PE) under Resistance RF mΩ/m 0.174 0.154 0.123 0.079 0.072fault conditions acc. toEN 60439-2Reactance XF mΩ/m 0.084 0.085 0.069 0.056 0.040Impedance ZF mΩ/m 0.193 0.176 0.141 0.097 0.082for 5-pole systems (N) under Resistance RF mΩ/m 0.249 0.192 0.133 0.086 0.064fault conditions acc. toEN 60439-2Reactance XF mΩ/m 0.113 0.122 0.095 0.072 0.046Impedance ZF mΩ/m 0.273 0.227 0.163 0.112 0.079Zero impedancefor 5-pole systems (PE) acc.R0 mΩ/m 0.281 0.274 0.240 0.159 0.153to DIN EN 60909-0/VDE 0102X0 mΩ/m 0.198 0.200 0.161 0.130 0.094Z0 mΩ/m 0.344 0.339 0.289 0.205 0.179for 5-pole systems (N) acc. toR0 mΩ/m 0.484 0.377 0.260 0.167 0.128DIN EN 60909-0/VDE 0102X0 mΩ/m 0.175 0.177 0.134 0.095 0.061Z0 mΩ/m 0.515 0.417 0.293 0.192 0.142Short-circuit ratingRated short-time withstand rms value t = 1 s Icw kA 25 35 50 60 75current for external conductorof the neutral conductor rms value t = 1 s Icw kA 15 21 30 36 45of the 5th conductor rms value t = 1 s Icw kA 15 21 30 36 45Rated peak withstand current Peak value Ipk kA 53 70 110 132 158Conductor materialAluminiumNo. of busbars 4 4 4 4 4Conductor cross section L1, L2, L3 A mm 2 292 386 586 946 1192N A mm 2 292 386 586 946 1192Equivalent copper cross PE = enclosure A mm 2 948 948 1018 1135 1348sectionWeights kg/m 10.6 12.0 15.2 20.8 25.6Planning with SIVACON 8 PS174 Planning Manual, 10/2007, A5E01541101-01