Planning with SIVACON 8 PS - Siemens

Planning with BD2A/BD2C3.3 Technical data3.3.4 Trunking units with copper conductorsType BD2C-.-160 BD2C-.-250 BD2C-.-400Conducting pathsRated insulation voltage Ui VAC/VDC 690/800 690/800 690/800Overvoltage category/pollution degree III/3 III/3 III/3Rated operating voltage Ue VAC 690 690 690Frequency Hz 50...60 50...60 50...60Rated current Ie = therm. rated current at max. 40°C and 35°C average over A 160 250 40024 hoursImpedance of conducting paths at 50 Hz and 20°C ambient temperature (with cold busbars)• Resistance R20 mΩ/m 0.303 0.295 0.144• Reactance X20 mΩ/m 0.157 0.158 0.119• Impedance Z20 mΩ/m 0.341 0.335 0.187Impedance of conducting paths at 50 Hz and 20°C ambient temperature (with busbars at normaloperating temperature)• Resistance R1 mΩ/m 0.333 0.383 0.181• Reactance X1 mΩ/m 0.157 0.159 0.120• Impedance Z1 mΩ/m 0.368 0.419 0.217Impedance of conducting paths under fault conditions• AC current rating RF mΩ/m 0.666 0.674 0.364• Reactance XF mΩ/m 0.511 0.530 0.461• Impedance ZF mΩ/m 0.839 0.858 0.587Zero impedance acc. toPhase NR0 mΩ/m 1.419 1.429 0.718DIN EN 60909-0/DIN VDE 0102X0 mΩ/m 0.691 0.703 0.658Z0 mΩ/m 1.579 1.593 0.974Phase PE R0 mΩ/m 1.027 1.139 0.672X0 mΩ/m 0.641 0.530 0.503Z0 mΩ/m 1.211 1.256 0.839Short-circuit rating• Rated peak withstand current Ipk kA 17 32 40• Rated short-time withstand current Icwt = 1 s kA 5.5 10 16t = 0.1 s kA 10 16 20Number of conductors 5 5 5Conductor cross sectionL1, L2, L3 mm 2 63 63 147N mm 2 63 63 147PE mm 2 63 63 1471/2 PE mm 2 63 63 147Conductor material Cu Cu CuMax. fixing distances for trunking units under conventional mechanical load• Edgewise m 4 4 4• Edgewise with BD2-BD 1) m 4 4 4• Flat m 3.5 3.5 3.5Fire load 2) kWh/m 1.32 1.32 1.32Weight 3) kg/m 7.3 7.5 9.51)When using spacer brackets BD2-BD2)Values for trunking units with tap-off points3)Weights without joint block (weight of joint block BD2-400-SK: 3.5 kg, BD2-1250-EK 6.5 kg)Planning with SIVACON 8 PSPlanning Manual, 10/2007, A5E01541101-01 65