www.se.com46Design guideBusbar trunking for low-power distributionCABDEFRun component characteristicsRating of trunking (A)KN4063100160General characteristicsCompliance with standardsIEC/EN 61439-6Degree of protectionIP55555555Mechanical impactsIK08080808Rated current at an ambient temperature of 35 °CIncA4063100160Rated insulation voltageUiV500500500500Rated operational voltageUeV500500500500Rated impulse voltageUimpkV6666Rated frequencyfHz50/6050/6050/6050/60Conductor characteristicsPhase conductorsMean resistance at an ambient temperature of 20 °CR20mΩ/m1.71.71.70.61Mean resistance at Inc and 35 °CR1mΩ/m1.942.052.20.79Mean reactance at Inc, 35 °C and 50 HzX1mΩ/m0.250.250.250.24Mean impedance at Inc, 35 °C and 50 HzZ1mΩ/m1.962.062.230.83Protective conductor (PE)Mean resistance at an ambient temperature of 20 °CmΩ/m1.091.091.091.09Fault loop characteristicsSymmetricalcomponentsmethodPh/Nat 20 °CMean resistanceR0 ph/NmΩ/m6.936.936.932.67Mean reactanceX0 ph/NmΩ/m1.561.561.561.4Mean impedanceZ0 ph/NmΩ/m7.117.117.113.01Ph/PEat 20 °CMean resistanceR0 ph/PEmΩ/m5.155.155.153.34Mean reactanceX0 ph/PEmΩ/m1.681.681.681.29Mean impedanceZ0 ph/PEmΩ/m5.425.425.423.58ImpedancemethodAt 20 °CMeanresistancePh/PhRb0 ph/phmΩ/m3.43.43.41.21Ph/NRb0 ph/NmΩ/m3.43.43.41.24Ph/PERb0 ph/PEmΩ/m2.852.852.851.71For Incat 35 °CMeanresistancePh/PhRb1 ph/phmΩ/m3.894.094.431.58Ph/NRb1 ph/NmΩ/m3.894.094.431.61Ph/PERb1 ph/PEmΩ/m3.143.273.452.22For Incat 35 °C and 50 HzMeanreactancePh/PhXb ph/phmΩ/m0.520.520.520.79Ph/NXb ph/NmΩ/m0.780.780.780.75Ph/PEXb ph/PEmΩ/m0.960.960.960.84Other characteristicsShort-circuit withstand capacityRated peak withstand currentIpkkA6111420Maximum thermal limit I2t (t = 1 s)A2s1.98 x 1061.98 x 1061.98 x 1068 x 106Rated short-time withstand current (t = 1 s)IcwkA1.41.41.42.8Voltage dropComposite voltage drop (hot state) expressed in V / 100 m / A (50 Hz) with the load uniformly distributed over the run. If the load is concentrated at one end of the run, the voltage drop is twice the value indicated in the table.For a power factor of1V/100 m/A0.1680.1780.1910.0680.9V/100 m/A0.1610.1690.1810.0710.8V/100 m/A0.1470.1550.1650.0670.7V/100 m/A0.1330.1400.1490.063This calculation table applies to the three-phase system.To obtain the single-phase voltage drop, the three-phase voltage drop shown above is divided by 0.866. Radiated magnetic fieldRadiated magnetic field strength 1 metre from the trunkingBμT0.0390.0630.1060.186Product selection when harmonics are present (for details, see the "Special Applications" section) Operational current as a function of 3rd harmonic contentTHD y 15 %406310016015 % < THD y 33 %325080130THD > 33 %284063100Permissible current as a function of ambient temperatureAmbient temperature°C< 353540455055Coefficient K1%Sans10.970.940.910.87DEBU020EN
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