CABLES AND WIRES - Novkabel

CURRENT LOADCurrent load of insulated conductors up to 1kVTable: PVC and rubber insulated conductorsMethod of conductorinstallationIn airSingle-core 1)For home and handhelddevicesOn surfaceMulti-coreFor home and handhelddevicesNo. of loaded cores 1 2 3 2 or 3Nominal cross-section ofCu conductors (mm 2 )Load (A)0,5 - 3 3 -0,75 15 6 6 121 19 10 10 151,5 24 16 16 182,5 32 25 20 264 42 32 25 346 54 40 - 4410 73 63 - 6116 98 - - 8225 129 - - 10835 158 - - 13550 198 - - 16870 245 - - 20795 292 - - 250120 344 - - 292150 391 - - 335185 448 - - 382240 528 - - 453300 608 - - 523400 726 - - -500 830 - - -1) single-core conductors laid in the air at a distance at least equal to their diameter;single-core conductors in distribution boxes.219Table: Correction factor depending on the ambient temperatureOperating temperature ( O C) 60 70 80 85 90Ambient temperature ( O C)Correction factor10 1,29 1,22 1,18 1,17 1,1515 1,22 1,17 1,14 1,13 1,1220 1,15 1,12 1,10 1,09 1,0825 1,08 1,06 1,05 1,04 1,0430 1,00 1,00 1,00 1,00 1,0035 0,91 0,94 0,95 0,95 0,9640 0,82 0,87 0,89 0,90 0,9145 0,71 0,79 0,84 0,85 0,8750 0,58 0,71 0,77 - 0,8255 0,41 0,61 0,71 - 0,7660 - 0,50 0,63 - 0,7165 - 0,35 0,55 - 0,6570 - - 0,45 - 0,5875 - - 0,32 - 0,5080 - - - - 0,4185 - - - - 0,29