Page 81 - IS-Rayfast Catalogue - Issue 9, 2017
P. 81

Wire and Cable
                                                     Custom Cable Designs
                                                  1. Conductor & Primary Wire Selection
                                                              Multi-conductor cables

                                              1a. CONDUCTOR Selection             1

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                                                Conductor size (AWG)  No. Strands / Diameter  Conductor OD (mm) nominal  Cross sectional area (mm 2 )  Resistance (Tinned Cu) Ω/km               Current carrying capacity (amps)      30ºC rise above 20ºC ambient  4

                                                                                  5


       We stock many wire constructions, gauges and                      max @ 20ºC  6
       colours, all of which are available for forming
       part of our customised multicore cable design
                                               30  7/0.10  0.30  0.06  356.0  2.2
       and build service.                                                         7
                                               28  7/0.13  0.38  0.09  225.0  2.9
       The choice of primary wire is the first step
       to designing a cable and is critical to its final   26  19/0.10  0.50  0.16  135.0  4.1
       performance.                            24  19/0.13  0.63  0.24  86.0  5.5  8
       Listed below are our most popular wires, but   22  19/0.16  0.80  0.38  53.2  7.4
       we have also provided unique multicore cables                              9
                                               20  19/0.20  1.00  0.62  32.4  10.0
       that have included the following wires and
       cable combinations...                   18  19/0.25  1.25  0.96  20.4  14.0
                                                                                 10
        •  Flexible power                      16  19/0.29  1.44  1.23  15.8  15.5
        •  Ethernet, USB and Quadrax           14  19/0.36  1.80  1.94  9.9  21.0
        •  Coaxial and Triaxial RF and Video cable  12  37/0.32  2.24  2.97  6.6  28.0  11
        •  Optical fibres                    Current carrying capacities are for a single wire and should be
       For more information please see relevant cable    de-rated for bundles and / or higher ambient temperature than   12
                                             20 o C. Contact IS-Group for further information.
       specifications.
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       1b. PRIMARY WIRE Selection Examples
                  Temp. Range   Voltage  Chemical   Abrasion
       Wire Type                                         Flexibility  Characteristics
                     ºC       Rating  Resistance  Resistance                     14
                            300V, 600V,                         High Temperature,
       PTFE wire  -75 to +260          Excellent  Good    Fair
                              1000V                             Chemical Resistance  15
                            600V, 1000V,                        Tough, Flexible, Small
       44 Wire    -65 to +150         Very Good  Very Good  Good
                              2500V                             Size, Lightweight
                                                                                 16
                                                                Ultra lightweight, Arc
       55 Wire    -65 to +200  450V, 600V  Very Good  Excellent  Fair
                                                                Tracking Resistant
                                                                                 17
                                                                Low Flammability,
       99 Wire    -55 to +125  600V, 1000V  Good  Good    Fair
                                                                Toxicity and Smoke
                                                                Low Fire Hazard and   18
       100 Wire   -40 to +125  300V     Good     Good      fair
                                                                Halogen Free
                                 www.is-rayfast.com                            79
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