S12 RU(c) 250 V

Applications

These unarmoured cables are flame retardant, low smoke and halogen free, used for instrumentation, communication, control and alarm systems.

Standards

  • IEC 60092-376
  • IEC 60092-351
  • IEC 60092-359
  • IEC 60332-1
  • IEC 60332-3-22
  • IEC 60754-1,2
  • IEC 61034-1,2
  • NEK 606:2004

Construction

S12 RU(c) 250 V S12 RU(c) 250 V

 

Conductors Circular tinned annealed stranded copper wire to IEC 60228 class 2.
Insulation Halogen free EPR compound.
Twinning Colour coded cores twisted together.
Individual Shielding Pairs/triples are layed up and collectively screened by copper backed polyester tape in contact with a stranded tinned copper drain wire. Pairs/triples are numbered with numbered tape or by numbers printed directly on the insulated conductors.
Outer Sheath Halogen free thermosetting compound, SHF2, coloured grey (blue for intrinsically safe).

Electrical Characteristics

Nominal Cross Section Area mm^2 0.75 1.0 1.5
Nominal Conductor Diameter mm 1.1 1.3 1.6
Maximum Resistant@20℃ Ω/km 26.3 19.3 12.9
Mutual Capacitance nF/km 80 90 100
Nominal Inductance@1KHz MH/km 0.682 0.645 0.632
Maximum L/R@1KHz μH/Ω 20 25 35
Operating Voltage V 250 250 250

Mechanical and Thermal Properties

Bending Radius 8×OD (during installation)
  6×OD (fixed installed)
Temperature Range -20℃ ~ +90℃

Dimensions and Weight

Construction No. of elements×No. of cores in element×Cross section(mm^2) Nominal Insulation Thickness (mm) Nominal Sheath Thickness (mm) Nominal Overall Diameter (mm) Nominal Weight (kg/km)
2×2×0.75 0.6 1.1 9.4 160
4×2×0.75 0.6 1.1 11.5 215
7×2×0.75 0.6 1.3 13.6 300
8×2×0.75 0.6 1.3 14.7 340
12×2×0.75 0.6 1.4 17.6 465
16×2×0.75 0.6 1.5 19.7 595
19×2×0.75 0.6 1.5 20.7 665
24×2×0.75 0.6 1.7 24.1 850
32×2×0.75 0.6 2.0 26.7 1065
2×3×0.75 0.6 1.1 11.0 170
3×3×0.75 0.6 1.1 12.1 235
4×3×0.75 0.6 1.2 13.1 280
7×3×0.75 0.6 1.4 15.7 410
8×3×0.75 0.6 1.4 17.5 490
12×3×0.75 0.6 1.5 20.6 645
16×3×0.75 0.6 1.6 23.1 835
19×3×0.75 0.6 1.7 24.3 940
24×3×0.75 0.6 1.8 28.2 1210
2×2×1.0 0.6 1.1 9.9 190
4×2×1.0 0.6 1.1 12.3 255
7×2×1.0 0.6 1.3 14.7 370
8×2×1.0 0.6 1.3 15.7 410
12×2×1.0 0.6 1.5 18.9 565
16×2×1.0 0.6 1.6 21.1 730
19×2×1.0 0.6 1.7 22.5 830
24×2×1.0 0.6 1.8 25.9 1050
32×2×1.0 0.6 2.1 28.7 1315
3×3×1.0 0.6 1.1 12.9 280
4×3×1.0 0.6 1.3 14.0 335
7×3×1.0 0.6 1.5 16.9 500
12×3×1.0 0.6 1.6 22.1 795
16×3×1.0 0.6 1.6 24.8 1025
19×3×1.0 0.6 1.8 26.3 1175
24×3×1.0 0.6 2.0 30.4 1490
2×2×1.5 0.7 1.2 11.3 250
4×2×1.5 0.7 1.2 14.1 345
7×2×1.5 0.7 1.4 17.2 515
8×2×1.5 0.7 1.4 18.4 575
12×2×1.5 0.7 1.6 22.4 810
16×2×1.5 0.7 1.7 25.0 1045
19×2×1.5 0.7 1.8 26.4 1175
24×2×1.5 0.7 1.9 30.7 1505
32×2×1.5 0.7 2.2 33.9 1890
2×3×1.5 0.7 1.2 13.5 265
3×3×1.5 0.7 1.2 14.9 380
4×3×1.5 0.7 1.3 16.3 465
7×3×1.5 0.7 1.5 19.8 705
8×3×1.5 0.7 1.5 21.5 820
12×3×1.5 0.7 1.7 26.2 1140
16×3×1.5 0.7 1.8 29.4 1475
19×3×1.5 0.7 1.9 30.9 1675
24×3×1.5 0.7 2.1 36.2 2160
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