Water Blocked S11 RU(i) 250 V 
Applications
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These unarmoured cables are partially water blocked, flame retardant, low smoke and halogen free, used for instrumentation, communication, control and alarm systems.
Standards
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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 VG 95218 part 29
Construction
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l Conductors: Circular tinned annealed stranded copper wire to IEC 60228 class 2.
l Insulation: Halogen free EPR compound.
l Twinning: Colour coded cores twisted together.
l Filler: Water blocking fillers, if required.
l Individual Shielding: Each pairs/triples are screened by copper backed polyester tape in contact with a stranded tinned copper drain wire and wrapped with polyester tape. Pairs/triples are numbered with numbered tape or by numbers printed directly on the insulated conductors.
l Filler: Water blocking fillers, if required.
l Water Blocking Elements: Water blocking tape and strings for providing longitudinal water tightness.
l Inner Sheath: Halogen free thermosetting compound, SHF2, coloured grey (blue for intrinsically safe).
l Outer Sheath: Polyurethane for providing transversal water tightness, PE is optional,but can not meet low smoke standard.
Electrical Characteristics
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Nominal Cross Section Area mm² 0.75 1.0 1.5 2.5 Nominal Conductor Diameter mm 1.1 1.3 1.6 2.0 Maximum Resistant@20℃ Ω/km 26.3 19.3 12.9 8.02 Mutual Capacitance nF/km 90 100 110 120 Nominal Inductance@1KHz MH/km 0.686 0.649 0.637 0.598 Maximum L/R@1KHz μH/Ω 20 25 35 50 Operating Voltage V 250 250 250 250
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 (mm²) |
Nominal Insulation Thickness mm |
Nominal Inner Sheath Thickness mm |
Nominal Outer Sheath Thickness mm | Nominal Overall Diameter mm |
Nominal Weight kg/km |
| 1×2×0.75 | 0.6 | 1 | 1 | 9.6±2 | 100 |
| 2×2×0.75 | 0.6 | 1.1 | 1 | 11.7±2 | 189 |
| 4×2×0.75 | 0.6 | 1.2 | 1 | 14.1±2 | 268 |
| 7×2×0.75 | 0.6 | 1.3 | 1 | 16.4±2 | 399 |
| 8×2×0.75 | 0.6 | 1.3 | 1 | 17.6±2 | 446 |
| 12×2×0.75 | 0.6 | 1.5 | 1 | 21.0±2 | 641 |
| 16×2×0.75 | 0.6 | 1.5 | 1 | 23.0±2 | 824 |
| 19×2×0.75 | 0.6 | 1.6 | 1 | 24.4±2 | 940 |
| 24×2×0.75 | 0.6 | 1.7 | 1 | 27.6±2 | 1192 |
| 32×2×0.75 | 0.6 | 1.8 | 1 | 30.4±2 | 1512 |
| 1×3×0.75 | 0.6 | 1 | 1 | 10.0±2 | 116 |
| 2×3×0.75 | 0.6 | 1.2 | 1 | 13.0±2 | 189 |
| 3×3×0.75 | 0.6 | 1.2 | 1 | 14.7±2 | 278 |
| 4×3×0.75 | 0.6 | 1.2 | 1 | 15.8±2 | 341 |
| 7×3×0.75 | 0.6 | 1.4 | 1 | 18.7±2 | 525 |
| 8×3×0.75 | 0.6 | 1.4 | 1 | 20.0±2 | 567 |
| 12×3×0.75 | 0.6 | 1.6 | 1 | 24.2±2 | 856 |
| 16×3×0.75 | 0.6 | 1.6 | 1 | 26.7±2 | 1097 |
| 19×3×0.75 | 0.6 | 1.7 | 1 | 28.2±2 | 1265 |
| 24×3×0.75 | 0.6 | 1.9 | 1 | 32.5±2 | 1622 |
| 1×2×1.0 | 0.6 | 1 | 1 | 10.1±2 | 116 |
| 2×2×1.0 | 0.6 | 1.1 | 1 | 12.4±2 | 226 |
| 4×2×1.0 | 0.6 | 1.2 | 1 | 14.9±2 | 326 |
| 7×2×1.0 | 0.6 | 1.4 | 1 | 17.5±2 | 499 |
| 8×2×1.0 | 0.6 | 1.4 | 1 | 19.0±2 | 567 |
| 12×2×1.0 | 0.6 | 1.5 | 1 | 22.5±2 | 798 |
| 16×2×1.0 | 0.6 | 1.5 | 1 | 24.9±2 | 1045 |
| 19×2×1.0 | 0.6 | 1.7 | 1 | 26.1±2 | 1192 |
| 24×2×1.0 | 0.6 | 1.8 | 1 | 29.8±2 | 1523 |
| 32×2×1.0 | 0.6 | 1.9 | 1 | 32.8±2 | 1943 |
| 1×3×1.0 | 0.6 | 1 | 1 | 10.5±2 | 131 |
| 3×3×1.0 | 0.6 | 1.3 | 1 | 15.4±2 | 336 |
| 4×3×1.0 | 0.6 | 1.3 | 1 | 16.8±2 | 415 |
| 7×3×1.0 | 0.6 | 1.5 | 1 | 19.9±2 | 646 |
| 12×3×1.0 | 0.6 | 1.6 | 1 | 25.7±2 | 1040 |
| 16×3×1.0 | 0.6 | 1.7 | 1 | 28.5±2 | 1360 |
| 19×3×1.0 | 0.6 | 1.8 | 1 | 30.0±2 | 1549 |
| 24×3×1.0 | 0.6 | 2 | 1 | 34.6±2 | 1995 |
| 1×2×1.5 | 0.7 | 1 | 1 | 11.1±2 | 147 |
| 2×2×1.5 | 0.7 | 1.2 | 1 | 13.7±2 | 294 |
| 4×2×1.5 | 0.7 | 1.3 | 1 | 16.9±2 | 431 |
| 7×2×1.5 | 0.7 | 1.5 | 1 | 20.0±2 | 667 |
| 8×2×1.5 | 0.7 | 1.5 | 1 | 21.7±2 | 756 |
| 12×2×1.5 | 0.7 | 1.6 | 1 | 25.8±2 | 1066 |
| 16×2×1.5 | 0.7 | 1.6 | 1 | 28.6±2 | 1397 |
| 19×2×1.5 | 0.7 | 1.9 | 1 | 30.3±2 | 1601 |
| 24×2×1.5 | 0.7 | 2 | 1 | 34.6±2 | 2042 |
| 32×2×1.5 | 0.7 | 2.2 | 1 | 38.1±2 | 2599 |
| 1×3×1.5 | 0.7 | 1 | 1 | 11.5±2 | 168 |
| 2×3×1.5 | 0.7 | 1.3 | 1 | 16.0±2 | 299 |
| 3×3×1.5 | 0.7 | 1.3 | 1 | 17.5±2 | 446 |
| 4×3×1.5 | 0.7 | 1.3 | 1 | 19.0±2 | 551 |
| 7×3×1.5 | 0.7 | 1.6 | 1 | 22.9±2 | 872 |
| 8×3×1.5 | 0.7 | 1.6 | 1 | 24.5±2 | 945 |
| 12×3×1.5 | 0.7 | 1.8 | 1 | 29.6±2 | 1407 |
| 16×3×1.5 | 0.7 | 1.9 | 1 | 33.1±2 | 1859 |
| 19×3×1.5 | 0.7 | 2 | 1 | 34.8±2 | 2121 |
| 24×3×1.5 | 0.7 | 2.2 | 1 | 40.4±2 | 2741 |
| 1×2×2.5 | 0.7 | 1 | 1 | 11.8±2 | 184 |
| 1×3×2.5 | 0.7 | 1.2 | 1 | 12.4±2 | 215 |