
NR/PS/SIG/00005 Signalling Type C1, C2, C3 Cable
Cable Construction
Conductor | Class 5 tinned conductor |
Insulation | EPR (Ethylene Propylene Rubber) Type GP4 according to BS 7655 |
Screen (C3 only) | AL (Aluminium Tape) |
Drain Wire | Type C3 only |
Sheath | HDPCP (Heavy Duty Polychloroprene) Type RS2 according to BS 7655 |
Bedding | PET (Polyethylene Terephthalate) |
Dimensions
Cable Type | No. of Cores | Nominal Cross Sectional Area mm² | Minimum Thickness of Sheath mm | Minimum Overall Diameter mm | Maximum Overall Diameter mm | Nominal Weight kg/km |
---|---|---|---|---|---|---|
C1 | 1 | 2.5 | 3.8 | 11.2 | 14 | 174 |
C2 | 2 | 2.5 | 3.8 | 14.9 | 18.8 | 338 |
C2 | 4 | 2.5 | 3.8 | 16.4 | 20.9 | 450 |
C2 | 7 | 2.5 | 3.8 | 18.7 | 23.7 | 612 |
C2 | 10 | 2.5 | 3.8 | 22.5 | 28.6 | 836 |
C2 | 6 x 2 | 0.75 | 3.8 | 23.2 | 29.3 | 868 |
C2 | 12 | 2.5 | 3.8 | 23.2 | 29.3 | 909 |
C2 | 16 | 2.5 | 3.8 | 25.3 | 32 | 985 |
C3 | 2+ Drain | 2.5 | 3.8 | 15 | 20 | 341 |
Class 5 Flexible Copper Conductors for Single Core and Multi-Core Cables
The below table is in accordance with BS EN 60228 (previously BS 6360)
Nominal Cross Sectional Area mm² | Maximum Diameter of Wires in Conductor mm | Maximum Resistance of Conductor At 20ºC |
---|---|---|
Metal-Coated Wires ohms/km | ||
0.75 | 0.4 | 26.7 |
2.5 | 0.26 | 8.21 |
The above table is in accordance with BS EN 60228 (previously BS 6360)
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