Draka Saffire Railsure London Underground Approved Single Core Zero Halogen Low Smoke Cables
London Underground Approved Cable
Draka Saffire railsure
Prysmian Draka Saffire Railsure is a zero halogen, low smoke power cable for industrial wiring and control for non-emergency systems in public buildings, station concourses above and below ground.
Saffire Railsure cables are LU approved and can be installed within conduit or trunking wiring systems in fixed or protected environments.
➡ See also 6242B | 6491B | Railsure LU Cables
Draka Saffire Railsure Cables
Technical Specification
Cable Construction | |
Manufacturing Standard | BS EN 50525-3-41 plus LU 1-085 |
Conductors | Stranded plain annealed copper wire (Class 2) to BS EN 60228 |
Insulation | An extruded layer of cross-linked Zero Halogen, Low Smoke (0HLS) compound |
Physical Characteristics | |
Voltage Rating (Uo/U) | 450/750V |
Maximum Conductor Temperature | 90ºC Note: Where a conductor operates at a temperature exceeding 70ºC, it shall be ascertained that the equipment connected to the conductor is suitable for the conductor operating temperature (see regulation 512-1-5 of BS7671, the 17th Edition of IEE Wiring Regulations) |
Minimum Bending Radius | 6 x overall diameter of cable |
Current Rating | Refers to tables 4E1A & 4E1B in BS7671 |
General Performance | Complies with LU specification 1-085 |
Performance Characteristics | |
Smoke Emission | LU-1-085, BS EN 61034-2 |
Acid Gas Emission | LU-1-085, BS EN 50267-2-1 |
Flame Propagation | LU 1-085, BS EN 60332-1-2, BS EN 60332-3-* |
Single Core RSURE cables
Low Smoke Zero Halogen
Nominal Area of Conductor (mm²) | Insulation Thickness (mm) | Approx. Overall Diameter (mm) | Approx. Cable Weight (kg/km) | Maximum Conductor Resistance |
1.5 | 0.7 | 3.0 | 25 | 12.10 |
2.5 | 0.8 | 3.7 | 35 | 7.41 |
4 | 0.8 | 4.1 | 50 | 4.61 |
6 | 0.8 | 4.8 | 75 | 3.08 |
10 | 1.0 | 6.1 | 120 | 1.83 |
16 | 1.0 | 6.7 | 165 | 1.15 |
25 | 1.2 | 8.3 | 260 | 0.727 |
35 | 1.2 | 9.3 | 345 | 0.524 |
50 | 1.4 | 11.1 | 475 | 0.387 |
70 | 1.4 | 12.7 | 670 | 0.268 |
95 | 1.6 | 14.7 | 1150 | 0.193 |
120 | 1.6 | 16.1 | 1150 | 0.153 |
150 | 1.8 | 18.0 | 1425 | 0.124 |
185 | 2.0 | 20.2 | 1785 | 0.0991 |
240 | 2.2 | 22.9 | 2335 | 0.0754 |
300 | 2.4 | 25.6 | 2945 | 0.0601 |
400 | 2.6 | 29.1 | 3910 | 0.047 |
500 | 2.8 | 32.9 | 5010 | 0.0366 |
630 | 2.8 | 35.9 | 6315 | 0.0283 |
London Underground LU Rail Cables, Glands & Cleats
Cable Accessories for Low Smoke Zero Halogen Cables
To maintain the circuit integrity of low smoke zero halogen (LSZH) cables, T&D distribute a complete range of Prysmian cable accessories for LSZH cables including cable glands, cable cleats and joints.
➡ See the complete range of Prysmian cable accessories for low, medium and high voltage cables.