TRATOS® RAILWAY-FGT Aluminium Cable

Enhanced unarmoured aluminium conductor cable with Water Blocking (WB) and glass fibre Weave (FGT) for signalling electrical power distribution in accordance with NR/L2/SIGELP/27408.

Special Cables / Railways & Mass Transit Cables / Signalling Cables for Railways Applications

Network Rail approved cable UK logoTRATOS® RAILWAY-FGT Aluminium – Infrastructure Signalling Power Distribution Cable

Tratos FGT Aluminium full range of enhanced unarmoured cables with water blocking (WB) and Fibre Glass Weave Tape (FGT) rodent protection and internal anti-theft maker protection has gained full product acceptance, certificate number PA05/07165, from Network Rail for use on their infrastructure.

Tratos FGT enhanced unarmoured aluminium conductor power cable forms part of the Class II power supply and have increased insulation and sheath thickness intended to provide a degree of protection against crushing and impact damage are installed in accordance with Network Rail standard NR/L2/SIGELP/27410 Specification for Class II Based Signalling Power Distribution Systems.

Class  II systems are designed in such a way that they do not require a safety connection to an electrical earth. Safety is paramount, given the many cable thefts and cable damage in recent years. With theft and vandalism, there is a risk that the earth return system could become compromised leading to death or serious injury.

FGT Solid aluminium conductor (SAC) cables from 16mm2 to 120mm2 are designed and manufactured with aluminium class 1 solid and aluminium stranded class 2 (120mm2 to 185mm2) conductors according to BS EN 60228.

Cross sectional areas 16mm2 to 25mm2 have circular conductors, 35mm2 to 120mm2 with sector shaped conductors and 120mm2 to 185mm2 with stranded shaped conductors in two, three and four core constructions.

The XLPE enhanced cable insulation meets or exceeds the requirements as specified in the following standards: IEC 60502-1 Type XLPE & BS 7655-1-3 Type GP8. The insulated core colour identification requirements for two and three cores are according to NR/L3/SIGELP/27427. Four core cables for use in single phase IT systems have Red, Brown Black and Grey core colours as specified in NR/L3/SIGELP/27427.

Within the cable a longitudinal internal identification tape with the legend ‘PROPERTY OF NETWORK RAIL’ this provides cable anti-theft marker protection.

Water blocking (WB) tape/s are applied to provide excellent water tightness of the cable conductors, the WB tapes used in the construction and manufacturing meets or exceeds the requirements as specified in ISO 9073. A very important requirement of the cable specification is the application of fibre glass weave tape (FGT) which is specified in the Network Rail NR/L2/SIGELP/27408 issues 3 standard. The FGT tape provides rodent protection to the cable. The main purpose of the FGT is to stop rats chewing through signalling power cables and when damaged by rodents can lead to severe train delays when signalling power failures occur due to rodent damage.

Tratos provides cable sheathing options Polyvinyl chloride (PVC) as specified in the following standards: IEC 60502-1 Type ST1, ST2 BS 7655-4-2 Type 9 EN 50363-4-1 Type TM1, TM2 or Low Smoke Zero Halogen) LSOH cable sheathing material to the following standards: IEC 60502-1 Type ST8 BS 7655-6-1 Type LTS1, LTS4.

Tratos’ FGT cable with LSOH sheathing meets the Technical Specification for Interoperability on Safety in Railway Tunnels (TSI SRT) for exposed cables installed in railway tunnels longer than 0.1km against the Construction Products Regulation (CPR) classification B2ca,s1a,a1. The SAC/FAC LSOH range of cables have been tested to demonstrate fire safety material compliance to Transport for London (TfL)/London Underground (LU) S1085 A4 by Interscience Communications Ltd (ICL), a fully accredited UKAS fire testing service provider.

The full range of Tratos’ enhanced unarmoured FGT cables are detailed and listed on the Network Rail – SERCO PADS (Parts and Drawing System) for accepted products. Full details of Tratos’ approved cable product can be viewed on the SERCO PADS accessed system. The application allows searches to the following product attributes; PADS Catalogue (006/) Number, the item cable description, our supplier details, the Tratos part number & images, Tratos product certificate PA05/07165 and the product acceptance specific details.

Contact us:

Tel: +44 20 3148 5178

e-mail: sales@tratosgroup.com

Please don’t hesitate to contact us if you need additional information about our products.

Catalogues

 Tratos Railways & Mass Transit

 Tratos Rolling Stock

 TratosRailways – Network Rail – FGT

Application

These cables are intended for use in Class II based signalling power distribution systems where the nominal voltage is up to 650 V a.c.

CONSTRUCTION

  • Aluminium class 1 (SAC) and aluminium class2 (FAC)
  • Cross-linked polyethylene (XLPE), water-blocking (WB)
  • Glass-fibre weave tape (FGT) non-metallic rodent (NMR) protection
  • PVC and/or LSOH Black.

Standards

Technical Specifications

  • Conductors are in accordance and tested to EN60228.
  • Rated voltage 600/1000 volts.
  • Minimum bending radius (mm) as stated in NR/L2/SIGELP/27408.
  • Operating temperatures in the range -15°c to +90°c

Contact us

Please, don’t hesitate to contact us for additional information on our company or our products.

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