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RT/ZHLS, A-2Y(L)2Y External Telephone Cables to NR/PS/TEL/00015
APPLICATIONThe cables are designed primarily for trackside railway installation in non electrifi ed area. For direct burial application, brass tape armoured or Zetabon type corrugated steel tape armoured can be offered against rodent attack.STANDARDNR…
RT_ZHLS, A-2Y(L)2Y External TelephoneCables to NR_PS_TEL_00015.pdf Contact us
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APPLICATION

The cables are designed primarily for trackside railway installation in non electrifi ed area. For direct burial application, brass tape armoured or Zetabon type corrugated steel tape armoured can be offered against rodent attack.

STANDARD

  • NR/PS/TEL/00015 (formerly RT/E/PS/00015 or GK/RT 0315)

  • TS0886/BR1822

  • BR892

CABLE CONSTRUCTION

  • OptionalConductors: Solid plain copper conductor, 0.63 or 0.9 mm nominal diameter.

  • Insulation: Solid polyethylene to BS 6234.

  • Cabling Element: Two insulated conductors are twisted together to form a pair.

  • Stranding: Pairs are helically stranded in 10 pair units.

  • Core Wrapping: Plastic tape(s) with overlapping.

  • Moisture Barrier: One laminated sheath made of aluminium tape (0.15mm) coated with PE-Copolymer on at least one side is applied with longitudinally overlap.

  • Outer Sheath: Polyethylene to BS 6234. LSZH compound option can be offered upon request.

  • Jelly Filled Cables: The cable core interstices are fi lled with petroleum jelly to avoid longitudinal water penetration within the cable. The water resistant filling compound is applied to the air space between non-hygroscopic tape and shield, shield and sheath within the cable core.

  • Armoured Cables: Corrugated steel tape armour coated on both sides with copolymer can be applied over an intermediate sheath. The steel tape thickness is 0.145mm. Brass tape armour can be offered as an option.

ELECTRICAL CHARACTERISTICS AT 20℃

Nominal Conductor Diametermm0.630.9
Maximum Conductor ResistanceΩ/km60.030.0
Minimum Insulation Resistance @500 V DC (1min)MΩ.km15001500
Maximum Conductor Capacitance @1000Hz (AC)


Maximum Average Value


For 20 pairs or lessnF/km7079
More than 20 pairsnF/km6775
Maximum Individual Value 99% of pairs


Up to 20 pairsnF/km79.085.0
More than 20 pairsnF/km75.081.0
Maximum Capacitance Unbalance @1000Hz pair to pair (99% of pairs)


For 2 pairs (1 quad)pF/500m800800
All other sizespF/500m275275
Dielectric Strength, conductor to screen (DC voltage 2mins)V20002000
Maximum Average Attenuation


@1.0KHzdB/km1.400.95
@2.4KHzdB/km2.151.46
@1.024MHzdB/km18.7014.6
Minimum Average Near-end Crosstalk


@1.0KHzdB/km7070
@2.4KHzdB/km6565
@1.024MHz


Within UnitsdB/km4040
Between UnitsdB/km4747
High Voltage Breakdown Test


DC for 2minsV20002000
AC for 2minsV13331333

MECHANICAL AND THERMAL PROPERTIES

  • Minimum Bending Radius: 7.5×OD (unarmoured); 10×OD (armoured)

  • Temperature Range: -40℃ to +70℃ (during operation); -10℃ +60℃ (during installation)

CORE IDENTIFICATION

DIMENSIONS AND WEIGHT

A-2Y(L)2Y n×2×0.63/0.9

Cable CodeNumber of Pairs
(n)		Nominal Sheath
Thickness
mm		Maximum Overall
Diameter
mm		Nominal Weight
kg/km
0.63mm Conductor, 1.15mm Insulated Wire
BRAIL RT/ZHLS-2Y(L)2Y-2P0.6322.712.3103
BRAIL RT/ZHLS-2Y(L)2Y-5P0.6352.713.8155
BRAIL RT/ZHLS-2Y(L)2Y-10P0.63102.715.6212
BRAIL RT/ZHLS-2Y(L)2Y-20P0.63202.718.1309
BRAIL RT/ZHLS-2Y(L)2Y-30P0.63302.720.4403
BRAIL RT/ZHLS-2Y(L)2Y-50P0.63502.724.2574
BRAIL RT/ZHLS-2Y(L)2Y-70P0.63752.728.2779
BRAIL RT/ZHLS-2Y(L)2Y-100P0.631002.731.0974
0.9mm Conductor, 1.5mm Insulated Wire
BRAIL RT/ZHLS-2Y(L)2Y-2P0.922.713.3131
BRAIL RT/ZHLS-2Y(L)2Y-5P0.952.715.6208
BRAIL RT/ZHLS-2Y(L)2Y-10P0.9102.718.1305
BRAIL RT/ZHLS-2Y(L)2Y-20P0.9202.721.9477
BRAIL RT/ZHLS-2Y(L)2Y-30P0.9302.725.2639
BRAIL RT/ZHLS-2Y(L)2Y-50P0.9502.730.0951
BRAIL RT/ZHLS-2Y(L)2Y-70P0.9752.735.81325
BRAIL RT/ZHLS-2Y(L)2Y-100P0.91002.739.11688

A-2Y(F)(L)2YB2Y n×2×0.63/0.9 Jelly Filled & Armoured Cables

Cable CodeNumber of Pairs
(n)		Nominal Sheath
Thickness
mm		Maximum Overall
Diameter
mm		Nominal Weight
kg/km
InnerOuter
0.63mm Conductor, 1.15mm Insulated Wire
BRAIL RT/ZHLS-2Y(F)(L)2YB2Y-2P0.6321.61.618.0222
BRAIL RT/ZHLS-2Y(F)(L)2YB2Y-5P0.6351.61.619.5296
BRAIL RT/ZHLS-2Y(F)(L)2YB2Y-10P0.63101.61.620.3383
BRAIL RT/ZHLS-2Y(F)(L)2YB2Y-20P0.63201.61.623.8504
BRAIL RT/ZHLS-2Y(F)(L)2YB2Y-30P0.63301.61.626.1606
BRAIL RT/ZHLS-2Y(F)(L)2YB2Y-50P0.63501.61.629.9903
BRAIL RT/ZHLS-2Y(F)(L)2YB2Y-70P0.63751.61.633.91202
BRAIL RT/ZHLS-2Y(F)(L)2YB2Y-100P0.631001.61.636.71463
0.9mm Conductor, 1.5mm Insulated Wire
BRAIL RT/ZHLS-2Y(F)(L)2YB2Y-2P0.921.61.619.0250
BRAIL RT/ZHLS-2Y(F)(L)2YB2Y-5P0.951.61.621.3370
BRAIL RT/ZHLS-2Y(F)(L)2YB2Y-10P0.9101.61.623.8508
BRAIL RT/ZHLS-2Y(F)(L)2YB2Y-20P0.9201.61.627.6782
BRAIL RT/ZHLS-2Y(F)(L)2YB2Y-30P0.9301.61.630.91000
BRAIL RT/ZHLS-2Y(F)(L)2YB2Y-50P0.9501.61.635.71402
BRAIL RT/ZHLS-2Y(F)(L)2YB2Y-70P0.9751.61.641.52055
BRAIL RT/ZHLS-2Y(F)(L)2YB2Y-100P0.91001.61.644.82550


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