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Scada/Pilot Cables NR/PS/ELP/27220

Application

The telecom cables are suitable for modem based supervisory system operating in the VF range from 300 to 3000Hz.

 

Standards

  • NR/PS/ELP/27220 (formerly RT/E/PS/0034)

 

Construction

  • Conductors: Class 1 solid plain copper conductor 0.9 mm nominal diameter to BS 6360, complies with BS 3573.
  • Insulation: Solid polyethylene type 03 to BS 6234.
  • Cabling Element: Two insulated conductors are twisted together to form a pair.
  • Filling: Petroleum jelly fi lled.
  • Core Wrapping: PETP (Polyethylene Terephthalate) tape.
  • Moisture Barrier: One laminated sheath made of aluminium tape coated with PE-Copolymer on at least one side is applied with longitudinally overlap.
  • Inner Sheath: Low density polyethylene type 03C to BS 6234.
  • Screen: Aluminium wire screen.
  • Core Wrapping: Water blocking tape
  • Sheath: Low density polyethylene type 03C to BS 6234.

 

 

Electrical Characteristics at 20℃

Nominal Conductor Diameter mm 0.9
Maximum Conductor Resistance Ω/km 30.0
Maximum Average Mutual Capacitance @1000Hz (AC) nF/km 71
Maximum Capacitance Unbalance @1000Hz pair to pair pF/500m 275

 

Mechanical and Thermal Properties

  • Minimum Bending Radius: 10×OD
  • Temperature Range: -25℃ to +85℃ (during operation); -10℃ to +70℃ (during installation)

 

Dimensions and Weight

Cable Code Number of Pairs Nominal Sheath
Thickness
mm
Maximum Overall
Diameter
mm
Nominal Weight
kg/km
0.9mm Conductor, 1.5mm Insulated Wire
RS27220-2Y(F)(L)2YB2Y-10P0.9 10 1.8 25.8 755
RS27220-2Y(F)(L)2YB2Y-20P0.9 20 1.8 27.8 946
RS27220-2Y(F)(L)2YB2Y-30P0.9 30 2.0 31.8 1225
RS27220-2Y(F)(L)2YB2Y-50P0.9 50 2.0 35.8 1643
RS27220-2Y(F)(L)2YB2Y-75P0.9 75 2.2 41.6 2240
RS27220-2Y(F)(L)2YB2Y-100P0.9 100 2.2 46.6 2780

 

CALEDONIAN

Marchants Industrial Centre, Mill Lane Laughton, 
Lewes, East Sussex, BN8 6AJ, UK

Tel: 44-207-4195087

Fax: 44-207-8319489

Email: enquiry@railway-cables.com