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Scada/Pilot Cables NR/PS/ELP/27220

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.

IFilling

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