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RJ45-RJ45 Patch Cord

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Railway Cables
 

Digicode 30KHz Indoor Signalling Cables

Digicode 30KHz Indoor Signalling Cables

Application

The cables are designed for transmission of track circuit digicode signals up to 30 kHz in electrifi ed lines.

Standards

● EN 50266-2-4 & IEC 60332-3(Fire performance)
● EN 50268-2(Smoke density)
● EN 50267-2-1(Halogen content)
● EN 50267-2-2(Gases acidity)
● EN 50265-2-1, IEC 60332-1, NFC 32070 Cat C2 compliant (for PVC sheathed cables)

Construction

Conductors
Solid Annealed copper, 1.4 mm nominal diameter (0.6 mm for the auxiliary pair).

Insulation
Polyethylene.

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

Stranding
Pairs are helically stranded to get the cable core.

Core Wrapping
Plastic tape(s) with overlapping.

Inner Sheath
Low density polyethylene.

Moisture Barrier
Copolymer coated laminated aluminium tape.

Intermediate Sheath
LSZH fi re retardant compound. PE or PVC option can be offered upon request.

Mechanical Protection
Two helically applied steel tapes.

Outer Sheath
LSZH fi re retardant compound. PE or PVC option can be offered upon request.

Electrical Characteristics at 20℃

Nominal Conductor Diameter
mm
1.4
Maximum DC Conductor Resistance
Ω/km
12.1
Maximum Resistance Unbalance
%
3
Minimum Insulation Resistance @500 V DC (1min)
MΩ.km
5000
Dielectric Strength (DC voltage 1 min)
Conductor to Conductor
V
1000
Conductor to Screen
V
3000
Minimum Spark Test On Outer Sheath (AC voltage)
V
5000
Maximum Mutual Capacitance (Data pairs)
nF/km
45
Nominal Mutual Capacitance (Auxiliary pair)
nF/km
50
Maximum Capacitance Unbalance    
Pair to Pair
nF/500m
400
Pair to Ground
nF/500m
1500
Maximum Characteristic Pair Attenuation
@2.1KHz
dB/km
0.64
@4.1KHz
dB/km
0.76
@9.5KHz
dB/km
1.05
@20.7KHz
dB/km
1.28
Minimum Near End Crosstalk Attenuation (NEXT)
@4.1KHz
dB/km
54
@20.7KHz
dB/km
42
Minimum Far End Crosstalk Attenuation (FEXT)
@4.1KHz
dB/km
59
@20.7KHz
dB/km
48
Minimum Unbalance Attenuation
dB
40
Maximum Rated Voltage, between pair conductors
V rms
220
Maximum Rated Current
A rms
1

Mechanical and Thermal Properties

Minimum Bending Radius: 8×OD (static); 16×OD (dynamic)
Temperature Range: -40℃ to +60℃ (during operation); -20℃ to +50℃ (during installation)

 

 
   
   
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