Cable Cervicom EAPSP Quads CPR

Star quads railway signaling cables with EAPSP sheath, ADIF standard. They are used as telecommunication cables in track circuits, especially in railway infrastructures. External installation in ducts or directly buried, with special protection against rodents.

Technical characteristics

1. Conductor resistance

· 0.9mm: 29 Ohm/Km Max.
· 1.3mm: 13.9 Ohm/Km Max.
· 1.4mm: 11.9 Ohm/Km Max.

2. Min. bending radius

15xD

3. Insulation resistance

35000 MOhm*Km (500V, 20°C)

4. Operating Tª

-25°C a +75°C

5. Resistance unbalance

Average value: 1%
Max. value: 2,5%

6. Capacitance unbalance

Max. average value pair-pair: 35 pF/km
Max. value pair-pair: 250 pF/m
Max. average value pair-ground: 320 pF/km
Max. value pair-ground: 1200 pF/m

7. Mutual capacitance

Average value: 38±3 nF/km (0.9) / 41±4 nF/km (1.3) / 41±4 nF/km (1.4)
Max. value: 45 nF/km (0.9) / 48 nF/km (1.3) / 48 nF/km (1.4)

8. Dielectric strength

Cond-Cond: 3000V
Cond-Shield: 5000 V

9. Nominal attenuation (dB/100m)

· 1 kHz: 0.70 dB/km (0,9), 0.50 dB/km (1.3), 0.46 dB/km (1.4)
· 10 kHz: 1.60 dB/km (0,9), 1.15 dB/km (1.3), 0.85 dB/km (1.4)
· 30 kHz: 2.1 dB/km (0,9), 1.55 dB/km (1.3), 1.3 dB/km (1.4)

Construction

1. Conductor

Bare copper wire
Diameter: 0,9mm /1.3mm /1.4mm

2. Insulation

Solid polyethylene
Identification: Colour code

3. Composition

Star quadsa in concentric layers
Envelope: Polyester tape

4. Overall screen

Aluminium/copolymer tape, longitudinally applied, overlapped an glued to the inner sheath

5. Outer sheath

Polyethylene (UV Resistant)
Colour: Black

6. Inner sheath

Polyethylene

7. Armour

Corrugated steel tape with copolymer, longitudinally applied and overlapped

Standards

1. CPR Classification (Euroclass)

Fca
(Según norma UNE-EN 50575)

Standards / Properties

1. Ref. standard for drawing

ADIF ET-03.365.052.4

Star quads railway signaling cables with EAPSP sheath, ADIF standard. They are used as telecommunication cables in track circuits, especially in railway infrastructures. External installation in ducts or directly buried, with special protection against rodents.