TX® (C) 331 150/250V 7P1.5

Description

Description

Standards

  • Product
    448-010-3-10; IEC 60228
  • Installation
    IEC 60092-350; IEC 60092-360; IEC 60092-376
  • Test
    IEC 60331-1 or 2; IEC 60332-3-22; IEC 60754-1; IEC 60754-2; IEC 61034

Application

TX® (C) 331  150/250 V fire resistant overall screened twisted pair cables maintain circuit integrity in case of fire by meeting performances requirements from the IEC 60331 series for 90 minutes. These telecommunication and instrumentation cables provide a medium protection aganist external electromagnetic disturbances. Designed with halogen-free fire retardant materials, they provide optimum safety for people and maximal asset protection against all risks of fire.

Design

  1. Conductor:
    Bare copper
    Stranded class 2
     
  2. Insulation: 
    Mica tape + XLPE (cross-linked polyethylene)
    Optional: Special fire resistant HF 90 (halogen-free compound)
    with INFITTM technology
  3. Collective screen:
    Alu/polyester tape with a tinned copper drain wire
     
  4. Outer sheath:
    Polyolefin SHF1 (SHF2 on request)
    Colour: orange
     

Marking

I NEXANS I - TX (C) 331  150/250 V  "n" x 2 or 3" x s" mm²  90 °C  IEC 60092-376 IEC 60332-3-22 Cat. A IEC 60331-1/2 ww/yy - *CE* + metric marking

 

Core identification

Core 1: white
Core 2: blue
Core 3: red
Double identification:  core and pair.

 

 

Characteristics

Characteristics

Construction characteristics

Construction characteristics

Halogen free
IEC 60754-1
Conductor material
Bare copper
Conductor flexibility
Stranded class 2
Insulation
HFFR special
Screen
Collective screen : Polyester tape/Foil Alu
Drain wire
Tinned copper
Outer sheath
Polyolefin
Sheath colour
Orange

Dimensional characteristics

Dimensional characteristics

Number of pairs
7
Number of triples
-
Conductor cross-section
1.5 mm²
Minimum outer diameter
17.0 mm
Nominal outer diameter
- mm
Maximum outer diameter
19.0 mm
Approximate weight
420 kg/km

Electrical characteristics

Electrical characteristics

Rated Voltage Uo/U (Um)
150 / 250 (300) V
Max. DC resistance of the conductor at 20°C
25.6 Ohm/km

Usage characteristics

Usage characteristics

Fire retardant
EN IEC 60332-3-22 (cat A)
Fire resistant
IEC 60331-21, IEC 60331-1 or 2
Smoke density
IEC 61034
Gases corrosivity
IEC 60754-2
Electro magnetic interference resistance
Yes
Operating temperature, range
-30 ... 80 °C
Max. conductor temperature in service
90 °C
Standard
IEC

Resources

Resources

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