TFR-3 solid 20x4mm²

Description

Description

Standards

  • Product
    Nexans specification
  • National
    KS C IEC 60502-1

Application

The heat-resisting cable for fire alarm of the residential, commercial building.
The flame retardant cable for tray conformed to the standard of technique of electrical equipment.

 

Standard

K 60502-1

Nexans standard

 

Construction

1. Conductor: Solid conductor (Class 1), Annealed copper stranded conductor, Class  2

2. Insulation: Cross-linked polyethylene (XLPE), Max operating temperature: 90°C.

3. Unit: Cabling circularly insulated solid conductor in case of more 2 cores

4. Outer sheath: Black flame retardant PVC (FR-PVC)

 

Colors

2 cores: White, Black
3 cores: White, Black, Red
4 cores: White, Black, Red, Green 
more 5 cores: Numbering on black or white colored core.

 

Certification

KETI (Safety certification for electrical products)

TFR-3 0.6/1kV design

##image:56145##

Conductor

Insulation

Filler

Binder tape

Outer sheath (TFR-PVC)

 

The values of insulation resistance is not defined but only constant number of insulation resistance is defined.
(K=min. 36.7MΩ.km at room temperature, min. 0.037MΩ.km at 90°C)

Characteristics

Characteristics

Construction characteristics

Construction characteristics

Conductor material
Annealed copper
Type of conductor
Solid, Class 1
Construction type
-
Insulation
XLPE
Outer sheath
PVC
Colour
all cores are black with white numbering
With Green/Yellow core
No
With smaller neutral conductor
No

Dimensional characteristics

Dimensional characteristics

Number of cores
20
Conductor cross-section
4 mm²
Conductor diameter
- mm
Average insulation thickness
0.7 mm
Average sheath thickness
1.8 mm
Outer Diameter
25.5 mm
Approximate weight
1230 kg/km
Neutral conductor section (when smaller)
- mm²

Electrical characteristics

Electrical characteristics

Max. DC resistance of the conductor at 20°C
4.61 Ohm/km
Test voltage
3500 V
Rated Voltage Uo/U (Um)
0,6/1 kV

Usage characteristics

Usage characteristics

Operating temperature, range
-15 ... 60 °C
Flame retardant
KSC IEC 60332-3
Bending factor when installed
12 (xD)

Resources

Resources

Current capacity table XLPE insulation multicore single phase

XLPE or EPR insulation, two loaded conductors/copper or aluminium Conductor temperature: 90 °C, ambient temperature: 30 °C in air, 20 °C in ground
Conductor cross-section
mm² Cu Al Cu Al Cu Al Cu Al Cu Al Cu Al Cu Al
4.0 35.0 27.0 33.0 26.0 40.0 31.0 45.0 35.0 43.0 33.0 46.0 0.0 49.0 38.0
A1 Insulated conductors in conduit in a thermally insulated wall
A2 Multi-core cable in conduit in a thermally insulated wall
B2 Multi-core cable in conduit on a wooden wall
C Single-core or multi-core cable on a wooden wall
D1 Multi-core cable in ducts in the ground
D2 Multi-core cables designed to be buried directly in the ground
E Multi-core cable in free air

Current capacity table XLPE insulation multicore three phase

XLPE or EPR insulation, three loaded conductors/copper or aluminium – Conductor temperature: 90 °C, ambient temperature: 30 °C in air, 20 °C in ground
Conductor cross-section
mm² Cu Al Cu Al Cu Al Cu Al Cu Al Cu Al Cu Al
4.0 31.0 25.0 30.0 24.0 35.0 28.0 40.0 32.0 36.0 28.0 39.0 0.0 42.0 32.0
A1 Insulated conductors in conduit in a thermally insulated wall
A2 Multi-core cable in conduit in a thermally insulated wall
B2 Multi-core cable in conduit on a wooden wall
C Single-core or multi-core cable on a wooden wall
D1 Multi-core cable in ducts in the ground
D2 Multi-core cables designed to be buried directly in the ground
E Multi-core cable in free air

Current capacity table XLPE insulation single core single phase

XLPE or EPR insulation, two loaded conductors/copper or aluminium Conductor temperature: 90 °C, ambient temperature: 30 °C in air, 20 °C in ground
Conductor cross-section
mm² Cu Al Cu Al Cu Al Cu Al Cu Al Cu Al
4.0 35.0 27.0 42.0 33.0 45.0 35.0 43.0 33.0 46.0 0.0 0.0 0.0
A1 Insulated conductors in conduit in a thermally insulated wall
B1 Insulated conductors in conduit on a wooden wall
C Single-core or multi-core cable on a wooden wall
D1 Single core or Multi-core cable in ducts in the ground
D2 Single core or Multi-core cables designed to be buried directly in the ground
F Single-core flat cables, touching in free air

Current capacity table XLPE insulation single core three phase

XLPE or EPR insulation, three loaded conductors/copper or aluminium – Conductor temperature: 90 °C, ambient temperature: 30 °C in air, 20 °C in ground
Conductor cross-section
mm² Cu Al Cu Al Cu Al Cu Al Cu Al Cu Al Cu Al
4.0 31.0 25.0 37.0 29.0 40.0 32.0 36.0 28.0 39.0 0.0 0.0 0.0 0.0 0.0
A1 Insulated conductors in conduit in a thermally insulated wall
B1 Insulated conductors in conduit on a wooden wall
C Single-core or multi-core cable on a wooden wall
D1 Single core or Multi-core cable in ducts in the ground
D2 Single core or Multi-core cables designed to be buried directly in the ground
F Single-core flat cables, touching in free air
Ft Single-core trefoil cables, touching in free air

Contact us

Topics on which you wish to get more informations:

Required fields*

Please check your entry and try again.

An email address must contain a single @

Personal data protector

You have the right to object to the processing of your personal data and/or their use for direct marketing or commercial purposes

Thank you!

Thanks for contacting us. We will be in touch with you shortly.

Error

An error occurred. Please try again.

Close