NFR-8 2x 4mm²

Description

Description

Standards

  • National
    KS C IEC 60502-1; KWS 409

Application

Power cable for distribution circuit of residential, commercial building .
Fire resistant and low toxic cable.

 

Standard

K 60502-1

KS C IEC 60502-1

KWS 409: cable for Firefighting (Fire resistance)

KWS 410: 0.6/1kV Flame retardant power cable

 

Construction

1. Conductor: Annealed copper stranded conductor, Class 2

2. Insulation: Fire resistant: Mica tape.

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

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

4. Outer sheath: Black low toxic and flame retardant Polyefin

 

Colors

1 core: Natural color (XLPE)
2 cores: White /Black
3 cores: White / Black /Red,
4 cores: White / Black / Red / Green

 

Certification

KETI, Korea Eco-Label

NFR-8 0.6/1kV design

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Conductor

Insulation

Filler

Binder tape

Outer sheath

 

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

Characteristics

Characteristics

Construction characteristics

Construction characteristics

Conductor material
Annealed copper
Type of conductor
Stranded, class 2
Insulation
Micatape + XLPE
Outer sheath
LSZH
Construction type
7 x 0.85
Colour
White / black
With Green/Yellow core
No
With smaller neutral conductor
No

Dimensional characteristics

Dimensional characteristics

Number of cores
2
Conductor cross-section
4 mm²
Conductor diameter
2.55 mm
Average insulation thickness
0.7 mm
Outer Diameter
16 mm
Average sheath thickness
1.4 mm
Approximate weight
210 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

Mechanical characteristics

Mechanical characteristics

Corrosivity
IEC 60754-2

Usage characteristics

Usage characteristics

Operating temperature, range
-15 ... 90 °C
Flame retardant
KSC IEC 60332-3
Smoke density
ASTME 662
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

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