RETFLEX N2XY 0,6/1 kV 3x70+1x70 mm2 FB

Description

Description

Application:

General application as power cable. In low voltage distribution power networks, industrial installations, in buildings and operation stations. In fixed installations, indoor and outdoor areas (trays, gutters, staples). It can be installed in ducts, in dry or wet locations.

Construction:

1. Conductor: Flexible soft copper, class 5.

2. Insulation: Cross linked polyethylene XLPE.

3. Insulated grounding conductor: Flexible soft copper, class 5 - XLPE

4. Filler: Flexible compound polyvinyl chloride PVC (when applicable).

5. Outer sheath: Flexible compound polyvinyl chloride PVC.

Main characteristics:

Good electrical and mechanical properties. Cross-linked polyethylene insulation allows greater power capacity under any operating condition, minimum dielectric losses, high insulation resistance. The PVC outer sheath allows an adequate resistance to greases, oils, abrasion and sunlight. Flame retardant.

Cross section:

From 4 mm2 up to 300 mm2.

Marking:

INDECO S.A. RETFLEX N2XY 0,6/1 kV - Nb. Cores x section + Grounding Cond. Section - 90C - Year (- sequential length m. || sequential length m. + ) .

Packing:

Non returnable wooden reels.

Colour:

Insulation: See insulation color.

Outer sheath: Black.

National standards

NTP-IEC 60228: Conductors of insulated cables.

NTP-IEC 60502-1: Power cables with extruded insulation and their accessories for rated voltages from 1 kV and 3 kV.

International standards

IEC 60228: Conductors of insulated cables.

IEC 60502-1: Power cables with extruded insulation and their accessories for rated voltages from 1 kV and 3 kV.

IEC 60332-1-2: Test for vertical flame propagation for a single insulated wire or cable - Procedure for 1 kW pre-mixed flame.

UL 2556: Wire and Cable Test Methods. Section 9.3:FT1 (Vertical-Specimen) Flame Test.

IEC 60811-401: Thermal ageing methods -Ageing in an air oven.

IEC 60811-402: Water absorption test.

IEC 60811-409: Mass loss test for thermoplastic insulations and covers.

IEC 60811-501: Test for determining the mechanical properties of insulating and sheating.

IEC 60811-502: Shrinkage test for isolations.

IEC 60811-504: Bending test at low temperature for insulation and covers.

IEC 60811-505: Low temperature elongation test for insulations and covers.

IEC 60811-506: Impact test at low temperature for insulations and covers.

IEC 60811-507: Hot elongation test for crosslinked materials.

IEC 60811-508: High temperature pressure tests for insulations and covers.

IEC 60811-509: Tests of resistance to cracking of the insulations and covers (thermal shock).

UL 2556: Wire and Cable Test Methods. Section 4.2.8.5:Carbon-Arc and Xenon-Arc Tests- Sunlight resistance.

Calculation of Current Condition: Copper Conductor Multi-core L.V.; 90°C

CURRENT CAPACITY VALUES AND CURRENT CALCULATION CONDITIONS BASED ON IEC 60364-5-52:2009 :

TABLE B.52.5 (METHOD D1: Buried ducts in triangular formation).
TABLE B.52.5 (METHOD D2: Buried in triangular formation).
TABLE B.52.12 (METHOD E3: Air in tringular formation).

Maximum conductor temperature : 90°C.
Ambient air temperature : 30°C.
Ground temperature : 20°C.
Depth of laying up to: 0,7 m.
Thermal resistivity of soil : 2,5 K.m/W.

Characteristics

Characteristics

Construction characteristics

Construction characteristics

Conductor material
Soft copper
Insulating material
XLPE
Outer sheath
PVC Flexible
Sheath colour
Black
Lead free
Yes
Conductor flexibility
Class 5 IEC 60228
Conductor shape
Circular
Insulation
XLPE
Insulation colour
White + Black + Red + yellow/green
With Green/Yellow core
No

Dimensional characteristics

Dimensional characteristics

Number of cores
3
Conductor cross-section
70 mm²
Conductor diameter
11.2 mm
Minimum insulation thickness
1.1 mm
Ground conductor cross-section
70 mm²
Minimum Insulation thickness of ground cable
1.1 mm
Minimum outer sheath thickness
1.6 mm
Diameter over Sheath
36.6 mm
Approximate weight
3035 kg/km

Electrical characteristics

Electrical characteristics

Rated Voltage Uo/U (Um)
0.6/ 1 (1.2) kV
Dielectric strength
3.5 kV
Time of application Dielectric strength core to screen AC
5 min.
Max. DC resistance of the conductor at 20°C
0.272 Ohm/km
Nominal capacitance
744.0 pF/m
Perm current rating in air 30°C
246 A
Perm. Current in duct 20°C
167 A
Permissible current rating buried 20°C
188 A

Mechanical characteristics

Mechanical characteristics

Cable flexibility
Excellent

Usage characteristics

Usage characteristics

Oil resistance
Good
Water proof
AD8 according to UNE-EN 50525-2-21
Flame retardant
IEC 60332-1-2; FT1
Metric marking
Double marking of sequential footage METRIUM
U.V resistance
UL 2556 - Sunlight Resistance
Maximum operating temperature
90 °C
Overload maximum core temperature
130 °C
Short-circuit max. conductor temperature
250 °C

Resources

Resources

Documentation

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