RETFLEX N2XY 0,6/1 kV 25 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 copper, class 5.

2. Insulation: Cross linked polyethylene XLPE.

3. 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 and abrasion. Resistance to sunlight. Flame retardant.

Cross section:

From 2,5 mm2 up to 500 mm2.

Marking:

INDECO S.A. RETFLEX N2XY 0,6/1 kV Section - FB - Year - (- sequential length m. || sequential length m. + ) .

Packing:

Non returnable wooden reels.

Colour:

Insulation: Natural.

Outer sheath: To costumer request.

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 Single-core L.V.; 90°C

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

TABLE B.52.5 (METHOD D2: Buried in tringular formation).
TABLE B.52.12 (METHOD F: Air in flat formation and in contact).
TABLE B.52.12 (METHOD F: 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
Lead free
Yes
Conductor flexibility
Class 5 IEC 60228
Conductor shape
Circular
Insulation
XLPE
Sheath colour
Black
With Green/Yellow core
No

Dimensional characteristics

Dimensional characteristics

Conductor cross-section
25 mm²
Number of cores
1
Conductor diameter
6.6 mm
Minimum insulation thickness
0.9 mm
Minimum outer sheath thickness
0.9 mm
Diameter over Sheath
10.4 mm
Approximate weight
266 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
0.78 Ohm/km
Nominal capacitance
549.0 pF/m
Perm. current rating in air 30°C - flat formation
141 A
Perm. current rating in air 30°C - trefoil formation
135 A
Permissible current rating buried 20°C
107 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
Midspan
Yes
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

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Resources

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