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NF C33-226 18/30KV 1x630 AL PE
NF C33-226 18/30KV 1x630 AL PE
18/30 kV cables in copper or aluminium
Read more- Nexans ref. : 57270630500
Description
Description
Standards
-
NationalNF C33-226
Usage
NFC 33-226 cables are for public power distribution network 18/30 (36) kV.
Design
The cable is made of 1 or 3 cores, without mechanic protection
Characteristics
Characteristics
Construction characteristics
Construction characteristics
Conductor material
Aluminum
Conductor flexibility
Stranded class 2
Conductor shape
Circular
Insulation
XLPE (chemical)
Material of the external semi-conductor
Extruded strippable grooved elastomer
Material of the inner semi-conductor
XLPE-SC
Material used for longitudinal water tightness
Swelling powder
Outer sheath
PE
Screen
Longitudinal aluminium tape
Sheath colour
Black
Dimensional characteristics
Dimensional characteristics
Conductor cross-section
630 mm²
Number of cores
1
Approximate weight
3213 kg/km
Conductor diameter
30.3 mm
Diameter over insulation
53.7 mm
Maximum outer diameter
53.7 mm
Electrical characteristics
Electrical characteristics
Rated Voltage Uo/U (Um)
18 / 30 (36) kV
A.C. Conductor resist. at 90 °C - trefoil formation
0.062 Ohm/km
Conductor AC resistance at 50 Hz
0.11 Ohm/km
Max. DC resistance of the conductor at 20°C
0.047 Ohm/km
Nominal inductance
0.08 mH/km
Nominal phase capacitance
0.33 µF / km
Perm. current rating buried 20°C - trefoil formation
644 A
Perm. current rating in air 30°C - trefoil formation
770 A
Voltage Drop
0.22 V/A.km
Mechanical characteristics
Mechanical characteristics
Mechanical resistance to impacts
Good
Cable flexibility
Rigid
Usage characteristics
Usage characteristics
Flame retardant
C2, NF C 32-070
Weather resistance
Good
Chemical resistance
Accidental
Water proof
Intermittent
Bending factor when laying
15 (xD)
Length
1000 m
Max. conductor temperature in service
90 °C
Short-circuit max. conductor temperature
250 °C
Resources
Resources
Documentation
Catalogue MT
pdf — 3.2 MB
Selling & delivery Information
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