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NF C33-226 18/30KV 1x400 AL PE
NF C33-226 18/30KV 1x400 AL PE
18/30 kV cables in copper or aluminium
Read more- Nexans ref. : 57270400500
Description
Description
Standards
-
ProductNF 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
400 mm²
Number of cores
1
Approximate weight
2147 kg/km
Conductor diameter
23.2 mm
Diameter over insulation
44.4 mm
Maximum outer diameter
44.4 mm
Electrical characteristics
Electrical characteristics
Rated Voltage Uo/U (Um)
18 / 30 (36) kV
A.C. Conductor resist. at 90 °C - trefoil formation
0.103 Ohm/km
Conductor AC resistance at 50 Hz
0.09 Ohm/km
Max. DC resistance of the conductor at 20°C
0.078 Ohm/km
Nominal inductance
0.09 mH/km
Nominal phase capacitance
0.27 µF / km
Perm. current rating buried 20°C - trefoil formation
489 A
Perm. current rating in air 30°C - trefoil formation
607 A
Voltage Drop
0.26 V/A.km
Mechanical characteristics
Mechanical characteristics
Mechanical resistance to impacts
Good
Cable flexibility
Rigid
Usage characteristics
Usage characteristics
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
Fire safety characteristics
Fire safety characteristics
Flame retardant
C2, NF C 32-070
Resources
Resources
Documentation
Catalogue MT
pdf — 3.2 MB
Selling & delivery Information
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