33kV Cable XLPE Single Core 500sqmm BS7870 Nexans

Nexans

Nexans

bs7870 Cable 33KV single CORE 500MM²

Nexans BS7870 Cable Description: 19/33kV single core unarmoured XLPE insulated MV cables. Rated voltage 19/33kV.

International Standards:  IEC 60502-2

National Standards:  BS 7870-4.10

Description: Exact data will vary based upon the options required. The cable manufactured by Nexans is suitable for rated voltage 19/33KV according to IEC 60502-2.

➡ See also 11kV Cables 3 Core | 11kV Cables Single Core | 33kV Cables

Cable Cleats

Thorne & Derrick | Ellis Patents UK Distributors

TECHNICAL SPECIFICATION

Values for minimum bending radius are multiplied by two for cables being laid (dynamic)

Ampacity Values based on:

  • Depth of cover = 800mm
  • Thermal resistivity of soil = 1.2K.m/W
  • Soil  temperature = 15°C
  • Ambient Air temperature = 25°C
  • Maximum conductor temperature = 90°C

Cable specification for 33kV Single Core 500sqmm BS7870 cables.

Cables with Copper Conductors Cables with Aluminium Conductors
Nominal cross-sectional area sqmm 500 500
Approximate diameter over conductor mm 26.2 26.4
Approximate diameter over insulation mm 44.2 44.4
Approximate overall diameter mm 53.4 53.7
Approximate weight of cable kg/m 6250 3200
Minimum bending radius (static) mm 540 540
Maximum pulling tension on cable kg 2500 1500
Maximum DC resistance (R) @ 20°C W/km 0.0366 0.0605
Maximum AC resistance  (R) @ 90°C W/km 0.051 0.081
Inductance (L) @ 50Hz @ 90°C mH/km 0.32 0.32
Approximate Capacitance  (C) µF/km 0.29 0.29
Short circuit ratings
1 Second Short Circuit Rating of Conductor (90 to 250°C) kA 72.1 47.8
1 Second Short Circuit Rating of a 35sqmm Copper wire screen (80 to 250°C) kA 4.8 4.8
1 Second Short Circuit Rating  of a 50sqmm Copper wire screen (80 to 250°C) kA 8.2 8.2
Current Carrying Capacity (cables laid in trefoil)
Direct Buried A 760 610
Single way ducts A 700 570
In Air A 1020 820

 

âž¡ See HV Cable Joints, Terminations & Connectors to enable the installation of 33kV XLPE Single Core BS7870 Nexans Cable – for terminatingHeat Shrink Cable Terminations medium voltage cables into MV-HV gas insulated switchgear, transformers and electrical equipment with outer cone type bushings please see Nexans Euromold connectors  slip-on, heat shrink terminations and cold shrink cable joints from 11kV-33kV (42kV) also available for MV-HV cables.

Nexans Euromold Connectors

Nexans Euromold screened separable connectors, elbows and Tee-connectors terminate high voltage cables with polymeric insulation (XLPE & EPR) onto switchgear and transformer bushings.

11kV 33kV

MV HV Cable Protection & Pulling | 11kV Tapetile | 33kV Stokbord | Cable Socks | Cable Rollers

 

Data Sheets