33kV Cable XLPE Single Core 630sqmm BS7870 Nexans

Nexans

Nexans

bs7870 Cable 33KV single CORE 630MM²

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 630sqmm BS7870 cables.

Cables with Copper Conductors Cables with Aluminium Conductors
Nominal cross-sectional area sqmm 630 630
Approximate diameter over conductor mm 30.3 32
Approximate diameter over insulation mm 48.3 48
Approximate overall diameter mm 58 57.6
Approximate weight of cable kg/m 7740 3770
Minimum bending radius (static) mm 580 580
Maximum pulling tension on cable kg 3150 1890
Maximum DC resistance (R) @ 20°C W/km 0.0283 0.0469
Maximum AC resistance  (R) @ 90°C W/km 0.042 0.064
Inductance (L) @ 50Hz @ 90°C mH/km 0.31 0.31
Approximate Capacitance  (C) µF/km 0.32 0.32
Short circuit ratings
1 Second Short Circuit Rating of Conductor (90 to 250°C) kA 90.7 60.2
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 850 690
Single way ducts A 780 650
In Air A 1160 940

 

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