6.6kV MV Cables BS6622/BS7835 – 3 Core XLPE SWA Stranded Copper

11kV 33kV MV HV Cables Joints Terminations

Medium & High Voltage Cables (MV-HV)

6.6kV Cables | 3 core Medium Voltage

Thorne & Derrick distribute MV HV Cables for medium and high voltage electrical systems, typically distributing 6.6kV-11kV-33kV power – we provide competitive prices for MV & HV Cables and cable accessories including joints, terminations and connectors from extensive stocks to UK and international destinations. Complete range of Cold Shrink cable accessories from stock are available for the jointing and terminating of 6.6kV cables into electrical equipment including switchgear, transformers and overhead lines.

Single core and 3 core power cables with XLPE insulation, copper tape screens and wire armour (AWA Single | SWA 3 Core) are available with stranded copper or aluminium conductors for 6.6kV, 11kV, 15kV, 22kV and 33kV voltage classifications – manufactured in accordance with BS6622 (PVC Sheath) or BS7835 (Low Smoke Zero Halogen Sheath).

Should you require customer service or technical support to enable the selection of the correct medium voltage cable please contact us.

6.6kV Cables

MV Cable Specification

Cable Conductor – Compact circular stranded copper conductor complying with BS EN 60228 Class 2.

Conductor Screen – Extruded semi-conducting compound bonded to the insulation and applied in the same operation as the insulation.

XLPE Insulation – Extruded cross-linked polyethylene (XLPE) suitable for operation at a conductor temperature of 90°C.

Insulation Screen – Extruded semi-conducting compound applied in the same operation as the insulation. Cold strippable screens are supplied as standard but fully bonded screens may be provided if specified.

Metallic Copper Screen – Copper tape screens applied overlapped to provide an earth fault current path.

Cable Laying Up – Three cores laid up with polypropylene string fillers to form a compact circular cable.

Cable Armouring – Single layer of galvanised circular steel wires.

Cable Oversheath – Extruded black polyvinyl chloride (PVC) or Low Smoke Zero Halogen (LSOH) compound is supplied as standard. Alternative materials may be provided if specified e.g. medium density polyethylene (MDPE).

6.6kV MV Cables BS6622/BS7835

Constructional Data

Cross sectional area
Minimum average
thickness of
Nominal thickness
of PVC/LSOH bedding
Nominal number
and diameter of
armoured wires
Nominal thickness
oversheath mm
Approx. overall
diameter of
70 2.5 1.4 2.5 2.6 50.0
95 2.5 1.4 2.5 2.7 54.0
120 2.5 1.5 2.5 2.8 57.5
150 2.5 1.5 2.5 2.9 61.0
185 2.5 1.6 2.5 3.0 65.0
240 2.6 1.7 2.5 3.2 70.5
300 2.8 1.8 3.15 3.5 78.5
400 3.0 2.0 3.15 3.8 87.0
Ellis Cleats | Cembre Lugs | 3M Scotchcast Joints | Prysmian Glands – Low Voltage Cable Accessories

Ellis Cleats | Cembre Lugs | 3M Scotchcast Joints | Prysmian Glands – Low Voltage Cable Accessories

6.6kV MV Cables BS6622/BS7835

Ratings Data

Cross sectional area sqmm Current Ratings Short Circuit Ratings
Laid in
Drawn into twin
wall ducts
Laid in
One second short
circuit rating
of conductor
One second short
circuit rating of armour
70 250 205 275 10.0 9.9
95 300 245 335 13.6 10.8
120 340 280 385 17.2 11.4
150 385 315 440 21.5 12.3
185 430 355 500 26.5 13.1
240 500 410 585 34.3 14.2
300 560 460 670 42.9 19.0
400 630 520 775 57.2 21.4

MV Medium Voltage Power Cables 6.6kV 11kV 33kV


♦ See Cable Jointing Tools for 6.6kV cables.

➡ View the complete Prysmian range of MV-HV Cables (6.6kV 11kV 33kV).

Prysmian Cables - Joints Terminations Glands Cleats

6.6kV MV Cables BS6622/BS7835

MV HV Cables, Joints, Terminations & Connectors

6.6kV 3 core cables are available in the following cable conductor cross section areas: 70sqmm, 95sqmm, 120sqmm, 150sqmm, 185sqmm, 240sqmm, 300sqmm, 400sqmm

➡ For medium voltage electrical data about 6.6kV 3 core cables including bending radius, cable diameters, cable drum lengths, weight, insulation type and cable sheath thicknesses please refer to the download opposite.

Should you require 6.6kV cable accessories please visit MV-HV Joints, Terminations & Connectors  we distribute Pfisterer, Nexans Euromold, Elastimold, SPS and 3M cold shrink and heat shrink cable accessories for jointing, terminating and connecting MV-HV cables into switchgears (GIS AIS), transformers and high voltage substations.

11kV 33kV Joints Terminations Connectors - 3M Pfisterer Nexans Elastimold

11kV-33kV Cable Joints, Terminations & Connectors – 3M Pfisterer Nexans Elastimold

Data Sheets