11kV Cable Terminations – Single Core Indoor

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11kV Cable Terminations - Single Core Indoor

11kV Cable Terminations – Single Core Indoor

Cold Shrink Single Core Indoor Cable Terminations

3M 92-EB Terminations for 6.6/11(12) kV Cables

Thorne & Derrick are Specialist Distributors for the 3M Electrical range of Cold Shrink terminations for connection of medium/high voltage cables to 11kV substation electrical equipment including switchgear, transformers, air insulated cable box and junction/terminal boxes.

3M Cold Shrink Terminations to suit 11kV single core MV-HV cables with polymeric insulation (XLPE EPR) in indoor locations.

  • Versatile design – Prefabricated one-piece cold shrink termination body allows installation on a wide range of cable sizes and types at -20ºC to +50ºC
  • No heat or flame required during installation. Safe for hazardous areas (ATEX Directive Zone 1 & Zone 2)
  • Solderless earth connection using 3M Constant Force springs for copper tape screen cables
  • No special jointing tools or heat-shrink gas torches needed during installation

Cold Shrink Terminations

3M Cold Shrink Terminations

Cold Shrink Terminations

3M QTII v QTIII Termination Comparison

QTII Technical Specification

6.6/11(12) kV Cable termination

3M QTII 11kV single core indoor terminations are specified for up to 11kV/12kV voltages and single core polymeric power cable systems according to HD 620 (IEC 60502).

Kits include a 3M QTII silicone cable termination body with integrated stress control device and silicone elastomeric insulation.

Additionally, 3M silicone tape is included for moisture sealing along with armour continuity components for terminating single core aluminium wire armoured (AWA) medium voltage cables with copper tape or copper wire screens.

3M QTII 11kV single core indoor terminations are quick, easy and safe to install and do not require special tools – by pulling and unwinding the plastic support core in a counter clockwise direction the 3M termination body can be installed.

3M 11kV cable terminations are easily identifiable and are marked with the supplier name, cable cross section ranges, voltage class and cable type. These cold shrink terminations have a shelf life of up to 3 years from the manufacturing date when stored between -40ºC and +50ºC.

Each 3M Cold Shrink cable termination is suitable for a range of conductor cross-sectional areas depending on the cable maximum voltage – 3M 92-EB terminations are suitable for 11kV cables and power systems.

3M 11kV Cable Termination Part Number 11kV Cable Type Application Range Guide (sqmm) Diameter Over Primary Insulation (mm) Maximum Lug Diameter Accepted (mm)
3M 92-EB621-1-P Copper Tape Screen / Armour 50-150sqmm 15.9-30.0mm 30mm
3M 92-EB631-1-P Copper Tape Screen / Armour 185-400sqmm 22.6-41.4mm 41mm
3M 92-EB641-1-P Copper Tape Screen / Armour 300-630sqmm 27.3-49mm 49mm
3M 92-EB651-1-P Copper Tape Screen / Armour 500-1000sqmm 31.5-51.5mm 51mm
3M 92-EB60-1 Copper Wire Screen 16-25sqmm 11.2-16.5mm 16mm
3M 92-EB61-1 Copper Wire Screen 35sqmm 14.2-22.1mm 22mm
3M 92-EB62-1 Copper Wire Screen 50-150sqmm 15.9-30.0mm 30mm
3M 92-EB63-1 Copper Wire Screen 185-500sqmm 22.6-41.4mm 41mm
3M 92-EB64-1 Copper Wire Screen 300-630sqmm 27.3-49.3mm 50mm
3M 92-EB65-1 Copper Wire Screen 500-1000sqmm 31.5-61.5mm 61mm


3M Cold Shrink QTII v QTIII Terminations

3M QTII Cold Shrink terminations are Standard type part-integrated with additional installation steps required compared to the 3M QTIII fully-integrated Premium termination system – watch the following installation video produced by 3M to understand the procedures for using QTII terminations for MV HV cables including 11kV.

3M’s QTII range (Quick Term II) of cold shrink terminations are partially integrated offering a viable cost-based alternative to heat shrink terminations.

The 3M QTII termination comes with an integrated stress control tube and an outer insulator with good track resistance but requires moisture blocking mastic, silicone grease-stress relief and stress control mastic to be applied separately by the jointer.

3M Cold Shrink Cable Terminations 11kV

11kV Cable Terminations - Single Core Indoor 11kV Cable Terminations - Single Core Indoor 11kV Cable Terminations - Single Core Indoor 11kV Cable Terminations - Single Core Indoor
1. Prepare the MV-HV cable as normal using cable cleaning wipes 2. Place the 3M Cold Shrink termination body over the 11kV cable end and position at the correct point on the MV-HV cable 3. Begin to remove the inner core, allowing the termination to cold shrink down onto the 11kV cable 4. Once the inner core has been fully removed, the 11kV cable termination installation is complete

Product Identification

3M QTII Series Cold Shrink Termination kits are marked with supplier name, cable cross section ranges (sqmm), voltage class and cable type, storage conditions and 3M manufacturing codes for product traceability.

Termination Performance Tests

3M QTII 92-EB Series Cable Terminations, manufactured using Cold Shrink technology, meet and exceed the requirements of the European standard CENELEC HD 629.1 as well as IEC 60502-4.

Cold Shrink Storage

The shelf life of 3M 92-EB Series of cold shrink terminations is specified as 3 years. Temperature: – 40°C to +50°C.

3M Cold Shrink Cable Termination ACCESSORIES

Together with a wide range of cable terminations 3M can also offer a full range of fully tested termination accessories:

Barrier Boots Cable Glands Cable Lugs Shearbolt  Cable Lugs Crimp
Barrier Boots 3M Cable Gland Kits Pfisterer Sicon 332 604 010 Shearbolt Cable Lugs 10-95sqmm Cables 11kV-33kV Cembre Cable Lugs
3M Barrier Bushing Boots are suitable for both resin cast and porcelain bushings over a wide range of cable sizes 3M Cable Gland Kits use Cold Shrink as the sealing method for 11kV SWA cables – further reducing installation cost and H&S related administration Mechanical type shearbolt cable lugs for copper/aluminium conductor cables at 11kV – see Pfisterer Sicon range Crimp lugs manufactured by Cembre for 11kV/33kV


➡ See below for full range of 11kV Cable Terminations – Single Core Cable Terminations.

➡ Go to Cold Shrink Terminations to view MV-HV cable terminations for 6.6kV, 11kV, 33kV and 66/132kV cables. Also – cable accessories including high-fault current rated cable glandscable cleats and cable jointing tools for jointing and terminating of MV/HV power cables.

MV HV Cable Termination Glands Cleats Connectors Tools

Cable Box Terminations & Connectors – Inner Cone & Outer Cone

Cold shrink is typically used for the dry termination of medium/high voltage 11kV-33kV cables into MV-HV air insulated cable boxes.

T&D also distribute MV-HV Connectors for terminating cable into metal-enclosed SF6 insulated medium voltage switchgears (GIS) and liquid immersed transformers.

MV HV Joints Terminations Connectors