EMELEC
EMELEC | Link Boxes | High Voltage Systems
Thorne & Derrick International | Approved Supplier | UK & Export Sales
Link Boxes are used with cable joints and terminations to provide easy access to shield breaks for test purposes and to limit voltage build-up on the sheath; suitable for 600/1000V (LV), 11kV 33kV (MV) & 66kV 132kV (HV).
Manufactured by EMELEC through experience and a reputable engineering background, their extensive range of electrical Link Boxes are designed for bonding/grounding connections, are made through removable links. Operating in voltages of up to 6kV, 10kV, 15kV & 18kV but may also contain arrestors functioning as Sheath Voltage Limiters (SVLs).
Thorne & Derrick are Approved Suppliers for EMELEC – we can provide excellent customer support, product selection and competitive prices with next-day delivery from extensive stocks of electrical Link Boxes.
Thorne & Derrick distribute an extensive range of Medium & High Voltage Substation, Jointing & Electrical Safety and Testing Equipment for use with underground cables and overhead lines in the following LV MV HV electricity distribution voltages : LV 600V | MV 6.6kV 11kV 33kV | HV 66kV 132kV.Â
Related Products | Link Box Earthing Kits | Insulating Gloves | Insulating Boots | Insulated Stepladders
The PENTA Earthing Kits for use with Link Boxes are suitable for direct grounding and earthing connections, typically used whilst maintenance, electrical diversion or cable testing is undertaken and are developed with National Grid in accordance with the National Grid NSI-5 standards.
Single Phase & Three Phase Earthing Link Boxes 33kV 66kV 132kV | HV
LINK BOXES
MV HV | Medium & High Voltage Power Cables & Systems
The MV HV Link Boxes are paired and installed with cold/heat shrink MV HV Cable Joints & Terminations on medium voltage or high voltage power systems, providing ease of access to shield breaks for test purposes, as well as limiting voltage build-up on the sheath. Technically better known as “Disconnectable Link Box” for its sound design and construction features make for an ideal MV or HV underground power cable system accessory, alongside other essential MV HV accessories, such as Cable Lugs, Cable Connectors & Screened Separable Connectors. Link Boxes are also electrically and mechanically one of the integral accessories of HV underground cable Bonding Systems, associated with HV XLPE power cable systems.
It’s essential to ensure cable sheath integrity is in tact and unaffected by cracks, cuts or snags by carrying out crucial Link Box testing throughout the cable pulling and laying installation.
EMELEC Bonding Design Variants
- Solid Boding/Direct Bonding
- Single Point Bonding
- Cross Bonding
The design classification is dictated by Link Box installation along the power cable route.
EMELEC Types of Link Boxes
- Underground Type Link Boxes installed in a specially constructed concrete pits having manhole covers flush with the ground surface. The cross-bonding connections are made via links, which can be removed. Thus, disconnecting the Individual Cable Sheaths to Permit Voltage of the Sheath Insulation.
- Wall Type Link Boxes mounted on flat walls like in a GIS Housing or on steel gantries carrying outdoor Sealing Ends / Terminations.
- Pedestal Type Link Boxes mounted on concrete pedestals outside in open area, where soil conditions do not permit at hole construction.
EMELEC LINK BOXES SELECTION GUIDE
The following table includes further insight on EMELEC‘s range of MV HVÂ Link Boxes available at Thorne & Derrick, including a technical data sheet download for each product to aid ideal selection:
| Link Boxes Product Reference | Link Box Type | Conductor Cross Section |  Max Operating Voltage | Link Boxes Product Image | Link Boxes Technical Data Sheet Download |
| 05504001/0 | Single Point Bonding | 95-400mm² | 18kV |  |
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| 05604001/0 |  Earthing Bonding with Surge Arrester | 95-400mm² | 18kV |  |
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| 05605001/0 | Earthing Bonding | 95-400mm² | No Sheath Voltage Limiter |  |
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| 05611001/0 |  Earthing Bonding with Surge Arrester | 95-400mm² | 18kV |  |
|
| 05612001/0 | Earthing Bonding | 95-400mm² | No Sheath Voltage Limiter |  |
|
| 05702001/0 | Earthing Bonding | 95-400mm² | No Sheath Voltage Limiter |  |
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| 05703001/0 |  Earthing Bonding with Surge Arrester | 95-400mm² | 18kV |  |
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| 05706001/0 | Cross Bonding | 95-400mm² | 10kV |  |
|
| 05707001/0 | Earthing Bonding | 95-400mm² | No Sheath Voltage Limiter |  |
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| 05810001/0 |  Earthing Bonding with Surge Arrester | 95-400mm² | 10kV |  |
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| 05811001/0 | Earthing Bonding | 95-400mm² | No Sheath Voltage Limiter |  |
|
| 06003001/0 | Earthing Bonding | 95-400mm² | No Sheath Voltage Limiter |  |
|
| 06408001/0 | Cross Bonding | 95-400mm² | 15kV |  |
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| 06409001/0 | Earthing Bonding | 95-400mm² | No Sheath Voltage Limiter |  |
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| 06505001/0 | Single Point Bonding | 95-400mm² | 10kV |  |
|
| 06807001/0 | Earthing Bonding | 240-400mm² | No Sheath Voltage Limiter |  |
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| 06808001/0 |  Earthing Bonding with Surge Arrester | 240-400mm² | 10kV |  |
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| 08801001/0 | Both Ends Single Point Bonding | 95-400mm² | 10kV |  |
|
| 09706001/0 | Cross Bonding | 95-400mm² | 18kV |  |
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| 09707001/0 | Earthing Bonding | 95-400mm² | No Sheath Voltage Limiter |  |
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| 09708001/0 | Single Point Bonding | 95-400mm² | 18kV |  |
|
| 09802001/0 |  Earthing Bonding with Surge Arrester | 95-400mm² | 18kV |  |
|
| 09901001/0 | Earthing Bonding | 95-400mm² | No Sheath Voltage Limiter |  |
|
| 010202001/0 | Both Ends Single Point Bonding | 95-400mm² | 18kV |  |
|
| 010403001/0 | Earthing Bonding | 300-500mm² | No Sheath Voltage Limiter |  |
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| 010404001/0 |  Earthing Bonding with Surge Arrester | 300-500mm² | 18kV |  |
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| 010706001/0 | Earthing Bonding | 300-500mm² | No Sheath Voltage Limiter |  |
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| 010706001/0 | Earthing Bonding | 300-500mm² | No Sheath Voltage Limiter |  |
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| 12003001/0 |  Earthing Bonding with Surge Arrester | 95-400mm² | 10kV |  |
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| 12004001/0 | Earthing Bonding | 95-400mm² | No Sheath Voltage Limiter |  |
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| 12005001/0 | Both Ends Single Point Bonding | 95-400mm² | 10kV |  |
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| 12401001/0 | Cross Bonding | 300-500mm² | 18kV |  |
|
| 12402001/0 | Earthing Bonding | 300-500mm² | No Sheath Voltage Limiter |  |
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| 12403001/0 | Cross Bonding | 95-400mm² | 10kV |  |
|
| 12404001/0 | Earthing Bonding | 95-400mm² | No Sheath Voltage Limiter |  |
|
| 12405001/0 | Earthing Bonding | 95-400mm² | No Sheath Voltage Limiter |  |
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| 12406001/0 | Earthing Bonding with Surge Arrester | 95-400mm² | 10kV |  |
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| 12407001/0 | Earthing Bonding with Surge Arrester | 95-400mm² | 10kV |  |
|
| 12408001/0 | Earthing Bonding | 95-400mm² | No Sheath Voltage Limiter |  |
|
| 12501001/0 | Earthing Bonding with Surge Arrester | 300-500mm² | 18kV |  |
N/A |
| 15006001/0 | Earthing Bonding | 300-500mm² | No Sheath Voltage Limiter |  |
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| 15007001/0 | Earthing Bonding with Surge Arrester | 300-500mm² | 10kV |  |
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| 15201001/0 | Single Point Bonding | 300-500mm² | 10kV |  |
|
| 15202001/0 | Cross Bonding | 300-500mm² | 10kV |  |
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| 22501001/0 | Earthing Bonding | 95-400mm² | No Sheath Voltage Limiter |  |
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| 22502001/0 | Single Point Bonding | 95-400mm² | 10kV |  |
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| 23201001/0 | Cross Bonding | 50mm² | 6kV |  |
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| 23202001/0 | Earthing Bonding | 50mm² | No Sheath Voltage Limiter |  |
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| 23203001/0 | Single Earth Bonding | 50mm² | 6kV |  |
|
| 23204001/0 | Both Ends Single Point Bonding | 50mm² | 6kV |  |
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| 23205001/0 | Earthing Bonding | 50mm² | No Sheath Voltage Limiter |  |
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| 23206001/0 | Earthing Bonding with Surge Arrester | 50mm² | 6kV |  |
|
| 05602001/0 | Earthing Bonding | 95-400mm² | No Sheath Voltage Limiter |  |
N/A |
| 05603001/0 | Earthing Bonding with Surge Arrester | 95-400mm² | 18kV |  |
N/A |
| 05606001/0 | Cross Bonding | 95-400mm² | 10kV |  |
|
| 05701001/0 | Earthing Bonding | 95-400mm² | No Sheath Voltage Limiter |  |
|
| 15203001/0 | Earthing Bonding with Surge Arrester | 300-500mm² | 10kV |  |
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| 15204001/0 | Earthing Bonding | 300-500mm² | No Sheath Voltage Limiter |  |
|
| 15206001/0 | Earthing Bonding | 300-500mm² | No Sheath Voltage Limiter |  |
|
| 15703001/0 | Both Ends Single Point Bonding | 300-500mm² | 10kV |  |
|
| 16639001/0 | Earthing Bonding | 300-500mm² | No Sheath Voltage Limiter |  |
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| 17001001/0 | Single Point Bonding | 300-500mm² | 10kV |  |
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| 17107001/0 | Earthing Bonding with Surge Arrester | 300-500mm² | 18kV |  |
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| 19001001/0 | Cross Bonding | 300-500mm² | 18kV |  |
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| 20703001/0 | Both Ends Single Point Bonding | 300-500mm² | 18kV |  |
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| 21001001/0 | Both Ends Single Point Bonding | 300-500mm² | 18kV |  |
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| 22510001/0 | Earthing Bonding with Surge Arrester | 95-400mm² | 18kV |  |
|
| 22511001/0 | Earthing Bonding | 95-400mm² | No Sheath Voltage Limiter |  |
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| 22803001/0 | Earthing Bonding with Surge Arrester | 95-400mm² | 10kV |  |
|
| 22804001/0 | Earthing Bonding with Surge Arrester | 300-500mm² | 10kV |  |
|
| 23113001/0 |
Cross Bonding | 95-400mm² | 18kV |  |
|
High Voltage Cable Systems & Accessories
Thorne & Derrick distribute the most extensive range of MV HV Medium & High Voltage Cable Joints, Terminations & Connectors from manufacturers including 3M, Prysmian, Nexans Euromold, Elastimold, Pfisterer CONNEX & SEANEX and Shrink Polymer Systems.
Heat shrink, cold shrink, push-on and slip-over cable accessories enable the jointing, terminating and connection of 11kV-33kV and 66kV-132kV cables to oil, air or gas insulated switchgear, transformers, motors and overhead lines distributing electricity at medium/high voltages.
EMELEC
Trusted Engineering & Contracting Company | Actively Engaged in MV HV Link Boxes Production
Dedicating their expertise and professionalism to the production of medium voltage and high voltage Link Boxes of all types, as well as Cable Cleats, Copper Metal Joint Housing & Coffin Boxes, Sheath Voltage Limiters, Intelligent Link Boxes, Partial Discharge Measurement Systems and varied Medium Voltage Accessories. EMELEC proudly hold a highly experienced team of field management staff and technicians with international certifications in the industry.
