The AEM Underground power transmission cable sheath earthing link box family delivers a safe, reliable solution for minimising or eliminating circulating cable sheath earth currents in HV and EHV cable systems. The AEM sheath earthing system consists of cross bonding, single point earth and direct (3 phase) earthing enclosures. Correctly designed and sheath earth bonded power transmission cables can reduce circulating sheath current energy losses by more than 40%. Fully environmentally sealed, explosion proof, robust and easy to install, the AEM link box family is a first choice for cable designers, installers and owners.

System Operating Voltage: Up to 330kV system voltage (Cable size dependent)
Cable Cross Section: 70mm² to 300mm²

UKEA C55/4 compliant:

 Options:

Cross Bonding

Direct Earth, 3 Phase

Direct Earth,1 Phase

   Available for concentric or single core cables (one, three or six cables)
Earthing can be direct or via SVL (Surge Voltage Limiter) 

Safety is a primary consideration.

• Robust, compact design permits easier, safer installation
• Light design allows single person installation, minimising manual handling and OH&S issues
• Lid can be field hinged on any side, or removed completely, for safer, easier installation
• Internal explosion resistant to 250kPA
• Submersible 100kPA 15 minutes

Reliability is designed and built in to every AEM product

• All enclosures are IP67, internal explosion resistant plus external gas and liquid ingress resistant.
• All 316 Stainless Steel construction for long term corrosion resistance.
• Enclosure lid secured and sealed with multi-point captive, self aligning and centering fastener system
• Lid clamps onto a captive, single piece wide silicone rubber seal for easy and reliable sealing in the typically dirty conditions ecountered in cable pits.

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