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Avifauna protection
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Avifauna protection

MIDSUN® silicone insulating materials : in this section you will find several ranges of products allowing the protection of electrical installations against the presence of land animals and birds.

MIDSUN® is the world leader in 4th generation industrial silicone applications for electrical substations. MIDSUN® silicone is resistant to UV radiation, temperature variations, high insulating capacity, corrosive environments and aluminium hydroxide pitting caused by arcing. MIDSUN®'s animal mitigation expertise is available in 4 product ranges:

E/TAPE - E/FOURREAU - E/PLAQUE - E/COVER : a complete range of rolls, sheaths, plates and covers made of semi-rigid silicone that allows you to protect your electrical bushings from animal or plant intrusion with a very simple use and installation. Without glue, this solution has a very good longevity thanks to the properties of MIDSUN® silicone. All energized parts of a substation can be equipped: busbars, bushings, HV cable heads, stripped cables, insulators, surge arresters...

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  • E/TAPE

    E/TAPE

    The MIDSUN® E/TAPE range consists of many references of insulating tape that is highly resistant to arcing and provides electrical insulation from phase to ground. Made of self-fusing inorganic silicone rubber, each tape is wound on a film that is easy to separate and tear. They do not require glue or heating and can be used on any type of connector, busbar or cable up to :

    • Thickness 0.76 mm : from 15 kV to 30 kV (1 layer 15 kV, 2 layers 30 kV)
    • Thickness 2.03 mm : from 35 kV to 50 kV (1 layer 35 kV, 2 layers 50 kV)
  • E/FOURREAU

    E/FOURREAU

    The MIDSUN® E/FOURREAU range consist of silicone insulating sheaths up to 35kV of different diameters to be slipped onto overhead distribution lines, cables and substation busbars.

  • E/PLAQUE

    E/PLAQUE

    The MIDSUN® E/PLAQUE range is made of high temperature vulcanized silicone sheets with a polyester fabric reinforcement. Delivered in rolls, they are ready to be cut to size on site to manufacture personalized covers when the geometry of the parts to be protected does not allow the use of standard covers.

  • E/COVER

    E/COVER

    The MIDSUN® E/COVER range is made up of a large number of high-temperature vulcanized silicone cover references to adapt to all types of bushings and bushings.

  • E/BARRIER

    E/BARRIER

    The E/BARRIER range from Midsun® is made up of a number of one-piece disc-shaped polycarbonate barriers. They prevent squirrels, birds and other wildlife from coming into contact with high-voltage installations.

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E/BARRIER Thermoplastic disc for bird protection E/BARRIER Thermoplastic disc for bird protection

E/BARRIER Thermoplastic disc for bird protection

€192.00 (tax excl.)
The E/BARRIER range from Midsun® is made up of a number of one-piece disc-shaped polycarbonate barriers. They prevent squirrels, birds and other wildlife from coming into contact with high-voltage installations.
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Why Protect Electrical Substations and Power Lines from Birds?

Transformer substations, substations, and overhead power lines contain numerous accessible conductive components. A bird landing, a bird of prey spreading its wings, or a squirrel moving through the installation can create a bridge between two phases, or between a phase and ground. The consequences are both environmental and economic.

Preventing Bird Electrocution and Preserving Biodiversity

Electrocution on electrical infrastructure is a recognized cause of bird mortality, particularly among birds of prey and large bird species. Insulating equipment helps reduce this risk and supports biodiversity protection commitments that are increasingly required from power network operators.

Avoiding Short Circuits, Failures, and Operational Outages

Animal contact with energized equipment can trigger a short circuit, trip the substation, and interrupt power distribution. For industrial facilities or sensitive processes, an unplanned outage can lead to significant financial losses. Avian protection therefore also acts as a safeguard for electrical installations against animal-related failures.

MIDSUN® Silicone Avian Protection Solutions

MIDSUN® is a global specialist in silicone applications for electrical substations. Its avian protection range covers all insulation needs for exposed live parts, without adhesives or heat application, ensuring simple and long-lasting installation.

E/TAPE – Self-Fusing Insulating Tape

A self-fusing silicone rubber tape with excellent arc resistance, designed to wrap around connectors, cables, or busbars. Multiple thickness options allow insulation levels from 15 kV up to 50 kV depending on the number of layers applied.

E/SLEEVE – Insulating Sleeve for Cables and Busbars

A silicone insulating sleeve designed for overhead distribution lines, cables, and substation busbars, providing insulation up to 35 kV. Ideal for protecting long conductor sections.

E/PLATE – Custom Insulating Cover

Sheets of vulcanized silicone reinforced with polyester fabric, supplied in rolls and cut on-site to manufacture custom insulating covers when component geometry is not suitable for standard covers.

E/COVER – Cover for Bushings and Transformer Bushings

Vulcanized silicone covers designed for all types of bushings and transformer bushings. They cover energized parts and prevent outages caused by birds, while certain models remain compatible with thermographic inspections.

E/BARRIER – Intrusion Barrier for Insulators

A one-piece polycarbonate disc-shaped barrier that prevents squirrels, birds, and other species from reaching energized parts. It is installed directly on insulators and circuit breakers using a hot stick, without interrupting service.

Which Electrical Equipment Can Be Protected?

MIDSUN® avian protection solutions are designed to protect all sensitive points within substations and power lines: busbars, MV cable terminations, bare conductors, insulators, surge arresters, as well as transformer bushings and feedthroughs. This versatility makes it possible to secure distribution substations, industrial transformer stations, and overhead line feeders alike.

Why Choose MIDSUN® Silicone?

MIDSUN® silicone is engineered for the most demanding outdoor environments: it provides long-term resistance to UV exposure, extreme temperature variations, and corrosive atmospheres while maintaining excellent insulating performance. Its installation without adhesives or heat allows for fast deployment, easy removal, and reusability. Several product references have been validated through testing compliant with international standards (UV resistance, thermal endurance, and partial discharge resistance). It is a reliable long-term avian protection solution designed specifically for field conditions.

Get Expert Advice for Your Avian Protection Project

Every substation has its own configuration. Discover the full product range above — E/TAPE, E/SLEEVE, E/PLATE, E/COVER, E/BARRIER — along with the installation accessories, and rely on our experts to identify the protection solutions best suited to your equipment and operating constraints. Log in to view pricing and availability, or contact us for tailored support.</p

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