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E/COVERBIRD MIDSUN silicone cover for thermography and bird protection on insulator

E/COVERBIRD is an insulating cover for bushings on electrical transformers for animal mitigation. Vulcanised at high temperature, it is specially designed to allow thermographic measurements on conductors while protecting birds and rodents from possible electrocution. It also prevents accidents and power cuts in your plant or substation. It can be unmounted easily and uses no palctic, no glue, no heat shrink

Available in two sizes, depending on the dimensions of the insulator to be protected.

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In stock
Size chart
Women's clothing size
Euro 32/34 36 38 40
USA 0/2 4 6 8
Bust(in) 31-32 33 34 36
Bust(cm) 80.5-82.5 84.5 87 92
Waist(in) 24-25 26 27 29
Waist(cm) 62.5-64.5 66.5 69 74
Hips(in) 34-35 36 37 39
Hips(cm) 87.5-89.5 91.5 94 99
How To Measure Your Bust

With your arms relaxed at your sides, measure around the fullest part of your chest.

How To Measure Your Waist

Measure around the narrowest part of your natural waist, generally around the belly button. To ensure a comfortable fit, keep one finger between the measuring tape and your body.

Dimensions (mm)
  • AVI-Cage-M
  • AVI-Cage-L
References AVI-Cage-M AVI-Cage-L
 Total height (mm) 300 450
 Inlet diameter Ø (mm) 170 250
 Outlet diameter Ø (mm) 100 110
 Insulation phase-ground (kV) Until 35 Until 35

E/COVERBIRD are supplied with fasteners (5 to 7 fasteners depending on the size of the cover) to fix the cover.

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Product Details
Characteristics and instructions E/COVER

Characteristics of the E/COVER for bird protection range :

MIDSUN® E/COVER provides a layer of electrical insulation to protect birds in substation areas and distribution equipment up to 35 kV. All covers are kept closed with removable silicone clips. This closing system allows great installation flexibility because they can be mounted and dismounted without breaking the protective cover, to be able to access the isolator.

The E/COVER cover is designed for easy application, assembly and disassembly without destroying and leaving no residue, without the need to disconnect electrical connections. The E/COVER are flexible and adjustable, allowing easy installation and de-application.

Installation instructions for E/COVER bird protection covers :

           1. Place the cover on the device

           2. Close the cover by inserting the fixing clips into the holes in the cover and pull until it is fully clipped

           3. Cover the insulator so that there is no potential contact between the phases and earth.

The natural hydrophibicity of silicone and its superior UV and chemical resistance properties maintain the expected lifespan beyond 30 years.


MIDSUN® Group is a North American manufacturer of RTV insulation, anti-corrosion silicone coatings and wildlife purlin covers. It is considered a dominant player in this niche market throughout the United States of America.

Founded in 1992, MIDSUN® has grown steadily with the sole objective of becoming the best supplier of products and services to the electric utility and telecommunications industries. In the relatively narrow niche of insulation and bird protection, MIDSUN® excels in terms of products, service, price, performance and delivery. Through its international network of distributors, MIDSUN® provides companies around the world with services and products that increase reliability and save companies millions of Euros in repairs.

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