Bird Protection Devices of Marker Type ММ-02
ММ-02 devices are designed for visual indication of wires and ground wires of overhead power lines (OHL). They enhance the visibility of wires for birds during flight, for vehicle drivers at OHL crossings with roads and waterways, and for aircraft pilots. The products comply with the requirements of STO 34.01-2.2-011-2015 of PJSC "Rosseti" and Annex 14 of ICAO, 4th edition, July 2004. Manufactured according to TU 3449-001-52819896-2013. Approved and recommended by the Russian Bird Conservation Union.
Design and Features
The devices are mounted on OHL wires or ground wires in an alternating color scheme of white and red (or combined) spheres, ensuring optimal visibility. Attachment is carried out using a spiral clamp included in the delivery set, which prevents damage to the wire or ground wire at the marker installation point during operation. The spheres consist of interlocking halves for convenient transportation. The devices require no maintenance throughout their service life. Made of dielectric weather-resistant plastic, resistant to ultraviolet radiation, with an operating temperature range from -60 °C to +50 °C.
Modifications
Depending on the color scheme, the following options are available:
- O — orange
- K — red
- Б — white
- С — combined (red-white)
Custom colors can be produced upon customer request.
Technical Specifications
- OHL voltage class: 6–750 kV
- Wire (ground wire) diameter: from 6 to 34 mm
- Wind region: I–VII
- Visible distance: 600 m
- Climatic version: UHL1
- Weight: from 1.71 kg to 1.73 kg depending on the modification