The MM-01 device is designed for visual indication of wires and cables of overhead power lines (OHL), making them more noticeable to birds during flight. Additionally, it enhances the visibility of wires for vehicles when OHL intersects with roads and waterways. The device complies with the requirements of STO 34.01-2.2-011-2015 by PAO Rosseti and is manufactured according to TU 3449-001-52819896-2013. It is approved by the Russian Bird Conservation Union.

Description
The device is available in the following color modifications:

• O — orange
• K — red
• Б — white
• С — combined (red-white)

Other color options are available upon customer request. The device is equipped with an LED light emitting low-intensity red spectrum light. It is typically mounted on the highest wire or cable of the OHL, alternating white and red (or combined) spheres to ensure optimal visibility. A special spiral protector, which ensures the protection and integrity of the wire or cable at the installation point, can be included in the supply package upon agreement with the customer.

Design Advantages
The LED light is powered directly from the high-voltage wire of the OHL on which the marker is installed, making the system fully autonomous and eliminating the need for additional external electrical connections. The climatic version corresponds to UHL1. The clamp fasteners are made of corrosion-resistant material. Drain holes prevent condensation buildup inside the spheres. The marker spheres are transported disassembled. The device does not generate corona discharges or radio interference and requires no maintenance throughout its service life.

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