OBO Bettermann 20490 / 20491 Polyamide Nut

20490 / 20491 - Lock nut to DIN 46319, with metric thread to IEC 423.‎ OBO BlackLine: The system solution for black surface-mounted installations The color black has been a trend color in architecture for several years now.‎ Whether in residential or commercial buildings - there is a strong demand in all areas.‎ At the same time, surface-mounted installations are experiencing a revival as part of the industrial style trend.‎ With the BlackLine, OBO is now presenting a portfolio that does justice to both trends: System solutions for black surface-mounted installations.‎ However, the OBO BlackLine not only offers a wide range of options for defining a memorable and modern style, but also impresses in terms of sustainability and environmental compatibility.‎ This is because all components of the BlackLine facilitate dismantling, enable separation by type and efficient recycling.‎ They therefore comply with the concept of circular construction.‎  Surface-mounted electrical installations are versatile and adaptable and, unlike classic flush-mounted installations, do not require any masonry work.‎ This reduces effort and time as well as costs.‎ Even in old buildings or in load-bearing masonry, where flush-mounted installation is not possible, they offer a suitable and aesthetic alternative that can be safely implemented in compliance with all regulations.‎ Once installed, maintenance, subsequent installations and additions can be carried out simply and easily.‎ The OBO portfolio comprises, amongst other things: device installation trunkings, cable trunkings, underfloor solutions and cable trays.‎ With the black OBO products, sophisticated electrical installations can be realized in modern architectural projects.‎