EuroWire January 2016

News Technology

Brush frames for simplified cable routing applications

The icotek range of cable entry products available from M Buttkereit Ltd has been extended with the KEL-BES range. These products feature polyamide frames incorporating entrapped polyamide brushes, providing a quick and simple push-through entry for routing cables into network cabinets and control boxes. The KEL-BES products are also suited to exit/entry apertures in the raised floors utilised within computer centres. Three frame sizes are currently available, all providing exact matches for the cut-out dimensions applicable to 10-, 16- and 24-pole standard industrial connectors. All frames feature a 10mm-thick projection above the mounting service, with a wide mix of round, flat and even pre-terminated cabling being accommodated. The twin brush strips incorporated into each frame provide a self-sealing closure to whatever standard or mixed cabling is utilised, so limiting or preventing the ingress of all but very fine dust particles. All frame fixing and cable routing applications can now be simplified, resulting in higher versatility and time saving.

▲ ▲ KEL-BES brush frames suitable for cabinet and control panel applications

The frames are manufactured from black polyamide with a flame class of UL94-Vo, with the same material utilised for the brushes. The products are halogen- and silicone-free and are suitable for operations within a temperature range of -20°C to +90°C. M Buttkereit Ltd – UK Website : www.buttkereit.co.uk PAI enamel in thermal class 240°C The need to complete the IEC Regulation for the use of enamelled wires for electronic purposes has resulted in the establishment of a new standard for the production of high thermal class enamelled wires. This new standard was necessary in response to the restrictions demanded by the REACH Regulation, which no longer allows large quantities of polyimide enamels (PI) to be imported from countries outside Europe and strongly regulates the NOx gas emissions for minor solvents content. For this reason, in 2012, Elantas decided in agreement with the Italian corporation Comitato Elettrotecnico Italiano CT 55 to create a new standard regulating the use of enamelled wire made with polyamide-imide enamel (PAI) in thermal class 240°C. By then, Elantas Italia had already developed a PAI enamel in thermal class 240°C that satisfied the requirements set by the only standard for high thermal index (IEC 60317-46 Aromatic polyimide enamelled round copper wire, class 240). The product Allotherm 602 BGM was proposed as a definite alternative enamel. The application of PAI enamel helps reduce NOx emissions to 40 per cent. Allotherm 602 BGM also has a longer molecular stability than PI enamel, resulting in good usability without any particular storage problems. The new standard publication was completed in April 2015 under the guidance of project leader Gino Paolo Piccioni, technical assistance manager, in the space of three years. Elantas Italia – Italy Website : www.elantas.com

56

www.read-eurowire.com

January 2016