This newly developed photovoltaic installation cable has an outer diameter reduced by about 20% versus the conventional range.

Photo: Leoni

New PV solar cable needs 20% less space

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Leoni has extended its range of products for the photovoltaic (PV) industry to include a solar cable with a reduced diameter. The Company will present this new development as well as other wire and cable solutions at the 26th European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC).
This newly developed photovoltaic installation cable, which is used to connect solar modules and inverters, is designated “BETAflam Solar 125 RV flex FRNC” and, in particular, has an outer diameter reduced by about 20 percent versus the conventional range. It is therefore suited above all to use in limited space and where there is greater need for cable laying flexibility, as is frequently the case with photovoltaic systems on buildings. The smaller amount of space that this solar cable requires is made possible by its integrated jacket in which there is a positive-fit connection between the insulation layer and the jacket material, thereby doing away with an additional separating layer.
Just like BETAflam Solar 125 flex FRNC, which is well-proven on the market, the new, space-saving RV version is TÜV certified, double insulated, halogen free, flame retardant and resistant to UV rays, ozone and ammonia. Thanks to its electron-beam cross-linked insulation, this solar cable also boasts exceptionally high mechanical strength and temperature resistance. Despite its reduced diameter the cable provides high dielectric strength.
The new product is available with a black-coloured jacket and meets the high requirements in terms of UV resistance under all known climatic conditions. It is extremely durable and fulfils the requirement of permanent operation for at least 25 years at ambient temperatures of up to 90° Celsius. “BETAflam Solar 125 RV flex FRNC” is available with conductor cross sections of between 2.5 and 50mm².

On its stand B12 in hall B7 of the EU PVSEC, Leoni will also display its solar flat wire, which connects individual cells and strings inside the photovoltaic modules. Tailored dimensions of the connectors and their adaptation to individual customer requirements as well as coating them with pure tin or tin solder alloys are options in all conceivable variations. The fine flat wires are made to specifications with extreme accuracy and of high-quality materials.
They also boast durability and a high degree of environmental compatibility: no fluxing agents or chemical substances whatsoever are used in production. Wire thicknesses range between 0.08 and 0.50mm, and wire widths from 1.2 to 5.0mm.