
SOLARFLEX: UL 4703-Certified Solar Cable for International Photovoltaic Projects
HELU offers a solar cable certified according to UL 4703, a key advantage for international projects
The demand for renewable energy is growing rapidly worldwide, and solar power, together with wind and hydropower, is one of the most important and cleanest energy sources.
The use of reliable and durable cables to connect individual solar modules plays a crucial role in the efficient operation of the system, as well as in connections to inverters and energy storage systems.
HELU offers a solar cable certified according to UL 4703, a key advantage for international projects. The SOLARFLEX X series includes DC power cables for all applications, with cross-sections ranging from 1.5 to 35 mm². These solar module cables easily withstand DC voltages of several hundred volts and conduct current with minimal resistance.
What Sets Us Apart at a Glance
• Maximum UV resistance: minimum service life of 25 years under direct sunlight thanks to optimized jacket materials.
• Extreme temperature resistance: reliable operation between -40 and +90 °C in all climate zones worldwide.
• Optional rodent protection: robust cable design that prevents costly downtime caused by rodent damage.
• International certifications: proven quality in accordance with TÜV and UL standards for projects around the world.
• Complete system solutions: from string cables to data cables, all from a single supplier.

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