In outdoor solar power installations, UV resistance is one of the most critical factors determining the long-term reliability of solar cables. Prolonged exposure to intense sunlight, ozone, and fluctuating weather conditions can cause insulation cracking and surface degradation—compromising both safety and performance.
At KUKA CABLE, we believe that every meter of solar cable should withstand the toughest conditions for 25+ years. This commitment drives us to test beyond industry standards.
Rigorous UV Resistance Testing
Recently, KUKA CABLE solar cables underwent a Xenon Lamp UV Aging Test in our advanced testing facility.
720 hours of continuous exposure
Equivalent to approximately 360 weathering cycles
Simulating years of outdoor conditions, including intense sunlight, humidity, and ozone
This test ensures our cables maintain insulation integrity and electrical performance in even the harshest environments.
Taking It Further: 2,000-Hour UV Test
While the TÜV EN 50618 standard sets a high benchmark for UV stability, we aim higher.
We are now arranging a 2,000-hour Xenon Lamp UV test to further validate the superior durability of KUKA solar cables. This extended test is designed to simulate decades of sunlight exposure and prove that KUKA’s cables exceed international requirements.
SIF: Our Quality Framework Beyond Standards
All KUKA solar cables are manufactured under the SIF (Safety, Integrity, Future) quality framework—our proprietary system that enforces stricter quality controls than conventional standards, including TÜV.
SIF governs every step:
Raw material selection for enhanced UV resistance
Precision manufacturing to maintain uniform insulation thickness
Comprehensive testing, such as UV, flame retardancy, and cold bend tests
This approach ensures not only compliance but also extra safety and reliability for our global customers.
Why It Matters
Prevents premature cable failure caused by UV-induced cracking or chalking
Reduces maintenance costs and downtime for solar farms
Ensures long-term safety and stable energy output for rooftop, ground-mounted, and utility-scale PV projects
Every meter of KUKA solar cable is built to protect your solar investment and ensure peace of mind for decades.
Conclusion
As the demand for durable, long-life solar cables grows, KUKA CABLE continues to push boundaries in UV resistance testing to guarantee superior product performance. Our extended 2,000-hour Xenon Lamp test reflects our dedication to quality, safety, and innovation—key to enabling reliable renewable energy worldwide.
Discover more about KUKA’s certifications and quality testing or explore our full range of solar cables designed to power solar projects under the harshest outdoor conditions.
