New IP65/IP66 Solar Combiner Box with 1500V DC Compatibility Launched for Global PV Projects

New IP65/IP66 Solar Combiner Box with 1500V DC Compatibility Launched for Global PV Projects

As the global transition to renewable energy accelerates, the demand for reliable, high-voltage photovoltaic (PV) infrastructure continues to grow. In response, our company is proud to announce the official launch of our latest IP65/IP66 Weatherproof Solar Combiner Box, engineered to support 1500V DC system compatibility and deliver uncompromising safety for residential, commercial and utility-scale solar installations.

Engineered for High-Voltage PV Systems

The new solar combiner box is designed around the industry's evolving 1500V DC architecture, which significantly reduces system costs by enabling longer string lengths and fewer combiner boxes per plant. Featuring Class II double insulation and a fully sealed, weatherproof enclosure rated IP65/IP66, the unit protects critical DC circuitry from rain, dust, salt spray and extreme temperature fluctuations in outdoor environments. Every production unit is assembled on automated lines and undergoes 100% electrical testing before shipment to guarantee consistent quality across large-volume orders.

Technical Specifications

Key Features and Benefits

• High Safety Standard: Integrated fuse protection, surge protection and reverse polarity safety ensure reliable operation and equipment protection under fault conditions.
• Superior Weather Resistance: The IP65/IP66 enclosure withstands heavy rain, UV exposure and corrosive coastal atmospheres, ensuring long service life in outdoor PV plants.
• Flexible System Integration: With 600V to 1500V DC compatibility and multiple mounting options, the combiner box adapts to rooftop, ground-mount and pole-mounted solar arrays.
• Global Compliance: UL and CE certifications support smooth project approval and import clearance for international B2B buyers.
• Low Maintenance Design: Sealed construction and high-quality components minimize field maintenance, reducing the total cost of ownership over the plant's lifetime.

Applications

• Residential rooftop solar systems
• Commercial and industrial PV plants
• Utility-scale ground-mounted solar farms
• Off-grid and hybrid renewable energy projects

Quality Assurance and OEM Support

Our factory operates with ISO9001 quality management and offers complete OEM/ODM services, including custom string configurations, brand labeling, packaging design and export documentation. Engineering support is available for project-specific layout drawings and compliance requirements, helping system integrators and EPC contractors deliver bankable PV plants with confidence.

With solar energy capacity expanding rapidly across Europe, North America, the Middle East and Southeast Asia, our new 1500V DC solar combiner box provides system integrators and EPC contractors with a certified, cost-effective solution for modern PV infrastructure. For OEM/ODM customization and bulk supply inquiries, our engineering team is ready to support your project requirements.