PV Combiner Boxes & Solar Disconnects
Keep your solar system safe, efficient, and code-compliant with PV combiner boxes and disconnects engineered for clean, professional installations. GRN Solar Supply carries high-quality combiner boxes designed to merge multiple panel strings into a single output, simplify wiring, and protect your system from overcurrent or fault conditions. Whether you’re building a large residential array or a small commercial install, our solar combiner solutions deliver reliability and performance you can trust.
Professional-Grade Solar Protection
Every solar power system needs proper circuit protection, and that starts with a PV combiner box. These enclosures integrate fuses, breakers, and surge protectors to prevent electrical faults and safely combine multiple strings. Built with installer-grade components and UL-listed materials, our combiner boxes are designed for long-term outdoor use in even the harshest environments.
Durable, Weatherproof & Code-Compliant
Each unit is built to meet or exceed NEMA 3R or NEMA 4 standards, ensuring complete resistance to moisture, dust, and UV exposure. From small off-grid setups to high-voltage grid-tied systems, our combiner boxes handle heavy current loads with precision and safety. Clear labeling, pre-drilled conduit entries, and mounting hardware make installation fast and straightforward.
Key Benefits
- Safely merges multiple solar panel strings
- Built-in overcurrent and surge protection
- UL-listed components for NEC compliance
- Outdoor-rated NEMA enclosures for harsh conditions
- Ideal for off-grid, grid-tied, and hybrid installations
Solar Disconnects for Total Safety
Pair your combiner box with a high-quality solar disconnect switch to safely isolate your system during maintenance or emergencies. Available in fused and non-fused models, our disconnects ensure your system meets NEC requirements while keeping installers and homeowners safe.
Engineered for Long-Term Reliability
All our combiner and disconnect products are tested for durability and ease of use. GRN Solar Supply provides only trusted solar components that deliver proven performance in residential and light commercial installations.
Protect What Powers You
Shop solar combiner boxes and disconnects today to simplify your wiring, safeguard your investment, and ensure your solar system performs safely for years to come.
