A solar combiner box is an essential component in photovoltaic (PV) systems. It combines the output of multiple solar panel strings into one main DC output, making the connection to the inverter simpler and safer.
Inside a combiner box, you’ll typically find:
- DC fuses or circuit breakers for each string
- Surge protection devices (SPD)
- Main DC breaker
Most combiner boxes for outdoor use come with an IP65 waterproof rating, which means they are protected against dust and water jets.
When choosing a combiner box, consider:
- System voltage (600V or 1000V)
- Number of strings (2, 3, 4, 6, etc.)
- Protection features (SPD, fuses, breaker)
- Certifications (CE, RoHS)
At CYF Energy, we offer a range of solar combiner boxes with IP65 protection, built-in surge protection, and DC breakers. All our products are CE certified and factory direct.
