This 4 in 1 out combiner box enables you to expand your PV array.
It is waterproof, dustproof and has ultraviolet protection. The combiner box can be used in hot and cold conditions and is easy to install .
Max Inverter Input range: 550V
If you want to learn more, see our guide on How to Size a PV Array
To further explain the use of a combiner box, take a look at the diagram below: