Based on this product's specifications, here are some alternatives and similar models
PV combiner box CNC NV822553 DC 10-in 10-out IP66
Summary description:
CNC PV combiner box NV822553 is a DC junction enclosure with 10 inputs and 10 outputs, rated IP66 for protection against dust and powerful water jets. Designed for photovoltaic systems to combine multiple string circuits into a single output, it supports cable terminations and protection components. Suitable for outdoor installation, it organizes wiring and improves system safety and maintenance.