This is DC Distribution Box 4 in 4 out with 4 SPD 1000 Vdc for double string 2 MPPT Voltage range between 200 to 1000V of Inverter, DCDB is mainly used for DC Side protection.
For 4 String have individual Surge protection device.
This is DC Distribution Box 4 in 4 out with 4 SPD 1000 Vdc for double string 2 MPPT Voltage range between 200 to 1000V of Inverter, DCDB is mainly used for DC Side protection.