DC protection box for multi-MPPT commercial inverters.
Outdoor-rated DC box for easily adding protection features to the PV strings into your MPPT. The box includes several features that reduces the amount of separate components you need to install.
Inputs and Outputs
This unit combines 6 PV input pairs into 6 DC outputs. The inputs and outputs have MC4 connectors pre-fitted. There is also a gland output for earthing.
DC isolation: rated at 16A and 1000V
DC surge protection
This DC Box has Citel Type 1 & 2 DC surge arrestors integrated and is suitable for installation sites that experience frequent lightning strikes.
A surge arrestor is integrated per MPPT/or for every two strings, the intended use for this being for a large commercial inverter such as Huawei.
The SegenSolar design tool estimates the strike rate of a given postcode location and recommends whether Type 1 or 2 surge protection is appropriate..