FSCB 4/2 photovoltaic combiner box is suitable for inverters with the maximum input voltage of DC550V/DC1000V, the number of PV input channels is 4, the output is 2 channels, the number of MPPT is two inverters, and the cabinet is made of PVC engineering materials. Manufactured, with fire-retardant, temperature rise, anti-impact, anti-ultraviolet and other tests, and the protection level reaches IP66.