Power distribution box for onboard network of aircraft and corresponding power supply system

A power distribution box for an aircraft power supply network, is intended to be connected to loads for powering the loads at a first voltage level and at a second voltage level lower than the first voltage level, comprises a plurality of distribution modules for powering the loads at the first voltage level, further comprises a solid state converter (1) capable of converting the first voltage level into a voltage at the second voltage level for powering the loads at the second voltage level. 种用于航空器供电网络的配电箱，所述配电箱用于连接到负载，并以第电压电平和低于第电压电平的第二电压电平对所述负载供电。所述配电箱包括用于以所述第电压电平为负载供电多个分配模块(SSPC1)，还包括固态转换器(1)，所述固态转换器(1)能够将第电压电平转换成处于第二电压电平的电压，以便以所述第二电压电平为负载供电。