A DC distribution panel comprising: an input terminal including a positive input terminal and a negative input terminal; a plurality of circuit breakers having short-circuit current interruption units provided to at least either of positive electric paths and negative electric paths respectively branched from the positive input terminal and the negative input terminal; and output terminals including positive output terminals and negative output terminals of the plurality of circuit breakers , wherein at least one of the plurality of circuit breakers includes a reverse current interruption unit for interrupting reverse current flowing through the positive electric path from the output terminal side to the input terminal side, characterised in that the reverse current interruption unit has a semiconductor switching element , a first diode connected in antiparallel to the semiconductor switching element , a second diode connected in series to the semiconductor switching element , and a capacitor connected in parallel with the series connection of the semiconductor switching element and the second diode , wherein the emitter of the semiconductor switching element is connected to the input-side positive electric path , and the collector thereof is connected to the output-side positive electric path , wherein the cathode of the first diode is connected to the output-side positive electric path , and the anode thereof is connected to the input-side positive electric path , wherein the cathode of the second diode is connected to the input-side positive electric path , and the anode thereof is connected to the input-side negative electric path , and wherein the capacitor is connected between the output-side positive electric path and the output-side negative electric path . an input terminal including a positive input terminal and a negative input terminal; a plurality of circuit breakers having short-circuit current interruption units provided to at least either of positive electric paths and negative electric paths respectively branched from the positive input terminal and the negative input terminal; and output terminals including positive output terminals and negative output terminals of the plurality of circuit breakers , wherein at least one of the plurality of circuit breakers includes a reverse current interruption unit for interrupting reverse current flowing through the positive electric path from the output terminal side to the input terminal side, characterised in that the reverse current interruption unit has a semiconductor switching element , a first diode connected in antiparallel to the semiconductor switching element , a second diode connected in series to the semiconductor switching element , and a capacitor connected in parallel with the series connection of the semiconductor switching element and the second diode , a semiconductor switching element , a first diode connected in antiparallel to the semiconductor switching element , a second diode connected in series to the semiconductor switching element , and a capacitor connected in parallel with the series connection of the semiconductor switching element and the second diode , wherein the emitter of the semiconductor switching element is connected to the input-side positive electric path , and the collector thereof is connected to the output-side positive electric path , wherein the cathode of the first diode is connected to the output-side positive electric path , and the anode thereof is connected to the input-side positive electric path , wherein the cathode of the second diode is connected to the input-side positive electric path , and the anode thereof is connected to the input-side negative electric path , and wherein the capacitor is connected between the output-side positive electric path and the output-side negative electric path . <EOS>