Integrated power distribution apparatus and power distribution cabinet

A power distribution cabinet, comprising:

• a cabinet;
• and
• an integrated power distribution apparatus, wherein the integrated power distribution apparatus comprises:
• a rack comprising a receiving cavity formed in the rack and adapted to extend from an operation side of the rack toward a wiring side of the rack;
• a plurality of functional modules arranged in the receiving cavity and coupled to the rack, the plurality of functional modules being arranged in an arrangement direction;
• a busbar arranged on the wiring side of the rack, coupled to and electrically connected to the plurality of functional modules;
• and
• a communication bar arranged on the wiring side of the rack and coupled to the plurality of functional modules.