POWER TRANSMISSION DEVICE AND POWER SUPPLY SYSTEM

A power transmission device that transmits electric power from a PCU to drive modules includes: a power-source-side positive terminal and a power-source-side negative terminal that are connected to the PCU and receive DC power; and load-side positive terminals and load-side negative terminals each connected to corresponding one of the drive modules and output DC power. The load-side positive terminals and the load-side negative terminals are arranged in a line in the order of the load-side positive terminal, the load-side negative terminal, the load-side negative terminal, and the load-side positive terminal.