noun
power distribution unit; PDU
Computing term for a device that distributes electric power to multiple devices, often in a data center or server rack.
データセンターでは、各ラックに配電器が設置されている。
In the data center, a power distribution unit is installed in each rack.
Compound of 配電 (power distribution) and 器 (device). The exact historical derivation is uncertain, but the term is a straightforward technical coinage.