A Power Device is an electrical or electronic component designed to manage, convert, or control power flow within a system. These devices ensure efficient energy distribution, voltage regulation, and power stability for various applications, including industrial machinery, defense systems, and consumer electronics.

Application in the 5-inch Naval Gun System
In the 5-inch naval gun, the Power Supply Rack acts as a power device that ensures consistent power delivery to the servo control system.
It prevents power fluctuations that could affect targeting accuracy and operational efficiency.