Relays that are a combination of electromechanical and solid-state technology are known as ------.

Hybrid relays are designed to harness the advantages of both electromechanical and solid-state technologies. This combination allows them to provide the benefits of traditional mechanical switching mechanisms, like reliable performance and robustness, while also incorporating the speed, efficiency, and compactness of solid-state components.

In practical applications, hybrid relays can handle a greater variety of control signals and offer improved durability compared to purely electromechanical relays. They can also achieve faster switching times and often generate less interference, making them suitable for modern electronic systems where efficiency is critical.

The other options, such as binary, analog, and automated relays, refer to different types of relay technologies or functionalities that do not involve this unique combination of electromechanical and solid-state components.