With the continuous advancement of industrial automation, electrical control technology is also undergoing continuous development and innovation. As essential components of electrical control, relays and contactors are playing an increasingly crucial role, especially in high-voltage electrical equipment, where safety and stability have a significant impact on production processes. In recent years, controlling 380V AC contactors with 24V DC relays has become a popular solution. This article will delve into the application principles, advantages, and vital role of this technology in modern industry.

