ZKCB conversion switch is a product independently developed by our company. The components and parts of the product undergo strict aging screening to ensure the reliability and safety of the product. Intelligent CB level conversion switch device, designed with mechatronics integration, accurate and reliable switch conversion, good electromagnetic compatibility, strong anti-interference ability, and high degree of automation. This product can not only switch between two power sources, but also simultaneously detect two three-phase four wire voltages. When there is an abnormality in the power supply, it can automatically switch to another normal power supply. The system is equipped with dual mechanical and electrical interlocking protection functions, providing a safe and reliable guarantee for power supply.