Controller and Transfer Switch The CPS-125C/06mf controller and Transfer Switch are electrical devices used to control and protect current and voltage in a circuit. As a guarantee equipment for continuous power supply, automatic protection transfer switch appliances have been widely used in various important occasions, such as banks, hospitals, large sports venues and public buildings, transportation hubs, chemical industry, metallurgy, etc. In modern electrical systems, Protection Transfer Switches play an important role. It is not only a simple Protect Switchgear, but also a crucial component for connecting different electrical systems and ensuring the stability of power supply. In summary, the CPS-125C/06mf controller are multifunctional electrical Control Devices used to control and protect the current and voltage in the circuit, and has a switching function.