Related Devices of Vacuum Circuit Breakers and Vacuum Contactors.
Followings are recommended related devices using in combination with VCB or VMC.
Input voltage AC is converted to DC, and the power source is used for tripping operation. There are three kinds of products depending on the input voltage and the applicated type.
Vacuum checker is used when a vacuum degree of vacuum interrupter is inspected. It can determine whether the degree of vacuum interrupter keeps good condition or fails.
There are three kinds of vacuum checkers depending on input voltage.