ZW32-12F Outdoor High Voltage Intelligent Vacuum Boundary Circuit Breaker (hereinafter referred to as "Boundary Circuit Breaker") is a new type of boundary circuit breaker configured by vacuum circuit breakers and intelligent controllers. The microcomputer protection function has three stage protection functions, namely, quick break, delayed quick break, and overcurrent protection. It is flexible in setting and has a definite time limit fast and slow characteristics. The user can set the protection setting value, delay, and automatic switching function of standby protection value. Automatic delay function for cooling load. There are many reclosure functions. You can set 3 reclosures, and freely choose the number of reclosures and different reclosure intervals.