Classifications of vacuum interrupters for contactors:

  Descripition of model:


      Vacuum contactors are requested to operate frequently under a certain load current and they are qualified to operate for 500,000 to 1,000,000 times. Vacuum contactors have many features such as strong arc extinguishing ability, long life cycle, minimized maintenance, reliable performance, safety, compact and light weight. Vacuum interrupters, however, as the most important part determine its performance in a certain degree.

       Main technical data is: rated voltage ranging from 1.14KV to40.5KV; rated current ranging from 400A to 1250A; rated short time withstand current ranging from 4KA to 6.3KA. Our vacuum interrupters are designed to operate under GB/T14808-200 or IEC60470 standards.