VS1 Vacuun Circuit Breaker.

General VS1 series vacuum circuit breaker is indoor high voltage switch-gear with rated voltage 12kV, three-phsae AC 50Hz, which is developed by introducing from Switzerland, ABB corporation technology and analyzing domestic profession development condition, productivity development manufacture product. the overall structure of this product is formed with the switch main body and operating device, used the compound insulation structure, does not have the pollution and the explosion hazard, and the insulation level is high. This operating device of the series product is for the spring loaded type, can use the electrically operated operation, also can use the manual operation.