Vacuum interrupter (VI) maka contactor bụ tumadi na-eji ugboro ugboro jikọọ na bepụ nkịtị na-arụ ọrụ current.This usoro nke agụụ interruper ịmụta seramiiki mkpuchi mkpuchi mkpuchi na Cu (W + WC) kọntaktị ihe na ala chopping uru.This ụdị ngwaahịa nwere atụmatụ nke a pụrụ ịdabere na arụmọrụ, ogologo ndụ, na obere size,etc.Contactor dakọtara na ya nwere uru nke mfe mmezi, ọ dịghị ihe ize ndụ nke mgbawa, ọ dịghị mmetọ na ala mkpọtụ, wdg, na ọ nwere ike ọtụtụ-eji na eletriki ike, Mechanical, metallurgical, chemical and mine department, etc., iji chịkwaa usoro mgbasa ozi na nkesa.Ọ dị mma karịsịa maka ịrụ ọrụ ugboro ugboro nke ịbelata ibu inductive ma jiri ya na ebe a na-arụ ọrụ ugboro ugboro.
