VB5(ZN21D) indoor high-voltage AC vacuum circuit breaker is an indoor high-voltage switchgear with rated voltage of 40.5kV and three-phase AC 50/60Hz. It can be used as the control and protection of electrical equipment in industrial and mining enterprises, power plants and substations, and it is suitable for frequent operation.
11kV Load Break Switch is a control electrical appliance with a simple arc extinguishing device that can be used for load switching and switching circuits. It can switch on and off a certain load current and overload current, but cannot disconnect the short-circuit current.