Model ZN23-40.5 indoor high voltage vacuum circuit

Model ZN23-40.5 indoor high voltage vacuum circuit breakers is used in three-phase AC 50Hz 35kV power system for opening or closing at rated current and fault current. It can be mounted in Model GBC-40.5 and JYN1-40.5 switchboards,suitable for use in distribution system for protection and control,place of increased operating frequency for controlling are furnace transformer.Its interrupting system adopt vacuum ceramic arc-extinguishing chamber.This circuit breaker can be equipped with CD series electromagnet operating mechanism and CT series spring operating mechanism.