ZW32-12G primary and secondary integrated standardized pole-mounted circuit breaker is a cutting-edge pole-mounted circuit breaker equipment .it incorporates the industry's electronic voltage sensors, current sensors, electric energy metering modules, high-speed fault transient recording, in compliance with the National Grid Standard 'Typical Design of Primary and Secondary Equipment for Power Distribution'. This equipment achieves the function of 'adaptive comprehensive local automation' independently of the distribution automation master station or communication. Utilizing short-circuit/grounding fault detection technology, no-voltage tripping, fault path adaptive delay power closing and other control logic, adaptive multi-branch and multi-contact distribution network structure, it can achieve local line selection, regional positioning and isolation of single-phase grounding faults, and achieve isolation of the fault area and restoration of power supply to the non-fault area through two reclosings. It is a distribution automation product!