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Overview：
HZW□-12 series Intelligent Pole-Mounted Switch is a smart power distribution device featuring an integrated design that combines the switch body, current/voltage transformers/sensors, Feeder Terminal Unit (FTU), and primary and secondary connection cables. It is used on overhead lines of power distribution networks, primarily for switching (breaking and making) load current, overload current, and short-circuit current within the power system, thereby providing control and protection. It is capable of achieving functions such as data acquisition, fault handling, communication, time synchronization and positioning, waveform recording, and Feeder Automation (FA).