ZW32-40.5 outdoor high-voltage vacuum circuit breaker is an outdoor switchgear designed specifically for 40.5kV three-phase AC power systems, suitable for the switching operation of load current, overload current, and short-circuit current in medium voltage overhead lines. Its core design integrates miniaturization, intelligence, and high reliability, and is widely used in rural power grids, urban power grids, industrial and mining enterprises, and new energy grid connection scenarios