ZW32-12 series outdoor high voltage vacuum breaker,used in AC 50Hz,rated voltage 12kV three-phase power system for closing/breaking load current,over current and short-circuit current.the breaker can equip with reclosing controller to identiy break current characteristics and achieve multiple automatic reclosing or faultisolation.Self-provided PT as a power source,it becomes a smart circuit breake able to controlr with signal output of voltage and current.The electronic PT provides power supply and can complete three-stage composite protection of over current delay, inrush current delay, and short-circuit and quick-break.
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