ZW 20-12F series outdoor high voltage AC boundary vacuum circuit breaker is a high voltage outdoor switching gear with rated voltage of 12kV and three-phase AC of 50Hz, which mainly adopts the load current, overload current and short circuit current of switching off and off the rural grid, urban network and small power system. The overall structure of the product is three-phase common box type, and the three-phase vacuum arc extinguishing chamber is placed in the metal box, with reliable variable voltage performance and high insulation strength. The operating mechanism of this series of products is spring energy storage type, which is divided into electric and manual two kinds. Circuit breaker meets the GB1804, DL 403, GB11022 and other standards, whether in normal use conditions or fault conditions (especially short circuit conditions), as long as the technical parameters of the circuit breaker, it can ensure a safe and reliable operation in the corresponding voltage level of the power grid.
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