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Boerstn ZW7-40.5 series outdoor high voltage vacuum circuit breaker ZW7-40.5 series outdoor high voltage vacuum circuit breaker is three phase AC 50Hz, rated voltage is 40.5kV outdoor high-voltage electrical equipment , attached the spring operator or electromagnetic actuator can be well controlled electric opening and closing can also be Manual storage, manually open and close. Design performance meet GB1984-89<AC high voltage circuit breakers>; national standards, and meet the IEC-56<high-voltage AC circuit breakers>; International Electro-technical Commission standards. ZW7-40.5 Type vacuum circuit breaker is mainly used for outdoor 35kV power transmission system control and protection also applies to urban and rural power distribution networks and industrial and mining enterprises in the normal operation and short circuit protection purposes. The overall structure of the insulator pillar product type; built vacuum interrupter type on the vase, porcelain vase for the next pillar vase. For frequent operation place. And has good sealing, anti-aging, high pressure, no burning, no explosion, long life, convenient installation and maintenance features. |



BOERSTN ELECTRIC" is engaged in manufacturing,development,service ,solution,maintenance & marketing of H.V./L.V. power distribution equipments,switchgears,transformers,substations..etc .Our main products are as below:
· High,medium,low voltage electricl switchgear panels
· Power Distribution Switch Board (PDB)
· M.V solid insulated switchgears (SIS)
· compact substations /Package substation/kiosk substation
· pad mounted transformers(PMT)
· Gas insulated switchgears(GIS)
· Cable Brach box
· Ring main units (RMU)
· Oil-immersed transformers and dry type transformers
Vacuum circuit breaker/VCB, vacuum contactor, air circuit breakers/ACB. vacuum switches

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