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ZW32-12 Outdoor high voltage vacuum circuit breaker,also known as outdoor vacuum column circuit breaker,which is mainly used for closing and opening the load current,overloads current and short circuit current in power system.It is used for power distribution system of power substation and industrial mining enterprises and plays the role of protection&control.It is also used for frequent operation places of rural power grid.Outdoor distribution equipment with rated voltage of 12kV and three-phase AC 50Hz.
ZW20 intelligent high-voltage vacuum circuit breaker,also known as outdoor column vacuum switch,the insulation medium is vacuum interrupter and SF6 gas,it is an improved product of ZW20 column vacuum circuit breaker.The spring operating mechanism of the column vacuum circuit breaker has been miniaturized and its performance is more stable and reliable.ZW20 vacuum circuit breaker adopts direct chain main drive and multi-stage tripping system.The operation is more reliable and stable than traditional domestic devices,which has lower resistance and lower temperature rise.
The intelligent vacuum circuit breaker is used in three-phase power system with AC 50HZ and rated voltage 10-12KV.It is be used for closing and opening load current.It has the functions of overload and short circuit protection,quick-break protection,timing,time limit,&delay protection and automatic reclosing.It can also be equipped with arresters or disconnecting switch(that is combination of circuit breakers and disconnecting switch)based on users'needs.
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Shaanxi Sefon Electrical Equipment Co.Ltd.
Add: Jinye Road, High-tech Zone, Xi’an, China
Tel: 0086-029-33810859 Fax: 0086-029-33810659
Cell: 0086-186-2907-8118 Email: shaanxi.sefon@outlook.com
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