NEW: vacuum circuit breaker by Ningbo Tianan (Group) Co., Ltd.

ZN12-12 series indoor AC HV vacuum circuit breaker is the indoor equipment of three phases AC 50Hz, rated voltage of 12kV, which introduced the technology from German company. It is suitable for area with all kinds of load and frequent operation, and can used for protection and control of industrial and mining, enterprise, power plant and substation electrical facilities. 　　

This product is in accordance with related requirement of GB1984, JB3855, DL403 and IEC standards.

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Ningbo Tianan (Group) Co., Ltd.

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Circuit breakers

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