Circuit Breaker Manufacturers

Circuit Breaker made in China can be bought from our factory. Our factory is called Tianan which is one of the most professional Circuit Breaker manufacturers and suppliers in China. Welcome to buy our products. Besides, We will continue our repair and maintenance service on the delivered product beyond warranty period.

Ningbo Tianan (Group) Co. Ltd is a professional China Circuit Breaker Manufacturers and China Circuit Breaker suppliers. Our factory specializes in manufacturing of Mobile Substation, Circuit Breaker, Cable Branch Box. The circuit breaker has the perfect function, suitable for special operating environment such as high altitude and low temperature.

The circuit breaker complies with GB/T1984, GB/T11022, DL/T403, IEC62271 and other relevant stands.

The circuit breaker can be used for three-phase AC50Hz, 12KV/24KV indoor switchgear power system as control and protection equipment for industrial-mining enterprise, power plant and substation electric facilities.

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VT19-40.5 Indoor HV Vacuum Circuit Breaker

VT19-40.5 Indoor HV Vacuum Circuit Breaker VT19-40.5 Indoor HV Vacuum Circuit Breaker is in line with GB/T 1984" HV AC CB, JB/T3855" 3.6 - 40.5kV indoor HV AC vacuum CS" and IEC standards. CB has reliable inter10ck function, can not only be as a handcart unit but also a fixed unit.

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ZW30-40.5 Outdoor HV Vacuum Circuit Breaker

ZW30-40.5 Outdoor HV Vacuum Circuit Breaker ZW30-40.5 Outdoor HV Vacuum Circuit Breaker is available in power T&D system with rated voltage of 35kV, rated current of 1600A, AC three phase and 50 Hz. It could be used in industrial enterprises and mines, power plant and substation for protection and controlling, as well as inter connection circuit breaker. This is also available in places for frequent operations.

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VS1-12 Indoor AC Vacuum Circuit Breaker

VS1-12 Indoor AC Vacuum Circuit Breaker is used as protection and control unit of three-phase AC indoor medium voltage switchgear and industrial and mining enterprise power device of 50Hz and rated voltage up to 7.2~24kV. VS1-12 Indoor AC HV Vacuum Circuit Breaker complies with IEC60694, IEC62271-100

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VT2A (ZN73C) Series indoor HV Vacuum circuit breaker

VT2A (ZN73C) Series indoor HV Vacuum circuit breaker in line with GB 1984, IEC 62271 and other domestic and international standards and reliable interlock function.

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VT12(ZN85)-40.5 indoor HV vacuum circuit breaker

VT12(ZN85)-40.5 indoor HV vacuum circuit breaker is used for indoor switching devices of three-phase 50Hz, 40,5kV power system and used as control & protected mechanism for industrial and mining enterprises, electric station and transformer substation’s devices.

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ZN12-40.5 Type indoor AC high voltage vacuum circuit breaker

ZN12-40.5 Type indoor AC high voltage vacuum circuit breaker is the introduction of Germany's Siemens technology developed on the basis of products, mainly used in 40.5kV, within the current system of AC 50Hz indoor switchgear, and other products comply with IEC56 standards.

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As one of the professional China Circuit Breaker manufacturers and China Circuit Breaker suppliers, Ningbo Tianan (Group) Co. Ltd has became a famous leading enterprise of the power transmission equipment manufacturing in China. The group currently has 1 national R&D center, 2 provincial R&D centers, 10 professional companies, 70 sales offices, total assets of 4.2 billion yuan, and more than 3,500 employees. It is one of the most influential leading enterprise. So, you can rest assured to buy Circuit Breaker from us.