Summary of high voltage vacuum circuit breaker in substations:
ZW37-40.5 model outdoor vacuum circuit breaker is high volt age switch of rated voltage 40.5kV and three -phase. It applies to make and break big current, overload current and short-circuit current in power system. The applicable occasion includes substations, industry and mining, urban and rural electricity power networks, functioning as electric protection and control apparatus; it is especially applicable in occasions with frequent operation and automatic power distribution network. This product is qualified in type test executed in Beijing electric power re search institute and conforms with IEC 62271-100 standards.

Technical Specification of high voltage vacuum circuit breaker in substations:

Structure of high voltage vacuum circuit breaker in substations:

Ambient Condition of high voltage vacuum circuit breaker in substations:
1. Altitude: ≤1000mm;
2. Ambient temperature: -35℃ ~+40℃ ;
3. Wind speed: ≤34m/s;
4. Earthquake intensity: 8 degree;
5. Relative humidity: monthly average ≤90%, daily average ≤95%;
6. Ice thickness: 20mm; 
7. Ambient pollution: IV;
8. Applicable occasions should be free from inflammables, explosives, corrosives and severe vibrations.

Product Feature of high voltage vacuum circuit breaker in substations:
1. General structure : The epoxy bushing supporting porcelain insulator consists of epoxy bushing, vacuum arc extinguish chamber, supporting porcelain insulator, insulating bar and connecting bar, three supporting porcelain insulators are mounted on the same mechanism-box. The moving terminal of arc extinguish chamber is linked with output shaft by insulating bar.
2. The enclosure of vacuum arc extinguish chamber is epoxy resin, which is sealed in accordance with advanced foreign technology. Anti-moist, anti-ageing, withstand high temperature in outdoor, free charging oil and gas. 
3. Convenienced for adjustment and maintenance, the moving terminal of arc extinguish chamber are linked with out puts haft by insulating bar. 
4. The mechanism and connection rod are mounted in a waterproof box, a heater can be used to avoid damp.
5. Current transformer can be chosen by customer.
6. New structure, small volume, light weight( whole weight:700kg)
7. It can be used in automatic distribution network and self-service substation by assembling control terminal interface.

Certifications:

Cooperation Projects:

Company Pict:

Huayi Electric Co., Ltd. is the core subsidiary of Huayi Elec. Apparatus Group Co., Ltd. In 2007, It became the first ShangHai Stock Exchange (SSE) listed electric company in WenZhou. The company has more than 1,500 employees, of these 30 percent is engineers. It has 7 core subsidiaries and 4 divisions. It focuses on two main industries: wind energy and electric apparatus. Huayi Electric Co., Ltd has created a complete marketing network to cover the business of State Grid Corporation, five power generation Groups, chemical, petroleum, railways, industries and manufacturing. It as well has established perfect worldwide marketing channels and after-sales service system in Europe, Asia, Africa, America, and Oceania.

Main Products List:
1. Wind Turbines 
2. Switchgear Panels
3. High Voltage Components
4. Instrument & Protection Systems
5. Instrument Transformers & Accessories
6. Outdoor Power Transmission & Distribution Systems

Sample & OEM & ODM is OK. 
More information pls kindly visit our website: 
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http://heag.en.china.cn/