Summary of ZN85-40.5 Indoor AC High Voltage Vacuum Circuit Breaker automatic circuit breaker :
ZN85-40.5(3AV3) indoor vacuum circuit breaker is designed and produced by HEAG and Xi'an High-voltage Electric Apparatus Institute. It is three-phase and AC 50/60Hz with rated voltage of 40.5kV. This product is a kind of protecting and controlling electric apparatus, which applies to mining firms, power houses and substations, as well as occasions ask for frequent operation. It meets related stipulations of IEC 62271-100.

Technical Specification of ZN85-40.5 Indoor AC High Voltage Vacuum Circuit Breaker automatic circuit breaker :

Structure of ZN85-40.5 Indoor AC High Voltage Vacuum Circuit Breaker automatic circuit breaker :
1. The arc-extinguish chamber is on the upper part and the mechanism is on the lower part. This structure is convenient for debug.
2. Complex insulating structure using air and organic material; Compactible dimension and small weight.
3. Domestic ZMD series Vacuum arc-extinguish chamber is applicable for the VCB. This kind of chambers extinguish arc by vertical
magnetic field and featuring with low cut-off and good on-off capability with asymmetry . 
4. Simple spring operation mechanism is free from maintenance within 10,000 times of operations.
5. Lead-screw propeller, easy and stable operation and good self-locking capability.

Ambient Condition of ZN85-40.5 Indoor AC High Voltage Vacuum Circuit Breaker automatic circuit breaker :
1. Altitude: ≤1000m;
2. Ambient temperature: -25℃ ~+40℃ ;
3. Relative humidity: daily average ≤95% , monthly average ≤90% ;
4. Earthquake intensity: ≤8 degree;
5. Applicable occasions should free from inflammables, explosives, corrosives
and severe vibration.

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/