/kloc-what mainstream brands should be used for vacuum circuit breakers, transformers, fuses, lightning arresters, grounding switches and switch status indicators of 0/0kv high-voltage distribution system? If you don't care about the price, you can choose imported products ABB, Siemens, Alstom and Schneider. Xi An Baoguang, Xi An Huayi, Zhu Hai Xu Ji and Beijing Ke Rui with slightly lower prices; There are many manufacturers with lower prices.

In fact, these products do not need to pursue brands, but the key is practicality and reliability. We used ABB's 35KV outdoor permanent magnet vacuum circuit breaker in Nanjing Liuhe Substation, but it was out of order for more than a year, and the customer service could not find it. Finally, we didn't replace it (I didn't mean to belittle ABB's products and services, but I told the truth).