本论文的目的是研究并提高CW1系列智能型万能式断路器操作机构的可靠性，可以减小故障的发生率，从而减少用户的损失。
In order to decrease the rate of fault and reduce the cost, this paper researches and improves the reliability of operation mechanism of CW1 series circuit breaker.
电子脱扣器是AH系列万能式断路器的一个核心部件。
The electronic release is one of core parts of AH series air circuit breaker.
通过与高压真空断路器和ME系列低压断路器对比，论述了低压真空断路器的经济和技术性能以及发展前景。
The technical performance and development of low voltage vacuum circuit breaker is discussed as compared with high voltage vacuum circuit breakers and ME series low voltage circuit breakers.
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