摘要
论述了低压断路器的发展历史,智能型断路器(万能式和塑料外壳式)的构成、工作原理、主要性能和智能化功能,并对它们的今后发展进行了展望。
discuss the development of low voltage circuit breaker,and component part、operating principle、 main characteristics and intellectuality function of the intellectuality circuit breaker,and prospects the fu- ture of them.
