The automatic operation device and the giving attention to protective selection of cutout are also suggested. 分析了断路器保护选择的注意事项。
Introduction of reasonable design and calculation is a precondition of satisfaction for current breaking in the interrupter among other basic performance of a circuit breaker. 介绍合理的设计计算是断路器各项基本特性满足断路器及灭弧室开断的先决条件。
