常用低压电器3

Date:2020/2/8Page:1常用低压电器CH1作用：短路和严重过载保护应用：串接于被保护电路的首端分类：第五节熔断器瓷插式RC螺旋式RL有填料式RT无填料密封式RM快速熔断器RS自恢复熔断器Date:2020/2/8Page:2常用低压电器CH1瓷插式熔断器第五节熔断器Date:2020/2/8Page:3常用低压电器CH1螺旋式熔断器第五节熔断器Date:2020/2/8Page:4常用低压电器CH1有填料式熔断器第五节熔断器Date:2020/2/8Page:5常用低压电器CH1无填料密封式熔断器第五节熔断器Date:2020/2/8Page:6常用低压电器CH1快速熔断器第五节熔断器Date:2020/2/8Page:7常用低压电器CH1自恢复熔断器第五节熔断器Date:2020/2/8Page:8常用低压电器CH1作用：发送控制命令或信号的电器分类：控制按钮万能转换开关主令控制器行程开关接近开关第六节主令电器Date:2020/2/8Page:9常用低压电器CH1控制按钮第六节主令电器Date:2020/2/8Page:10常用低压电器CH1万能转换开关第六节主令电器Date:2020/2/8Page:11常用低压电器CH1主令控制器第六节主令电器Date:2020/2/8Page:12常用低压电器CH1行程开关第六节主令电器Date:2020/2/8Page:13常用低压电器CH1接近开关第六节主令电器Date:2020/2/8Page:14常用低压电器CH1本章小结开关电器、主令电器、接触器、继电器、熔断器等低压电器的作用、结构、工作原理；低压电器图形和文字符号；每种低压电器的技术参数；低压电器的使用和选择方法。Date:2020/2/8Page:15常用低压电器CH1