6FC5112-0EA03-0AA0分销商
6FC5112-0EA03-0AA0分销商
6SN1118-0DM11-0AA1经销商
6EW1861-2AB代理商
6SL3040-0JA00-0AA0现货
选择熔断器时应遵守的原则:1)根据使用条件确定熔断器的类型。2)选择熔断器的规格时,应首先选定熔体的规格,然后再根据熔体去选择熔断器的规格。3)熔断器的保护特性应与被保护对象的过载特性有良好的配合。4)在配电系统中,各级熔断器应相互匹配,一般上一级熔体的额定电流要比下一级熔体的额定电流大2~3倍。5)对于保护电动机的熔断器,应注意电动机起动电流的影响,熔断器一般只作为电动机的短路保护,过载保护应采用继电器。6)熔断器的额定电流应不小于熔体的额定电流;额定分断能力应大于电路中可能出现的最大短路电流。
[福州卓凯电子科技有限公司 公司聯络人:小李(销售工程师)]
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