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熔斷器

熔斷器的組成及作用_熔斷器文字圖形符號

發布日期：2022-10-11 點擊率：462

熔斷器主要由熔體和安裝熔體的絕緣管組成。使用時，熔體串接于被保護的電路中，當電路發生短路故障時，熔體被瞬時熔斷而分斷電路，起到保護作用。熔斷器在電路中主要起短路保護作用。

圖1 熔斷器圖形符號 

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