剩(Sheng)余(Yu)电(Dian)流(Liu)互(Hu)感(Gan)器(Qi)选(Xuan)型(Xing)主(Zhu)要(Yao)根(Gen)据(Ju)线(Xian)缆(Lan)的(De)型(Xing)式(Shi)和(He)额(E)定(Ding)电(Dian)流(Liu)进(Jin)行(Xing)选(Xuan)型(Xing)。(?)线(Xian)缆(Lan)式(Shi)剩(Sheng)余(Yu)电(Dian)流(Liu)互(Hu)感(Gan)器(Qi)可(Ke)以(Yi)用(Yong)于(Yu)额(E)定(Ding)电(Dian)流(Liu)250A以(Yi)下(Xia)的(De)电(Dian)缆(Lan);铜(Tong)排(Pai)式(Shi)剩(Sheng)余(Yu)电(Dian)流(Liu)灾(Zai)互(Hu)感(Gan)器(Qi)主(Zhu)要(Yao)用(Yong)于(Yu)额(E)定(Ding)电(Dian)流(Liu)在(Zai)0-2000A的(De)铜(Tong)排(Pai)或(Huo)电(Dian)缆(Lan)。(?)
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