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4、斷路器的額定運(yùn)行短路分?jǐn)嗄芰Γ↖cn）的試驗程序為O—t—CO—t—CO。它比Icn的試驗程序多了一次CO，經(jīng)過試驗，斷路器能完全分?jǐn)?、熄滅電弧，就認(rèn)定它的額定運(yùn)行短路分?jǐn)嗄芰细瘛?

因此，可以看出，額定極限短路分?jǐn)嗄芰cn指的是低壓斷路器在分?jǐn)嗔藬嗦菲鞒鼍€端最大三相短路電流后還可再正常運(yùn)行并再分?jǐn)噙@一短路電流一次，至于以后是否能正常接通及分?jǐn)啵瑪嗦菲鞑挥枰员ＷC；而額定運(yùn)行短路分?jǐn)嗄芰cs指的是斷路器在其出線端最大三相短路電流發(fā)生時可多次正常分?jǐn)?。廈門韋爾克電氣有限公司 聯(lián)系人：楊帆  聯(lián)系電話：13358371730 座機(jī)：0592-6085900  傳真：0592-6087118   QQ:2921696645 郵箱：2921696645@qq.com
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塑殼斷路器NZM
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NZMH1-S80
NZMH1-S100
NZMB1-M40
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NZMB1-M63
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NZMB1-M100
NZMC1-M40
NZMC1-M50
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NZMC1-M100
NZMN1-M40
NZMN1-M50
NZMN1-M63
NZMN1-M80
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NZMN2-4-VE100
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NZMN2-S125
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NZMB2-M125
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NZMS2-M40
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NZMS2-M160
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NZMH2-M200
NZMN2-ME90
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