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型號(hào)
:天水2098-DSD-HV030 AB伺服驅(qū)動(dòng)器 羅克韋爾怎么樣
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Allen Bradley 伺服驅(qū)動(dòng)器 2098-DSD-HV220-SE
Allen Bradley 伺服驅(qū)動(dòng)器 2098-DSD-HV150
Allen Bradley 伺服驅(qū)動(dòng)器 2098-DSD-HV100-DN
Allen Bradley 伺服驅(qū)動(dòng)器 2098-DSD-HV050X-DN
Allen Bradley 伺服驅(qū)動(dòng)器 2098-DSD-HV050X
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Allen Bradley 伺服驅(qū)動(dòng)器 2098-DSD-HV030X-DN
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Allen Bradley 伺服驅(qū)動(dòng)器 2098-DSD-HV030-DN
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Allen Bradley 伺服驅(qū)動(dòng)器 2098-DSD-010X
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ALLEN BRADLEY 伺服驅(qū)動(dòng)器 2098-DSD-HV150-SE
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ALLEN BRADLEY 伺服驅(qū)動(dòng)器 2098-DSD-HV030-SE
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:天水2098-DSD-HV030 AB伺服驅(qū)動(dòng)器 羅克韋爾怎么樣一些居民住宅供電線路無保護(hù)中性線，這種供電系統(tǒng)的家用電器設(shè)備在使用中容易發(fā)生觸電事故。如下圖所示為一種采用門鈴集成電路CW9300制作的漏電報(bào)警器電路，當(dāng)插入三眼插座的設(shè)備漏電時(shí)，泄漏電流從電源相線流經(jīng)電器外殼到達(dá)插座地線端，再經(jīng)報(bào)警器回到電源中性線構(gòu)成回路。經(jīng)R1降壓、二極管VD整流后的脈沖電流使報(bào)警器發(fā)聲。該電路的泄漏報(bào)警電流小于0.5mA，電路中HA為壓電蜂鳴片。本電路適用于居民住宅供電系統(tǒng)無保護(hù)中性線的家用電器設(shè)備作漏電報(bào)警。
