適用范圍 |
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BKD9-400Z饋電開關(guān)適用于煤礦井下及其周圍介質(zhì)中有甲烷、煤塵等性混合物氣體的環(huán)境中,在交流50Hz,額定電壓為660V或1140V,額定電流至400A的線路中,作為供電系統(tǒng)的總開關(guān)或分支開關(guān),也可作為大容量電動機不頻繁起動用。饋電開關(guān)具有過載、短路、欠壓、漏電閉鎖保護,Ⅰ型外接檢漏繼電器時,具有漏電保護;Ⅱ型具有選擇性漏電保護及短路試驗和漏電試驗功能。 |
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主要技術(shù)參數(shù) |
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李峰 :18653873069QQ:1178009081郵箱:sdtsksjx@163.com
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