ABB 施耐德

<p><span style="font-family: &quot;Times New Roman&quot;; color: #333333; font-size: 10.5pt; mso-fareast-font-family: 宋體; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA" lang="EN-US">SC6</span><span style="font-family: 宋體; color: #333333; font-size: 10.5pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">負(fù)荷開(kāi)關(guān)</span><span style="font-family: 宋體; font-size: 10.5pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">是用于二次變電站中壓開(kāi)關(guān)設(shè)備的三工位氣體絕緣室內(nèi)負(fù)荷開(kāi)關(guān)。</span><span style="font-family: &quot;Times New Roman&quot;; font-size: 10.5pt; mso-fareast-font-family: 宋體; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA" lang="EN-US">SC6</span><span style="font-family: 宋體; font-size: 10.5pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">負(fù)荷開(kāi)關(guān)有以下三種狀態(tài)：合閘、分閘、接地。有兩種操作機(jī)械裝置：?jiǎn)螐椈刹賱?dòng)機(jī)構(gòu)和雙彈簧操動(dòng)機(jī)構(gòu)。雙彈簧操動(dòng)機(jī)構(gòu)以熔絲、線圈或按鈕作為跳閘裝置。電動(dòng)機(jī)構(gòu)可以加在以上兩種型號(hào)的操作機(jī)構(gòu)中。開(kāi)關(guān)外殼安設(shè)兩個(gè)熱塑性材料的窗口以便觀察。用</span><span style="font-family: &quot;Times New Roman&quot;; font-size: 10.5pt; mso-fareast-font-family: 宋體; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA" lang="EN-US">SF6</span><span style="font-family: 宋體; font-size: 10.5pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">氣體作為絕緣介質(zhì)，氣壓是</span><span style="font-family: &quot;Times New Roman&quot;; font-size: 10.5pt; mso-fareast-font-family: 宋體; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA" lang="EN-US">1.4bar</span><span style="font-family: 宋體; font-size: 10.5pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">。每個(gè)負(fù)荷開(kāi)關(guān)都是終生密封和免維護(hù)的（大約</span><span style="font-family: &quot;Times New Roman&quot;; font-size: 10.5pt; mso-fareast-font-family: 宋體; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA" lang="EN-US">30</span><span style="font-family: 宋體; font-size: 10.5pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">年）。氣壓監(jiān)測(cè)可另外選購(gòu)。負(fù)荷開(kāi)關(guān)的機(jī)械壽命是</span><span style="font-family: &quot;Times New Roman&quot;; font-size: 10.5pt; mso-fareast-font-family: 宋體; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA" lang="EN-US">5000</span><span style="font-family: 宋體; font-size: 10.5pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">次合</span><span style="font-family: &quot;Times New Roman&quot;; font-size: 10.5pt; mso-fareast-font-family: 宋體; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA" lang="EN-US">-</span><span style="font-family: 宋體; font-size: 10.5pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">分和</span><span style="font-family: &quot;Times New Roman&quot;; font-size: 10.5pt; mso-fareast-font-family: 宋體; mso-font-kerning