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GCK低壓抽出式開關柜廣泛應用于發電廠，變電所，廠礦企業和高層建筑的動力配電中心PC和電動機控制中心MCC，作為交流50-60Hz，額定工作電壓為660V及以下，額定電流為4000A及以下的發、供電系統中配電、電動機集中控制，無功補償使用的低壓成套配電裝置。
主要技術參數：

額定絕緣電壓：交流660V，交流1000V 額定工作電壓：交流 380 V ，交流660 V 額定頻率：50Hz 水平母線額定電流：1250~4000A 垂直母線額定電流：1000A 饋電電路zui大電流：2500A 抽屜回路zui大電流：500A 控制電機zui大容量：320KW 水平母線峰值耐受電流(0.1S)：63KA、105KA、176KA 水平母線短時耐受電流(1S）：30 KA、50 KA、80 KA、100 KA 垂直母線峰值耐受電流(0.1S）：63 KA、105 KA 垂直母線短時耐受電流（1S）：30 KA、50 KA  額定工頻耐受電壓（1min）：2500V 二次工頻耐受電壓（1min）：2500V 防護等級：IP30、IP40 外型尺寸寬*深*高mm：600（800、1000）*800（1000）*2200 
產品使用環境：

1、周圍空氣溫度不高于+40℃，不低于-5℃，24h內的平均溫度不得高于+35℃，超過時，需根據實際情況降容運行；
2、戶內使用：使用地點的海拔不得超過2000m ；
3、周圍空氣相對溫度為+40℃時不超過50%，在較低溫度時允許有較大的相對溫度，如+20℃時為90%，應考慮到由于溫度的變化可能會偶然產生凝露的影響；
4、裝置安裝時與垂直面的斜度不超過5℃，且整組柜列相對平整(符合GBJ232-82標準)；
5、裝置應安裝在無劇烈震動和沖擊以及不足以使電器元件受到不應有腐蝕的場所；
6、用戶有特殊要求可以與制造廠協商解決。