本型開關柜可用于單母線及單母線帶旁路系統中，為全封閉結構，適用于3.6-12kv三相交流50Hz系統中作為接受和分配電能之用,特別適用于頻繁操作的場所。柜內不采用任何形式的絕緣隔板，空氣絕緣距離大于125mm；采用大爬距型的絕緣套管使開關柜具有較高的絕緣強度和穩定性。本開關柜符合IEC298和GB3906-91等標準的要求，并采用圓盤式五防操作機構使聯鎖裝置結構簡單，動作可靠。
The switch is suitable for system of single busbar and single-busbar by-pass. It is whole enclosed without any insulating parts in it. Air-insulating distance is >125mm.There is sufficient insulativity for the cubicle, big-creepage insulation casing, road-plate five protections and reliable operation. The switch applies to accepting and distributing power in the system of A.C50Hz three phases 3.6-12kV. It is suitable for the cases of frequent operating.
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