國(guó)電南自psp 641ux備用電源自投裝置
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ii 段可設(shè)置為反時(shí)限
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ii 段可選擇告警或跳閘
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ii 段可設(shè)置為反時(shí)限
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告警或跳閘可選
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告警或跳閘可選
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可選裝
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20 路可選
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鎖差動(dòng)保護(hù)。這一功能可以兼作保護(hù)裝置交流采樣回路的監(jiān)視功能。