额定频率(Rated Frequency)(Hz): 欠压脱扣器 ( Undervoltage release ) 额定绝缘电压(Rated insulation voltage Ui)(V): 额定冲击耐受电压(Rated impulse wi..
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... 欠压释放 under voltage release 欠压释放器 undervoltage release 欠压试验 under voltage test ...
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Testing undervoltage release 欠压脱扣器测试
undervoltage no-close release [电] 低电压不闭合释放装置
undervoltage noclose release 欠压无闭合断路器
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