1、 Voltage and frequency

1.額定性能額定工作電壓（Ue）

1. Rated performance rated working voltage (UE)

額定性能設備的額定工作電壓是電壓值，它與額定工作電流相結合，決定了設備的應用以及相關測試和使用類別的參考。

The rated working voltage of the rated performance equipment is the voltage value, which is combined with the rated working current to determine the application of the equipment and the reference of the relevant test and use category.

2.額定性能額定絕緣電壓（Ui）

2. Rated performance rated insulation voltage (UI)

額定性能設備的額定絕緣電壓是介電測試電壓和爬電距離所參考的電壓值。在任何情況下，額定工作電壓的*大值都不得超過額定絕緣電壓的大值。

The rated insulation voltage of rated performance equipment is the reference voltage value of dielectric test voltage and creepage distance. In any case, the maximum value of rated working voltage shall not exceed the maximum value of rated insulation voltage.

3.額定性能額定沖擊耐受電壓（Uimp）

3. Rated performance rated impulse withstand voltage (Uimp)

額定性能設定的規定形式和極性的沖擊電壓的峰值，在規定的試驗條件下能夠承受無故障，并且參考間隙的值。

The peak value of impulse voltage in specified form and polarity of rated performance setting can withstand no fault under specified test conditions, and reference the value of gap.

4.額定性能額定頻率

4. Rated performance and rated frequency

額定性能設計設計的供電頻率以及其他特征值對應的供電頻率。

Power supply frequency of rated performance design and power supply frequency corresponding to other characteristic values.

二.額定性能電流

2、 Rated performance current

⑴額定性能額定不間斷電流（In）

(1) rated performance rated uninterrupted current (in)

額定性能斷路器的額定不間斷電流是斷路器在不間斷工作期間可以承載的電流值。

The rated uninterrupted current of rated performance circuit breaker is the current value that the circuit breaker can carry during uninterrupted operation.

⑵額定性能額定剩余工作電流（IΔn）

(2) rated performance rated residual working current (I) Δ n）

額定性能這是r.m.s.制造商分配給CBR的正弦剩余工作電流值，CBR應在規定條件下工作。

Rated performance this is the sinusoidal residual working current value assigned to the CBR by the r.m.s. manufacturer and the CBR shall operate under specified conditions.

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