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| 用途 Application |
| Ⅱ GM系列隔离开关作为采煤机的负荷开关,适用于交流50Hz,额定电压1140V,电流分别为250A\300A\400A的电路中,作为无载合分电路之用,在采镁机出现堵转或其他紧急情况时能带负荷切断电源. |
| Ⅱ GM Series isolation switch is applied as load switch for cal cutter ,is applicable to circuit with AC50Hz,rated voltage 1140V,current 250A and 300A as no-load connecting and disconnectiong circuit ,when block or other emergency situation appear to the coal cutter,it can cut off the power supply with load | |
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