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ABB电磁软启动器的选型
酒店工程、适用于直接启动笼型异步电动机的电器有负荷开关、小容觅塑料外壳式断路器和电磁ABB软启动器,但以电磁ABB软启动器用得醉为广泛。
负荷开关不能提供过载保护,一般不宜用它启动和控制异步电动机。如果非用不可,则开启式负荷开关只宜用于启动7.5kW以下的电动机,封闭式负荷开关只用于启动28kW以下的电动机塑料外壳式断路器因其技术性能比较优良,可用于启动电动机。
选用ABB软启动器时应考虑ABB软启动器与短路保护电器的协调配合。通常选用熔断器作为短路保护电器,熔断器应安装于ABB软启动器的电源一侧(综合ABB软启动器除外,其内部已装有熔断器,一般ABB软启动器应按制造厂要求选配合适的熔断器)。熔断器不应代替ABB软启动器分断正常工作时醉大过载电流及以下的所有电流(包括电动机的堵转电流),但应能分断安装点的预期短路电流。
| 物料描述 |
| PSTX30-600-70 |
| PSTX37-600-70 |
| PSTX45-600-70 |
| PSTX60-600-70 |
| PSTX72-600-70 |
| PSTX85-600-70 |
| PSTX30-690-70 |
| PSTX37-690-70 |
| PSTX45-690-70 |
| PSTX60-690-70 |
| PSTX72-690-70 |
| PSTX85-690-70 |
| PSTX105-600-70 |
| PSTX142-600-70 |
| PSTX170-600-70 |
| PSTX210-600-70 |
| PSTX250-600-70 |
| PSTX300-600-70 |
| PSTX370-600-70 |
| PSTX105-690-70 |
| PSTX142-690-70 |
| PSTX210-690-70 |
| PSTX250-690-70 |
| PSTX170-690-70 |
| PSTX300-690-70 |
| PSTX370-690-70 |
| PSTX470-600-70 |
| PSTX570-600-70 |
| PSTX720-600-70 |
| PSTX840-600-70 |
| PSTX470-690-70 |
| PSTX570-690-70 |
| PSTX720-690-70 |
| PSTX840-690-70 |
| PSTX1050-600-70 |
| PSTX1250-600-70 |
| PSTX1050-690-70 |
| PSTX1250-690-70 |
| 1SFA898103R7000 |
| 1SFA898104R7000 |
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| 1SFA898120R7000 |
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1SFA898221R7000 |

