Therefore, we should correct choice contactor.

因此，应正确选择接触器。

This restriction is due to the coil of the contactor used.

此限制是由于所使用的接触器的线圈。

Contactor products compound silver contactor of various materials.

各种材料复合银触点。

A new type of intelligent hybrid arcless AC contactor was introduced.

介绍了一种新型的智能混合式无弧交流接触器。

After the closing operation the closing contactor sometimes cannot recover.

有时合闸操作完成后合闸接触器仍不能返回。