In the process of connecting and breaking the circuit, electrical contactor comes under electrical erosion, so that it can't normal work.

在闭合和断开的过程中触头受到电侵蚀是导致其不能正常工作的主要原因。

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The contactor and relay crusts made of this materials had good flame retardancy and electrical insulation, and its quality had been recognized by customer.

用该材料制备的接触器、断路器外壳具有良好的阻燃性能及电绝缘性能，产品质量已得到了客户的认可。

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The experiment result shows that the intelligent AC contactor has merits of energy saving, decreasing noise and increasing electrical life.

实验结果表明，该智能交流接触器具有节能、降噪和提高电寿命的优点。

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