弧触头用耐弧金属材料制成，是一种常用的电器元件，多与主触头配合使用。
弧触头 arcing contact 注:弧触头也可兼作主触头,也可以把弧触头设计成一个单独的触头,使它比其它触头后断开 和先闭合,以保护 其它触头免受伤害.
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主要对均压环、弧触头、主触头、喷口等结构进行了优化及分析，分别进行了讨论。并且进行了综合优化。
The structures of the electric field shielding ring, arc contact, main contact and nozzle etc. have been optimized, analysed and discussed respectively, and they are optimized synthetically at last.
通过一起SF6断路器的爆炸事故分析，以及在断路器特性参数上发现问题的研究，论述了SF6断路器灭弧触头结构形式的重要性。
Through analyzing the explosion accident of SF6 CB, and studying the characteristic data of the CB, the importance of the structure form of SF6 CB VI contactors is discussed.
作为评价触头的性能，不能单一地比较其燃弧时间的长短，尚应全面评价其分断电弧能量和材料侵蚀率。
When we evaluate the property of contact materials, we should not only compare thier arc time, but also compare thier erosion rate of materials and arc energy.
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