以下为句子列表：
英文: A circuit breaker is a protective device that automatically interrupts the current flowing through it when that current exceeds a certain value for a specified period of time.
中文: 线路断路器线路断路器是一个保护装置，当通过它的电流超过某个安全设定值一定时间后，它就能够自动切断电流。
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英文: After the discussion about the usage of Lighting distribution appliances close to the power source, this article suggests a proper circuit breaker be selected in the lighting power supply system to ensure a safe and reliable line operation.
中文: 摘要通过对接近电源处照明配电设备实际使用情况的讨论，提出了在照明供配电系统中，应选用适当的断路器，使得线路安全可靠地运行。
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英文: Air Circuit Breaker An air circuit breaker automatically interrupts the current flowing through it when the current exceeds the trip rating of the breaker.
中文: 空气线路断路器空气线路断路器的功能是当电流大小超过断路器的过流跳脱设定值后自动断开。
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英文: Chuantai Company is a high-tech enterprise that engaged in designing,developing, manufacturing and selling low-voltage air circuit breaker and leak-age circuit breaker and so on.
中文: 创泰公司是一家专业从事小型低压空气断路器、漏电断路器等系列产品设计、研制、开发、生产、销售于一体的高科技企业。
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英文: A statistical analysis to the failures of the distribution switchgear during 990～999 is made. The features of the SF and vacuum circuit breaker are analyzed. It then introduces some trends of the application of non oil high voltage switchgear.
中文: 本文介绍了中国电力系统配电电压等级开关设备的现状 ,统计分析了配电开关设备 990～ 999年的事故情况以及SF、真空开关设备的故障特点 ,指出了高压开关设备无油化的若干趋势。
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