Vacuum breakers fail supposing that leaks permit air to enter the interrupting chamber.
假如空气通过裂痕进入灭弧室，真空断路器就失灵。
Simplified design: Vacuum breakers and contactors are simpler in design than original air break devices.
被简化的设计：真空破碎机和接触器是简单在设计比原始的空气断裂设备。
The TK-DL can test pressure vacuum breakers, reduced pressure backflow preventers or double check valve assemblies.
TK - DL可以检测压力真空断路阀，减压防回流阀或双止回阀总成。
Series 8 is a line of unique vacuum breakers specially made to permit the attachment of portable hoses to hose thread faucets.
系列8是一种独特的真空断路阀，专用于使移动式软管连接到软管螺纹上。
Now, Engineered Enclosures are available specifically for pressure vacuum breakers with telescoping design for varied valve height.
我们公司设计的这款真空断路器外壳，可用于不同高度的阀门使用。
Designed to test pressure vacuum breakers, reduced pressure backflow preventers or double check valve assemblies, allowing you to eliminate both pressure and differential test gauges.
适用于检测压力真空断路阀，减压防回流阀或双止回阀总成，不再需要压力表和压差表。
We want to cooperate with your company for your company provide matching vacuum circuit breakers and vacuum contactors.
我们想与贵公司开展合作，为贵公司提供配套的真空断路器和真空接触器。
Reduced maintenance: Over the extended life of the equipment, vacuum retrofits can reduce maintenance by as much as 60% according to a recent study comparing vacuum to air magnetic 15-kv breakers.
被减少的维护：在设备的延长的生活期间，真空式样翻新可能减少维护尽量60%根据一项最近研究比较真空与空气磁性15 - kv破碎机。
The technical performance and development of low voltage vacuum circuit breaker is discussed as compared with high voltage vacuum circuit breakers and ME series low voltage circuit breakers.
通过与高压真空断路器和ME系列低压断路器对比，论述了低压真空断路器的经济和技术性能以及发展前景。
SMVS mainly engages in developing and manufacturing medium voltage vacuum interrupters (VI), vacuum circuit breakers (VCB) and gas insulated switchgear (GIS) as well as after sales services in China.
公司在中国主要从事陶瓷真空灭弧室、真空断路器、气体绝缘开关柜及相关产品的开发、制造、市场销售及技术售后服务。
The stability of charge power supply for the capacitance directly affects the reliability of operation of the vacuum circuit breakers.
电容充电电源的稳定性直接影响到真空断路器动作的可靠性。
The permanent magnet actuator, as the new operation system of vacuum circuit breakers, is the key to the transformation from mechanical actuation to electronic actuation.
永磁操动机构是新一代真空断路器的操作系统，是由机械操动向电子操动转变的关键。
With the apearance of optical control of module vacuum circuit breakers, some requirements on the capacitor charge power supply were raised.
随着光控模块式真空断路器的提出，对其中的电容充电电源提出了要求。
The on-line monitoring method for mechanical characteristics of vacuum circuit breakers is researched in this paper.
研究了真空断路器机械特性的在线监测方法。
All of components come from one brand, from vacuum circuit breakers, air circuit breakers, contactors, thermal relays, drives, PLC, I/O, PMS relays and meters, UPS, sensors and lighting fixtures.
所有元器件均来自一个品牌，包括真空断路器，空气断路器，电流接触器，热继电器，驱动，可编程控制器，输入输出模块，电站管理系统继电器和仪表，不间断电源，传感器和照明器材。
The switchgear includes vacuum circuit breakers, meters, relays, etc.
开关柜包括真空断路器，仪表，继电器等。
The research status of quick vacuum circuit breakers at home and abroad is analyzed, and the problems such as low efficiency and reliability of existing control mechanism are put forward.
分析研究了国内外快速真空断路器的研究现状，提出现有设计方案中可能存在的操纵机构效率及可靠性较低等问题。
Nowadays, Large quantities of VD4 Vacuum Circuit Breakers have been installed in the Power Station, and satisfactory effects have gained.
VD 4真空断路器已在电站获得了批量应用，取得了优异的使用效果。
Nowadays, Large quantities of VD4 Vacuum Circuit Breakers have been installed in the Power Station, and satisfactory effects have gained.
VD 4真空断路器已在电站获得了批量应用，取得了优异的使用效果。
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