安装，更换和修复照明灯具和电气控制及配电设备，如开关，继电器和断路器面板。
Install, replace and repair lighting fixtures and electrical control and distribution equipment, such as switches, relays and circuit breaker panels.
对开关柜、断路器继电器的配位是否正确进行测试并设置。
Test and set switch gear and circuit breaker relays for proper coordination.
当继电器动作时，一个或多个接触器动作且给断路器的脱扣线圈通电，从而将断路器断开。
When the relay operates, one or more contacts will operate and energize a trip coil in a Circuit Breaker and trip (open) the Circuit Breaker.
我们已知的假冒产品包括控制继电器，断路器，插座，漏电断路器和其他电器产品。
Such items known to be counterfeited include control relays, circuit breakers, receptacles, ground fault circuit interrupters and other electrical products.
继电器是保护系统的逻辑元件，它感知故障，并使断路器解扣电路带电和断路器打开触点。
Relays are the logic elements of a protection system which sense the fault and cause the circuit-breaker trip circuits to be energized and the breakers to open their contacts.
电动机过载保护通常采用继电器，而配电线路过载保护多采用断路器的长延时过电流脱扣器来完成。
Protection against motor over - load usually adopt thermal relay, but protection against line over - load usually adopt long delay over- current release of circuit- breaker.
介绍了剩余电流监视器与剩余电流断路器、剩余电流继电器的区别和联系。
The differences and relation between the residual current monitor, residual current operated circuit breaker and residual current operated protective relay were introduced.
故障诊断系统依据保护继电器和断路器的采样信息估计电力系统中故障段的位置。
The diagnostic system can be applicable to power system control center for fault section estimation using information of relays and circuit breakers.
介绍在仿真变电站断路器控制回路仿真设计中，如何利用双位置继电器解决断路器机构触点仿真设计的问题。
It is described in this paper that how to use two-position relay to solve simulation design of contact of CB in control circuit of simulation substation.
利用数字显示时间继电器、交流接触器、断路器以及电阻性负载设计了一个简易的触头材料实验电路。
The simple experimental circuit contact material is designed using time relays with digital display, contactors, switchgear and resistive load.
介绍了一种具有热过载报警不脱扣功能的CM 3塑料外壳式断路器，其将热过载继电器的部分功能与MCCB的功能有机地结合在一起。
CM3 molded case circuit breaker (MCCB) with thermal overload alarm but non-release function was introduced. It integrates part function of thermal overload relay and function of MCCB.
保护继电器是一个传感装置，感官的过错，确定其位置，然后发送命令关闭其旅行线圈到正确的断路器。
The protective relay is a sensing device, which senses the fault, determines its location and then send command to the proper circuit breaker by closing its trip coil.
从后得到的保护继电器命令断路器，只有断开故障因素。
The circuit breaker after getting command from the protective relay, disconnects only the faulted element.
本开关柜为金属封闭箱式结构，柜内分为断路器室、母线室、电缆室、继电器室。
Switchgear for the closed metal box-type structure of the circuit breaker cabinet is divided into rooms, bus room.
公司主要生产接触器、继电器和断路器等低压电器产品。
Our main products are contactors, overload relays and breakers.
开关柜包括真空断路器，仪表，继电器等。
The switchgear includes vacuum circuit breakers, meters, relays, etc.
KA5为跳闸报警继电器。当设备产生偏励磁、可控硅故障、过电流等故障时，KA5吸合，断路器分励线圈得电跳闸，切断主电源。
When there are bias excitation, controllable silicon failure, over current and other failures, KA5 gets absorbed and breaker loop trips by powered on so as for switching off main power supply.
建筑供配电设备、高低压开关柜、变压器、断路器、继电器、各种开关等；
Variable distribution equipment, high and low power switchgear, transformer, breaker, relay, switch;
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。
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。
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.
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