常用低压电器名词术语中英文对照

一、断路器类       Circuit Breaker  

Definition:A circuit breaker is anautomatically operated electrical switch designed to protect an electricalcircuit from damage caused by overload or short circuit.       

主要涉及词汇、短语    Related words and phases

 Electrical life                 电气寿命

 Mechanical life               机械寿命

 Dielectric strength            介电强度，绝缘强度

 rated coil voltage             额定线圈电压

 Contact form                 触点形式

 Contact material              触点材料

 contact rating                 触点容量

 Coil power                   线圈功率

 Pulse width                  脉冲宽度，脉冲持续时间

 Pick-up voltage               接触电压，起始电压

 Drop-out voltage              开断电压

 Contact resistance            接触（接点）电阻，瞬变电阻

 Insulation resistance          绝缘电阻

 Operation temperature        工作温度

 Input voltage                 输入电压

 Input current                 输入电流

 Isolating power               隔离能力

 Rated voltage                额定电压

 Rated current                额定电流

 rated operational current      额定工作电流

 rated operational voltage      额定工作电压

 arc extinction                灭弧

 nominal insulation voltage     额定绝缘电压

 rated insultating voltage       额定绝缘电压

 Short-circuit delay protection  短路延时保护

 Short-circuit protection       短路保护

 Overload  protection        过载保护

 lack voltage protection       欠电压保护

 Thermal relay               热继电器

 thermal overload relay        热过载继电器

 intermediate relay           中间继电器

 contactor relay              接触器式继电器

 time relay                   时间继电器

 short-circuit current          短路电流(SCC)

 low voltage circuit breaker    低压断路器

 high voltage circuit breaker   高压断路器

 magnetic circuit breaker      磁断路器

 trip breaker                 行程断路器

 standards and certification    执行标准以及证书

 alternating current(AC)       交流电

 direct current(DC)            直流电

 pollution grade               污染等级

 IP code                     防护等级

 Protecting class             防护等级

 Sea level elevation           海拔高度

 Ambient air temperature      周围空气温度

 Relative air humidity(RH)     空气相对湿度

 Transportation and storagecondition  运输及存储条件

 Impact and vibration          冲击与振动

 Economic principle           经济原则

 Safety principle              安全原则

 Breaking ability              分断能力

 Injection                    注塑

 Punching                   冲压

 Operation principle figure     工作原理图

 Technical parameter         技术参数

 Dimension and mounting      外型及安装

 Type and specification        型号规格

 Mechanical data             机械参数

 Installation mode            安装方式

 Terminal connection capacity  端子接线能力

 Case width                  外壳宽度

 Two-pole                    两极

 Single pole                   单极

 Pole No.                     极数

 Installation dimensions         安装尺寸

 Case grade rated current       壳架等级电流

 Characteristic curve            特征曲线

万能式断路器          Air Circuit Breaker(ACB)

Ratedwords and phases

• Powerdistribution             配电

• Smallvolume                 体积小

• Single-phaseearthing/ground protection 单相接地保护

• Modularization               模块化

• Intelligentize                  智能化

• Instantaneousrelease          瞬时脱扣

• Environmentfriendly           环境友好型

• Environmental                环保的

• Releasetype                  脱扣类型

• Characteristiccurve            曲线特性(同前面翻译都存在)

• PowerFrequency Voltage-Withstand Test     工频耐压试验

• Leakageacting current         漏电动作电流

• Rangeof break-off             动作电流范围

• Pureelectromagnetic type      纯电磁式

• Ratedshort circuit broken capability 额定短路分断能力

• Powerfactor                  功率因数

• Trippingcurre                 脱扣曲线

塑料外壳式断路器      Moulded Case Circuit Breaker(MCCB)

• Operationperformance                         运行特性

• Operationalcurrent of magnetic release          运行电流的磁释放

Ø  Arcing-overdistance                           飞弧距离  

• Designcode                                   设计序号

• Breakingcapacity grade code                    分断能力等级代号

• Ratedcurrent of frame                          壳架等级电流（此种翻译也存在）

• Smallvolume, high breaking capacity and short flash-over distance

小体积，高分断能力，飞弧距离小

• Moreconvenient and easier to mount function accessories.

更方便以及容易安装功能附件(翻译仅供参考)

塑料外壳式漏电断路器  Residual Current CircuitBreaker(RCCB)

• Residualoperating current range       剩余动作电流动作范围

• Ratedleakage motion current          额定漏电动作电流

• Ratedleakage non-motion current      额定漏电不动作电流

• Breakingtime                        分断时间

• Ratedconditional short circuit current   分断能力

• Breakingcapacity                    分断能力（两种表达都有见到，各位参考下）

• Ratedoperating current                额定动作电流

• AdoptIEC standard DIN rail            采用IEC标准导轨安装

• Application                           主要用途

• Residualcurrent characteristics         剩余电流特性

• Ratedresidual operating current        额定剩余动作电流

• Trippingduration                      脱扣时间

• Highshort-circuit current withstand capacity.

高短路分断能力（翻译仅供参考）

• Equippedwith finger protected connection terminals.

触电保护功能（翻译仅供参考）

• It is provided with contact shape indictor.

具有触头状态指示器

• Multiple leakage operating current type, easyto realize selective protection.

多种漏电动作电流规格，容易实现选择性保护。

• Residual CurrentCircuit Breaker with Overcurrent Protection

带过电流保护漏电断路器  

小型断路器            Miniature Circuit Breaker（MCB）

• Currentfuse           电流熔丝

• Currentlimit fuse       限流熔丝

• Electiveclass          可选等级

• Workingtemperature    工作温度

• Ratedfrequency        额定频率

• Ratedshort-circuit making capacity  额定短路分断能力

Ø  Ratedwithstand current  额定耐受电流

Ø  Electro-mechanicalendurance机电寿命

• Connectioncapacity     连接能力  

• Panelmounting         配电盘装配

• Contactposition indication 接触位置指示

Ø  Applicableto terminal and pin/fork type bus bar connection

可用语终端和针形/叉形汇流排连接   

• Screwterminal         螺旋式接线柱，螺丝接线端

Ø  Fasteningtorque                      紧固圈

• Novelstructure                        结构新颖

电涌保护器            Surge Protective Device(SPD)

• Voltageprotection level up              电压保护水平

• Nominaldischarge current               标称放电电流

• Maximumdischarge current              最大放电电流

• Responsetime                         响应时间

• Teststandard                          测试依据

• Thecross section of L/N line             接入导线载面积L/N

• Thecross section of PE line              接入接地线载面积PE

• Materialof outer covering                外壳材料

• Relativehumidity                        相对湿度

• Standardrail                            标准导轨道

• Fiberglass reinforced plastic              玻璃纤维增强塑料

• Bandwidth                              频带宽度

• Impedance                              阻抗

• Microwave type                         微波类

• Horsepower/power                      功率

• Insertionloss                            插入损耗

• Dynamicresidual voltage                 动态残压

• Stationarywave ratio                     驻波比

产品特点       product feature

• Couldbe replaced for the module not need power cut.

无需停电即可更换保护器单元

• Maximumcurrent of endure the lightning stroke 20KA

最高可承受20KA雷电流冲击

• Timeof response < 25ns

动作响应时间小于25纳秒

• Thecolor of visible window shows operating status, green means normal, red meansabnormal.

可视窗品颜色表示保护的工作状态绿色（正常）、红色（故障）

• Insideover-current and over-heat protection, temperature control open circuit.

内置过流过热，温控断路技术

• Moduledesign, convenient installation, could be replaced online.

模块设计，安装方便，可在线更换

• Smallnessleak current, response quickly, less residual voltage.

残压低，响应时间快，漏电流小

• Newtechnology, highly energy, clearance discharge pole.（N-PE）

新技术制作，高能量，间隙放电电极。（N-PE）

• Doubleprotection of over-heat and over-current.

热熔过流双重保护

• Havethe accessory of remote signaling interface, could be remote control.

配置遥信接口，能实现远程控制

• Largedischarge capacity and could be repeated using by being lightning stroke

通流量达，雷击后可反复使用

• Smallstationary wave ratio, litter insertion lose.

驻波比小，插入损耗低

• Convenientinstallation made by standard interface.

标准接插件，安装更方便

• Multi-functionover-voltage protection, simple structure, less residual voltage, rapidtransmission rate.

多功能电涌过压保护，具有结构紧凑，低残压，信号传输优越。

• Applicablefor combination video signal and AC power.

适用于视频信号和交流电源组合使用

• Convenientinstallation, maintenance simply, LED indication.

安装方便，维护简单，电源防雷实效LED指示

• Monitorvideo with cradle head.

• 带云台摄像机保护

汇流排                Bus Bar                         

终端箱                Terminal Case

配电箱                DistributionBox

Mastercarton size                            外箱尺寸

Protectiondegree                             防护等级

二、接触器类           contactor

Definition: Acontactor is an electrically controlled switch used for switching a powercircuit, similar to a relay except with high current ratings.

交流接触器            AC Contactor

直流接触器            DC Contactor

Powerof  controllable motor	可控电机功率
Frequencyof  operation	工作频率
Ratedinsulation  voltage of auxiliary contacts	辅助接点的额定绝缘电压
thermalcurrent  of auxiliary contact	辅助接点的热电流

三、继电器类           Relay

Definition:Arelay is an electricallyoperated switch.

Relaysare used where it is necessary to control a circuit by a low-power signal (withcomplete electrical isolation between control and controlled circuits), orwhere several circuits must be controlled by one signal.

Contactratings	触点参数
Dielectricstrength	介质耐压
Terminaltype	引出端方式
General-purposerelay	通用电磁继电器
Coilratings	线圈参数
Relaytype	继电器型号
Maxoperating  power	最大切换功率
Lifeexpectancy	寿命曲线
Dustproof	防尘
Controloutput	控制输出
Operatingtemperature	环境温度
Powerexpand	功耗

热继电器              Thermal Relay

A type of overload relay that connects aheater with a motor. A thermal relay protects a motor by shutting it down ifthe relay detects excessive heat.

Terminal  layout	枢纽布置图
Contact  capacity	接触容量，开关容量
Insulation  resistance	绝缘电阻
Coil nominal volt	线圈额定电压
ageMounting  methods	安装方法

热过载继电器          Thermal OverloadRelay

其它继电器            Other Relays

电动机保护继电器      Motor Protection Relay

Ambienttemperature	使用周围温度
Ambienthumidity	使用周围湿度

时间继电器            Time Relay

电磁继电器            Electromagnetic Relay

功率继电器            Power Relay

通用继电器            General-purposeRelays

延时继电器            Timer Relay

固态继电器            Solid State Relay

Onvoltage	通态压降
Offleakage  current	通态漏电流
On-offtime	断态时间
Mountingmethods	安置方式
Timingrange	定时范围

       

四、电源电器类     Power Supply Apparatus

变压器                Transformer

稳压器                Voltage Stabilizer    

Output  deviance	输出精度
Response time	响应速度
Waveform  distortion	波形失真
Regulating  speed	调压速度
Principle and  characteristic	原理与特点

电流互感器            Current Transformer

电压互感器            VoltageTransformer

限流互感器            Current LimitingTransformer

五、开关电器类     Switch  apparatus

刀开关                Knife  Switch

隔离开关              Isolating Switch

Relatedwords and phases

Single-poleswitch	单极刀开关
Double-poleswitch	双极刀开关
Three-poleswitch	三极刀开关
Single throw  switch	单投式刀开关
Double throw  switch	双投式刀开关
handle operate  switch	手柄直接操作式
leverage  switch	杠杆式刀开关
electrical  properties and mechanicalproperties	电气性能参数和机械性能
conventional  thermal current	额定发热电流
rated  surge-resisted voltage	额定冲击耐受电压
rated making  capacity	额定接通能力
rated short  current making capacity	额定短路接通能力
moment of  operation	操作力距
operation  environment	使用环境
XX series load isolation switch can workreliably under the  following condition	XX系列负荷隔离开关在下列条件下能可靠工作
Height about  level does not exceed 2000m	海拔高度不超过2000米
Ambient temperature is not higher than 40°C and not lower than  -5°C, relative humidity is not larger than 95%	环境温度不超过40度，不低于-5度，相对湿度不大于95%
No explosive  dangerous medium environment	无爆炸危险介质
No rain or  snow attack environment	无雨雪侵袭环境

负荷开关               Switch-disconnector,Load Switch

组合开关               Switch Group

行程开关               Position Switch

微动开关               Microswitch

脚踏开关               Floor Push, Footswitch, Foot Pedal

按钮开关               Push-Button switch

极限开关               Limited Switch

Ratedshort-circuit  connected ability	额定短路接通能力
Ratedshort-circuit  endurance current	额定短路耐受电流
Springreturn	回位弹簧
Pushbutton	按钮
Ratedheat  current	热电流

End