常用低压电器名词术语中英文对照

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。