DZ47-63高分断小型断路器(空气开关)产品说明书

DZ47-63小型低压漏电断路器使用说明书1、小型低压漏电断路器用途DZ47LE漏电脱扣器与DZ47-63小型断路器拼装成漏电断路器，它适用于交流50HZ、额定电压到380V，额定电流到63A的电路中，作为人身触电和设备漏电保护之用，并且有过载、短路保护功能，也可以在正常情况下作为线路的不频繁转换之用。

当它兼有过电压保护功能时，除了以上功能外，还能对由于电网故障引起的电压过度升高（例如由于中心线错接、断开、三相负载不平衡引起的电压升高）进行保护。

2、小型低压漏电断路器正常工作条件2.1周围空气温度-5℃～+40℃,24H内平均值不超过35℃；2.2海拔：安装地点的海拔高度不超过2000M。

2.3大气条件安装地点的空气相对湿度在最高温度+40℃时不超过50%，在最湿月的月平均最低温度不起过+25℃,相对温度不超过90%。

2.4安装类别安装类别为II III级。

2.5污染等级：污染等级为2级。

2.6安装型式采用标准导轨安装。

3.小型低压漏电断路器产品型号的含义4、小型低压漏电断路器分类4.1按额定电流分：6A、10A、16A、20A、25A、32A、40A、50A 63A共九种。

4.2按极数分：单极两线、两极两线、三极三线、三极四线、四极四线。

4.3按保护种类分：有过载、短路及漏电保护；4.4按瞬时脱扣器特性分：C型、D型。

5、小型低压漏电断路器结构和工作原理5.1结构漏电断路器由CNPB1系列断路器和漏电脱扣器组装而成，其拼装过程参见拼装图。

漏电脱扣器主要由零序互感器、电子判别控制电路、脱扣器推标杆、试验按钮等组成。

5.2工作原理将漏电断路器手柄扳向ON位置时，通过机械机构带动动触头并与静触头可靠接触，接通电路、当线路发生过载故障时，过载电流使热双金属元件弯曲并推动扛杆使得机械锁定机构复位，动触头迅速离开静触头，从而实现分断线路的功能；当线路发生短路故障时，零序互感器输出的信号触发可控硅导通，漏电断路器在0.3S内切断电源，从而实现漏电保护功能；过压保护是利用分压原理取得过电压压信号触发可控硅导通，漏电脱扣器的铁芯动作，推杆推动断路器脱扣，使漏电断路器在0.3S内切断电源，从而实现过压保护功能。

注：①冷态指试验前8h 内没有带负载。

②热态指试验从冷态开始1.13In 负载进行1h 后的状态。

+5过电流脱扣特性t＜1h3序号脱扣类型额定电流In (A)试验电流 (A)脱扣时间t预期结果起始状态C.D C所有值所有值脱扣冷态124567≤63A ≤63A ≤32A ＞32At≤1h 1s＜t＜60s1s＜t＜120s t≤0.1s t＜0.1s 不脱扣脱扣不脱扣脱扣冷态热态冷态1.13In 1.45In2.55In 5In 10In 10In20InD C D 冷态4.3 大气相对湿度，在最高温度+40℃时不超过50%，在较低温度时可以有较高湿度，例如在 +20℃时,相对湿度为90%，由于温度变化发生在产品表面的凝露应该采取措施。

4.4 断路器使用地点的污染等级为2级。

4.5 断路器的安装类别通常为Ⅱ、Ⅲ类。

5 技术数据5.1 断路器过电压保护值Uvo=280V ±5%。

5.2 过电流脱扣特性:断路器在正常安装条件和基准环境温度30 ℃ 下的过电流脱扣特性应符合下表的规定。

1 用途DZ47-63E 小型断路器(以下简称断路器)主要用于交流50Hz ，额定工作电压为230V ,额定电流至63A,额定短路分断能力不超过6 000A 的配电线路中,作为过载、过压和短路保护用，亦可作为线路不频繁通断操作与转换之用。

断路器按GB10963.1设计、制造与检验。

2 产品型号及其含义 DZ 47 - 63 E带过电压保护壳架等级额定电流(A) 设计序号塑料外壳式断路器3 产品分类3.1 按极数分类有：1P+N 。

3.2 按额定电流分有：1，3，6，10，16，20，25，32，40，50，63A 。

3.3 按额定工作电压分有：230V 。

3.4 按瞬时脱扣器分：有C 型脱扣型式和D 型脱扣型式两种C 型用于配电保护，D 型用于电动机保护。

4 使用的标准工作条件4.1 周围空气温度应不低于-5℃，不高于+40℃，且其24h 内的平均温度值不超过+35℃。

德力西断路器使用说明（原创版）目录1.德力西断路器的选用和安装2.德力西断路器的质量和品牌保障3.德力西断路器的接线方法4.德力西断路器的型号和参数5.德力西断路器的使用注意事项正文德力西断路器是一种用于保护电路安全的设备，它可以在电路发生过载或短路时自动切断电源，防止电路过载和火灾事故的发生。

在选用和安装德力西断路器时，需要注意以下几点：首先，要根据电路的负载能力和使用环境来选择合适的断路器型号和规格。

一般来说，德力西断路器的选用要考虑到电路的额定电压、额定电流和断路能力等因素。

例如，对于电源电路，应选用机座 160A 断路器整定电流 80A 的型号，这样可以保证电路的安全运行。

其次，在安装德力西断路器时，要确保安装位置正确，并且接线牢固可靠。

一般来说，电源应接在断路器的电源侧（上端），负载应接在断路器的负载侧（下端）。

同时，在安装过程中，还需要检查断路器的外观和接线端子是否完好无损，以保证电路的安全运行。

德力西断路器的质量和品牌保障是消费者在选择产品时需要考虑的重要因素。

作为中国 500 强企业，德力西电气在产品质量和品牌形象方面都有着较高的保障。

德力西断路器采用优质的材料和先进的工艺制造，具有较高的可靠性和稳定性。

只要购买到正品，德力西断路器的质量是可以信赖的。

在接线德力西断路器时，需要按照接线图进行操作，确保接线正确无误。

一般来说，德力西断路器的接线比较简单，电源接在断路器的电源侧（上端），支路如果有断路器全部并联在总断路器的负载侧（下端）。

其支路断路器，分别接负载（用电器）。

德力西断路器的型号和参数是消费者在选择产品时需要关注的重要信息。

例如，德力西 dz47-63 小型断路器接线比较简单，适用于家用和工业用电。

而 CDM1 系列断路器则是一种高分断能力的断路器，适用于电源电路和工业用电路等。

在选择德力西断路器时，需要根据电路的实际情况和需要来选择合适的型号和参数。

在使用德力西断路器时，还需要注意以下几点：首先，要按照电路的实际情况和需要来选择合适的断路器型号和规格；其次，在安装和使用过程中，要确保接线牢固可靠，防止接线松动或短路；最后，要定期检查和维护断路器，确保其正常运行。

DZ47-63空气开关.pdf（DZ47-63微型断路器详细产品资料，下载时请右键另存为）该产品在选型时除了认准我工厂商标外。

需要注意的要点总结如下：一：适用范围DZ47-63高分断微型断路器(空气开关)适用于保护线路的短路和过载，适用于照明配电系统或电动机的配电系统，外型美观小巧、重量轻、性能优良可靠分断能力较高，脱扣迅速，导轨安装，壳体和部件采用高阻燃及耐冲击塑料，使用寿命长，主要用于交流50Hz，额定电压至400V，额定电流至63A线路的过载、短路保护，同时也可以在正常情况下不频繁地通断电器装置和照明线路。

本产品符合GB10963.1标准。

二：型号及含义介绍一些DZ47-63空气开关。

说明下：型号中的C是指照明保护，D是指电机保护三：DZ47-63小型断路器主要参数及技术性能按额定电流In分：1、2、3、4、5、6、10、15、16、20、25、32、40、50、60A。

按极数分：a.单极b.二极c.三极d.四极按断路器瞬时脱扣器的型式分：a.C型(5In ~10In)；b.D型(10In ~16In)。

技术参数：额定运行短路分断能力(见表1、表2)；；机械电气寿命。

a.电气寿命：不低于4000次；b.机械寿命：不低于10000次。

常见的型号有：空气开关DZ47-63/1p DZ47-63/2p DZ47-63/3p DZ47-63/4pDZ47-63/1P/C10 DZ47-63/1P/C16 DZ47-63/1P/C20DZ47-63/1P/C25 DZ47-63/1P/C32 DZ47-63/1P/C40DZ47-63/1P/C50 DZ47-63/1P/C63 DZ47-63/2P/C10DZ47-63/2P/C16 DZ47-63/2P/C20 DZ47-63/2P/C25DZ47-63/2P/C32 DZ47-63/2P/C40 DZ47-63/2P/C50 DZ47-63/2P/C63 DZ47-63/3P/C10 DZ47-63/3P/C16 DZ47-63/3P/C20 DZ47-63/3P/C25 DZ47-63/3P/C32 DZ47-63/3P/C40 DZ47-63/3P/C50 DZ47-63/3P/C63 DZ47-63/4P/C10 DZ47-63/4P/C16 DZ47-63/4P/C20 DZ47-63/4P/C25 DZ47-63/4P/C32 DZ47-63/4P/C40 空气开关DZ47-63/4P/C50 DZ47-63/4P/C63四：空气开关特性1.分断能力(见表1)2.DZ47-63空气开关过电流脱扣器保护特性(见表2)。

007DZ47-63系列小型断路器DZ47-63小型断路器，主要用于交流50Hz (或60Hz )，额定工作电压至400V ，额定电流至63A ，额定短路分断能力不超过6000A 的保护配电线路中，作为线路不频繁接通、分断和转换之用，具有过载、短路保护功能。

同时具有强大的辅助功能模块，如辅助触点、带报警指示触点、分励脱扣器、欠压脱扣器、远程脱扣控制等模块。

产品符合：GB/T 10963.1标准。

□ 温度：周围空气温度上限不超过+40℃，下限不低于-5℃，且24h 平均温度不超过+35℃。

□ 海拔：安装地点海拔高度应不超过2000m 。

□ 湿度：大气相对湿度在周围空气温度为+40℃时不超过50%，在较低温度下允许有较高的相对 湿度；例如在+20℃时达90%。

对由于温度变化偶尔产生在产品上的凝露应采取特殊的措施。

□ 污染等级：2级。

□ 安装条件：安装在无显著冲击，振动的场所，无危险（爆炸）的介质中。

□ 安装方式：采用TH35-7.5安装轨安装。

□ 安装类别：II 、III 级 。

□ 额定工作电压：230V/400V ( 单极为230/400V ，其余为400V ）；产品概述选型指南正常工作条件和安装条件产品分类008+5过电流脱扣特性：断路器在正常安装条件和基准环境温度300℃下，过电流脱扣特性符合表1的规定。

断路器的额定短路分断能力见表2。

表1表2订购断路器时，需指明下述各点：□ 产品型号和规格；□ 断路器的极数；□ 额定电流；□ 脱扣器类型；□ 订货数量。

例：订DZ47-63小型断路器额定电流为32A，1P，C型，1000台，应写为DZ47-63/1P，C32，1000台。

图4 外形尺寸与安装尺寸4P3P2P1P图5 安装轨尺寸主要技术数据外形及安装尺寸订货须知。

小型断路器DZ47-63小型断路器DZ47-63是一种广泛使用的电器保护设备，它能在接入电路中保护电器免受电流过载或短路的影响。

本文将介绍小型断路器DZ47-63的工作原理、分类、安装方法、使用注意事项以及市场应用情况等方面的内容。

工作原理小型断路器DZ47-63的工作原理基于热保护和电磁保护两种机制。

当电流超过额定值时，热保护机构将通过电器元件的热膨胀使得弹簧失去张力，从而使端子触点分离，切断电路。

而当电路中出现短路或过电流时，电磁保护机构则会触发电磁铁，使得触点间的耗能板迅速分离，切断电路。

这两种机制的相互作用可以有效地保护电器免受电流过载或短路的危害。

分类小型断路器DZ47-63的分类方式有很多，可以根据公称电流、极数、使用环境等来进行。

其中，最常见的分类方式是根据公称电流来进行，根据不同的公称电流可分为多个型号，如DZ47-63C1、DZ47-63C6等。

这些型号分别代表着额定电流不同的小型断路器。

安装方法小型断路器DZ47-63的安装方法主要分为两种，即挂壁式和导轨式。

挂壁式安装方式适用于一些场所空间较为狭小或者设备较为简单的情况，可以直接固定在设备上。

而导轨式安装方式则适用于一些对设备进行更加规范管理的场合，如机房、开发区等地方。

无论采用哪种安装方式，小型断路器DZ47-63的安装都需要经过专业人员的设计和施工，确保设备整体安装结构合理牢固，触点稳定可靠。

使用注意事项在使用小型断路器DZ47-63时，需要注意以下几点：1.选用正确的额定电流，不得超过电器额定负载值。

2.断路器应安装在带有温度和湿度控制的干燥合适的环境中。

3.定期检查和维护，确保电器元件正常运行。

4.在调整小型断路器DZ47-63的额定电流值时，需要先彻底断开电源。

5.避免将断路器暴露在阳光下或其他高温环境中。

市场应用情况小型断路器DZ47-63被广泛应用于各种类型的电器保护场合，如家用电器、小型电机、照明等领域。

它的优点在于结构紧凑、安装方便、成本低廉等。

DZ47PLEY-63 Residual Current Operated Circuit-Breaker NAVIGATOR SeriesUser Manual Please carefully read this User Manual before installing and operating the product, and keep this manual properly for future referenceSafety NoticePlease carefully read this instruction before the installation, operation, run, maintenance, and inspection, and follow the contents of the instruction to properly install and operate this product.Danger:⚫Do not operate the circuit breaker with your wet hands;⚫Do not touch the energized parts during operation;⚫Mark sure that the product is de-energized during the maintenance and service;⚫Do not use the short circuit method for product testing;Caution:⚫The installation, maintenance and service shall be performed by the qualified professional;⚫Various characteristics of product have been set in factory and cannot be removed or adjusted without permission during operation;⚫Please confirm that the rated voltage, rated current, frequency and characteristics of the product meet the operating requirements before use;⚫When DZ47PLEY-63 mode adopts upper-inlet wiring method, the wire is led in from the top, and is led out from the bottom; when the lower-inlet wiring method is used, the wire is led in from the bottom, and is led out from the top; please follow the phase sequence when wiring connection, and tighten the wiring screws when the wire inserts into the connecting hole. The wire tightening torque is 2.5N.m to prevent the wire from looseness or being pulled out. The exposed copper wire cannot be out of the wiring terminal;⚫This product cannot provide the protection for electric shock hazard caused by simultaneously touching two lines of protected circuit;⚫With the protection grade IP20, this product has not dust-proof function; when used in a dusty place, this product shall be installed in a well closed terminal box;⚫If found damage or abnormal sound when unpacking, please stop the operation immediately and contact the supplier;⚫After the breaking, overload, or short circuit current fault, please eliminate the fault and then power on this product, otherwise this may affect the service life of the product.⚫Do not use the insulation resistance megger tester to test the insulation resistance between two phases of the power supply of the product circuit board;⚫This product shall be free from rain or water erosion or cannot be fallen off during the operation, storage or transport;⚫This product is not suitable for some special applications such as frequent starts of motor, electric heating equipment, high capacity cabinet, high inductive or high capacitive loads, or high temperature environment;⚫When scrapping the product, please dispose the product waste properly. Thanks for your cooperation.About DZ47PLEY-63 Residual Current Operated Circuit Breaker ● Panel IntroductionLegends:1 Inlet terminal2 Company Logo3 Product model4 Trip curve and rated current (see Table 1)5 Rated voltage and frequency6 Breaking capacity7 Reference standard8 Load end identification9 N pole identification 10 Reset button 11 Wiring diagram12 Rated residual making and breaking capacity, rated residual operated current, current leakage operating time13 Certification mark 14 Test button 15 Outlet terminalLegends:1 Outlet terminal2 Company Logo3 Product model4 Trip curve and rated current (see Table 1)5 Rated voltage and frequency (see Table 1)6 Breaking capacity7 Reference standard8 Load end identification9 N pole identification 10 Reset button 11 Wiring diagram12 Rated residual making and breaking capacity, rated residual operated current, current leakage operating time13 Certification mark 14 Test button 15 Inlet terminalPress before power-onPress once a monthLoad endLoad endPress before power-onPress once a monthNormal Operation, Installation and Transport Conditions●Normal Operation and Installation Conditions(1) Ambient air temperatureThe ambient air temperature is not higher than +70℃, and is not below -35℃, and the average value within 24 hours does not exc eed +35℃;Note: When the residual current operated circuit breaker is used in a place where the ambient air temperature is igher than +70℃ and below -35℃, please contact the manufacturer.(2) AltitudeThe altitude of the installation site does not exceed 2000m;(3) Atmospheric conditionsThe relative humidity of the atmosphere does not exceed 50% when the highest ambient temperature is +60℃, and a higher relative humidity is allowed at lower temperatures, such as 90% at 20℃. Protective measures shall be taken for condensation occasionally occurred due to temperature changes.(4) Installation conditionsThe external magnetic field nearby the residual current operated circuit breaker installation site shall not exceed 5 times earth magnetic field in any direction;The installation position shall be vertical, and the inclination angle at each direction shall not exceed 10°; installed at a place where there is no impact, vibration, and rain or snow erosion;TH35-7.5 steel mounting rail is used for installation.(5) Pollution level: Level 2;(6) Installation category: Class III;(7) Protection grade: IP20 (IP40 if installed in a power distribution box, a power distribution cabinet or tank).(8) For product with a N pole, please connect the zero line to the pole marked with N when wiring.● Normal Storage and Transport Conditions(1) Temperature: -40o C~+70o C;(2) Relative humidity (at 25℃):≤95%(3) During the transport, please handle the product gently, and do not upside it down, and prevent the product from harsh collision;Main Specifications and Technical Parameters ●Main technical parameters are listed in Table 1●Protection characteristics curve of circuit breaker are illustrated in Fig. 1 and Fig. 2Fig. 1 C type thermal/electromagnetic tripcharacteristics curve Fig. 2 D type thermal/electromagnetic tripcharacteristics curveStructure Features and Working PrincipleThis residual current operated circuit breaker primarily consists of zero sequence current transformer, electronic component board, release, contact operating mechanism, and plastic shell.The working principle is shown in Fig. 3. In case of electric leakage or personal electric shock in circuits, when the residual operating current reaches the set value of the operating current, a signal will be generated from the secondary coil of the zero sequence current transformer (induced voltage) to open the residual current operated circuit breaker after amplification by the electronic line, thereby cutting off the power supply for electric leakage protection.Residual current operated circuit breakerZero sequence current transformerTest resistanceElectronic componentboardTest buttonReleaseFig. 3 Working schematic diagram of this residual current operated circuit breakerOutline and Installation DimensionsThe outline and installation dimensions of DZ47PLEY-63 are shown in Fig. 4.Unit: mmFig. 4Product AccessoriesThere are six different accessories in the circuit breaker, including OF auxiliary contact, MX+OF shunt release, SD alarm contact, MV overvoltage release, MN undervoltage release, and MVMN overvoltage and undervoltage release. All accessories are installed on the left side of the product.Installation, Operation and Maintenance●Installation and Operation(1)Before installation, check whether the product marks is consistent with the working conditions.(2)Press the Reset button before power-on.(3)Before power-on, operate the residual current operated circuit breaker several times and check that its mechanism works flexibly and reliably without blockage.(4)The input end shall be connected to the power supply, and the output end shall be connected to the load.(5)The cross-sectional areas of the connecting wire are listed in Table 3.can work reliably.(7)When installation, insert the residual current operated circuit breaker into the mounting rail to fix the residual current operated circuit breaker on this rail without looseness or falling off. To remove the residual current operated circuit breaker, push the circuit breaker upwards to make the upper part of the circuit breaker leave from the mounting rail for removal, or pull the stop block downward for removal.The working reference temperature of the residual current operated circuit breaker is +30+50℃. When the ambient temperature changes, its rating shall be corrected. The temperature correction coefficients are listed in Table 4; if multiple residual current operated circuit breakers are all installed in a closed box, the temperature inside the box will rise, so that the rated current shall multiply by the derating coefficient 0.8.●MaintenanceAfter the residual current operated circuit breaker is running for some time, please check it regularly (monthly). In the power-on state, press the test button and check whether the residual current operated circuit breaker can work reliably. If failed to work normally, please stop the operation and replace it immediatelyFault Analysis and TroubleshootingThe fault analysis and troubleshooting of the residual current operated circuit breaker see Table 5.Table 5 Fault Analysis and TroubleshootingFault Cause SolutionMisoperation Misoperation caused bythe grounding of thezero line at the load sideof the residual currentoperated circuit breakerThe zero line at the load side ofthe residual current operatedcircuit breaker is grounded, whichmay cause misoperation when thenormal operating current passesthrough the grounded pointResidual current operated circuitbreakerIncorrect wiringConnect the ground wire to thezero line of the power side of theresidual current operated circuitbreakerResidual current operated circuitbreakerCorrect wiringMisoperation caused bythe leakage current andwire capacitance currentThe length of the wire layingagainst the ground at the load sideis too longThe residual current operatedcircuit breaker with a largerresidual operating current isselectedEarth leakage current of the wireat the load side increases due tothe reduction of the insulationReplace the wireFailure to operate Failure to operation iscaused by notconnecting the zero lineof the residual currentoperated circuit breakerOnly the phase line of theresidual current operated circuitbreaker is connected, but the zeroline is not connectedConnect the zero line at thepower sideUnpacking InspectionAfter unpacking, please check whether the product is intact, whether the exposed metal is rusty, and whether the product is defected due to poor transport or storage. If found the above phenomenon, please stop the product, and contact the supplier timely for solution.Company CommitmentUnder the condition that users follow the use and storage conditions and the product are well sealed, within 36 months from the production date, our company will provide repair and replacement service free of charge for any damage or abnormal operation due to poor manufacture quality. A paid repair will be provided if the warranty period expires. For any damage due to one of the following situations, a paid repair will be given even if within the warranty period:(1)Improper operation, maintenance, or storage;(2)Modified and improper repair without permission;(3)Damage due to falling off or found during installation after purchase;(4)Force majeure such as earthquakes, fires, lightning strikes, abnormal voltages, and secondary disasters; If you have any question, please contact the dealer or our company’s customer service department.Customer service hotline:400-826-8008Order NoticePlease specify the following items when ordering:1)Name, model and specification of the residual current operated circuit breaker;2)Rated current of the residual current operated circuit breaker;3)Residual operating current of the residual current operated circuit breaker;4)Number of poles;5)Qty.Example 1: To order DZ47PLEY-63 top inlet, C type, rated current 16A, rated residual operating current 30mA, 100 units.Please specify: To order DZ47PLEY-63 top inlet, C16, 30mA, 100 units.Example 2: To order DZ47PLEY-63 bottom inlet, C type, rated current 16A, rated residual operating current 30mA, 100 units.Please specify: To order DZ47PLEY-63 bottom inlet, C16, 30mA, 100 units.CertificateDELIXI ELECTRIC LTDDELIXI ELECTRIC LTDAddress: Delixi High-Tech Industrial Park, Liushi Town, Leqing City, Zhejiang P/C: 325604 Tel: (86-577) 6177 8888Fax: (86-577) 6177 8000Customer Service hotline: 400-826-8008The first edition of this manual was issued on Jan., 2020.。

DZ47-60小型断路器使用说明书安全警示：1.产品安装时，不应带电操作，以防触电；2.不可用火线（相线）对地短路或零线（中性线）、火线碰接的办法来试验产品性能，以免危及人身安全；3.安装时，接线螺钉应拧紧，导线不易松动和拔出，导线截面应严格按照本说明规定要求选取；4.严禁湿手操作断路器，否则可能发生触电事故；5.断路器的保护特性由制造厂整定，不允许随意拆开或调节断路器；6.断路器不能对人身触电及电力线路不平衡起保护作用。

1.用途与适用范围1.1用途：DZ47-60小型断路器主要用于交流50HZ/60HZ，单极230V,二、三、四极400V，电流正常情况下不频繁地通断电器装置和照明线路。

尤其适用于工业和商业的照明配电系统。

1.2适用范围1.2.1周围空气温度周围空气湿度不低于-5℃，不高于40℃，日平均值不超过35℃.1.2.2海拔高度安装地点海拔高度不超过2000M.1.2.3大气条件大气相对湿度在最高温度40℃时不超过50%，在较低温度下可以有较高的下对湿度，例如20℃时，相对湿度为90%，并考虑到因温度变化在产品表面的凝露。

1.2.4安装类别本断路器为嵌入式安装，安装类别为Ⅱ、Ⅲ。

2.主要结构及工作原理：2.1断路器主要由外壳、操作结构、瞬时脱扣器、灭弧装置等组成。

断路器动触头只能停留在闭合或断开位置；多极断路器的动触头应机械联合，各极能基本同时闭合或断开；垂直安装时，手柄向上运动时，触头向闭合方向运动。

2.2断路器的工作原理为：当断路器手柄扳向指示ON位置时，通过机械机构带动动触头靠向静触动头并可靠接触，使电路接通；当被保护线路发生过载故障时，故障电流使热双金属元件弯曲变形，推动杠杆使用机械锁定机构复位，动触头移离静触头，从而实现分断线路的功能；当被保护线路发生短路故障时，故障电流使用瞬时脱扣机构动作，铁芯组件中的顶杆迅速顶动杠杆锁定机构复位，实现分断线路的功能。

3.断路器的安装3.1断路器安装前应注意下列事项：3.1.1检查断路器确认完好无损，通电前先人工操作几次动作应灵活。