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  • 04-27 / 2017

    Answer all the questions

    1.How to choose AC contactor? What models are they? Electricalaccontactormanufacturers? Answer: AC contactor selection, should be based on the type of load and working parameters of reasonable selection, briefly divided into: A. Select the type of contactor. Selection of AC contactor shoulddetermin...

  • 04-26 / 2017

    Selection of different types of miniature circuit breakers

    The miniature circuit breaker is generally composed of a plastic shell, an over-current release, an operating mechanism, a contact, and an arc extinguishing device. The utility model is characterized in that the utility model adopts the double connection function, and the utility model can connect t...

  • 04-25 / 2017

    Investigation report on future development trend of photovoltaic DC circuit breaker

    Investigation report on the future development trend of photovoltaic DC circuit breaker Abstract: Photovoltaic DC circuit breaker (c45n dc mcb, dc mini circuit breaker) is widely used now, the applicable scope is more extensive, in view of the future development trend of photovoltaic DC circuit brea...

  • 04-24 / 2017

    Maintenance and inspection of AC contactor

    These days, there are a number of customers to consult the maintenance of AC contactor (motor contactor, electrical contactor), the product involves AC contactor CJT1, CJ20, etc.. It is very important to know the maintenance inspection of some electrical appliances, so here I am talking about the ma...

  • 04-22 / 2017

    Discussion on the difference between molded case circuit breaker and miniature circuit breaker

    With the development of science and technology, the common circuit breakers are molded case circuit breaker and miniature circuit breakers, theirdifference is as follows: The main function of molded case circuit breaker is to provide protection for overload and short circuit in low voltage distribut...

  • 04-21 / 2017

    DC miniature circuit breaker - small size, great effect!

    DC miniature circuit breaker (DZ47Z-63: c45n dc mcb, dc mini circuit breaker) is as the name suggests it is a miniature circuit breaker DC mode, using the DC miniature circuit breaker in life can be very broad, like family, industry, power industry and other fields have found it. So what is a circui...

  • 04-20 / 2017

    Domestic development of dual power automatic transfer switch

    Double power supply transfer system product (ats automatic transfer switch) development has generally experienced three categories: contactor type, molded case circuit breaker / load isolation switch class, integrated automatic transfer switch type. Contactors This kind of switching power supply s...

  • 04-19 / 2017

    Double power supply automatic transfer switch

    Double power supply automatic transfer switch(TXQ6: 200 amp automatic transfer switch), which is a device controlled by a microprocessor, and is used for starting and switching of the networkand network or the network and the generatorin the power system. Series dual power supply, when electric sudd...

  • 04-18 / 2017

    What is the function of the auxiliary contact of AC contactor?

    AC contactor (cjx1accontactor) mainly isCJX2 series, CJ20 series, CJT1 series of the CJ series, 3TB, B series and some of the most commonly used products. AC contactor is mainly composed of four parts: (1) the electromagnetic system, including attraction coil, moving core and static core; (2) contac...

  • 04-17 / 2017

    Detailed introduction of working principle of DC circuit breaker

    In a DC circuit breaker (dz47 electric car-air switch electric motorized circuit breaker manufacturers), the main circuit comprises a lower connecting line for supporting the movable contact, and a contact closing device of an upper connecting row and a surface silver plating is composed of a large ...

  • 04-15 / 2017

    Operating rules for dual power conversion switches

    Operating rules for dual power conversion switches (TXB7SD 30 amp manual transfer switch) 1. When the power outage, and in a short period of time can not restore power supply, must enable the standby power supply. Step: The removal of electric power supply of each circuit breaker (including the circ...

  • 04-14 / 2017

    What is DC circuit breaker?

    DC circuit breaker(DZ47Z-63 dcminicircuitbreaker)is mainly in DC electrical lines and equipment overload and short circuit protection, the controller also belongs to the DC electrical circuit, the equivalent of which we use in daily life tap, tap water is controlled, and the DC circuit breaker is cu...

  • 04-13 / 2017

    The correct installation of lightning protector is the premise of lightning protection

    Lightning disaster is one of the main meteorological disasters in China, with the development of economy and the improvement of people's living standards, a variety of high-tech electronic equipment is becoming more and more popular, lightning disasters are more prominent, the internal lightning pro...

  • 04-12 / 2017

    Classification of surge protective devices

    Surge protection device (TXU3 SPD) is also called surge protector, is used to limit transient overvoltage and leakage protection devices on the guidance of nonlinear surge current of charged system, to protect the low voltage level of electrical or electronic systems against lightning and lightning ...

  • 04-10 / 2017

    Function of DC circuit breaker

    DC circuit breaker (12 volt dc circuit breaker 60 50 40 30 20 10 amp) has a super current limiting function, can accurately protect the relay protection, automatic equipment from overload, short circuit and other shortcomings. The DC circuit breaker has the advantages of current limiting and arc ext...

  • 04-10 / 2017

    How to choose the residual current circuit breaker correctly?

    Indirect contact with different places of electric shock, can cause different degrees of harm to the human body, so different places should be installed in different residual current circuit breaker(earthleakageswitch). Here is how to choose the residual current circuit breaker. To harm the place of...

  • 04-08 / 2017

    Guide for selection of molded case circuit breakers

    Guide for selection of molded case circuit breakers(DZ20125a150a200a350a500acircuitbreaker) (1) Suit one's measures to local conditions According to the specific conditions of use, select the category, according to the rated current of the circuit and the protection requirements to determine the spe...

  • 04-07 / 2017

    What is the role of distribution box

    Distribution boxes (multimediadistributionbox) is in accordance with the requirements of electrical wiring to assembleswitch equipment, meter, maintenance applianceand auxiliary equipment in a closed or semi closed metal cabinet or screen,to form low voltage distribution equipment. When normal opera...

  • 04-06 / 2017

    Basic knowledge of AC contactor that you should understand

    What is normally open normally closed contact? Normally open NO - in the absence of contact, the contact is open; Normally closed NC - in the absence of contact, the contact is closed; When working, the normally closed contact is disconnected first, and the normally open contact is closed again. Whe...

  • 04-05 / 2017

    Discussion on the difference between molded case circuit breaker and miniature circuit breaker

    With the development of science and technology, the common circuit breakers are molded case circuit breakers and miniature circuit breakers, The difference is as follows: The main function of molded case circuit breaker(CM1LE residualcurrentmoldedcasecircuitbreakers)is to provide protection for over...

  • 04-02 / 2017

    Working principle of AC contactor

    1. Introduction The utility model relates to a contactor (or cj20dccontactor), which is a device which uses a coil to flow through an electric current to generate a magnetic field to make the contact close. Electrical ac contactor (or cj20dccontactor) as a kind of contactor, the completion of the ro...

  • 04-01 / 2017

    Causes of tripping of circuit breaker

    The leakage protection circuit breaker (RCCB, RCD)is a switch which can automatically operatewhen the leakage current exceeds the preset value. Commonly used circuit breakers are divided into two types of voltage and current, and the current type is divided into electromagnetic and electronic type o...

  • 03-31 / 2017

    Structural features of Voltage Protector

    1. The automatic voltage protector (over voltage and under voltage protection devices) is composed of a shell, an operating mechanism, a thermal release, an electromagnetic trip unit contact system, an arc extinguishing system and a over-undervoltage protection circuit board. The circuit breaker has...

  • 03-30 / 2017

    The difference between CB level and PC level of ATSE

    1.Both of the two mechanical design conceptsaredifferent. The equipment is converted to dual power switch (solar transfer switch), and not used as line segments and line protection, ATSE should not take short circuit and overcurrent protection function. CB ATSE solar transfer switch by two circuit b...

  • 03-29 / 2017

    Development trend of dual power automatic transfer switch (ATSE)

    Generally consists of two parts: ATSE electrical switch body controller. The development trend of ATSE (dualpowertransferswitch) mainly includes two aspects: one is the main switch, with anti impact current ability is very high, and frequent conversion; with reliable mechanical interlock, to ensure...

  • 03-28 / 2017

    Development of dual power automatic transfer switch (ATSE)

    With the rapid development of economy and the improvement of people's living standard, people have more and more requirements on the reliability of electric power. Power is the ability of the power system reliability of continuous power supply bureau, now 35KV substation realizes the dual power supp...

  • 03-27 / 2017

    Working principle of DC circuit breaker

    The application of DC circuit breaker is very wide, from the DC power supply to rail transport and electric locomotive from the ship to the power system of power plant and substation, DC circuit breaker electrical equipment ensure the security of the power system plays an indispensable role in the p...

  • 03-25 / 2017

    Application of control and protection switch

    Control and protection switch products usea single product structure of modularization, integratedmain functions of the traditional circuit breaker (fuse), contactors, overload (or overcurrent, open phase)protective relay, starter, isolator, mainly used in the power systemofAC 50Hz (60Hz), rated vol...

  • 03-24 / 2017

    Installation and application notice of AC contactor

    Precautions before installation of electrical ac contactor: 1 electrical ac contactor should be carefully checkedwhether the nameplate data meets the requirements in the contactor circuit before installation, whetherthe coil working voltage meetscontrol power rated voltage. 2 electrical ac contactor...

  • 03-23 / 2017

    Characteristics of FTTH optical fiber home information box

    FTTH Box (fiber termination box) is mainly refers to a kind of transmissionmode for communication byoptical fiber, optical fiber received in the homes, it can bring greater bandwidth for users, to speed up the network traffic speed, so that the network environment and power supply requirements becom...

  • 03-23 / 2017

    Five connection methods of multimedia information box and wiring box

    Multimedia-distribution-box, distribution box wiring mainly has the following connection methods: 1.Star connection 2.Bus connection 3.Power line carrier connection 4.Infrared connection (IR) 5.Wireless (RF) connection First, from the stability perspective, star connection is the most stable and re...

  • 03-20 / 2017

    Selection precautions for miniature circuit breaker

    1.The impact of ambient temperature on the rated current.overload protection characteristics of dz47-60circuitbreakerwithshunttripare usually completed by the sampling element (resistance) and induction components (hot bimetallic), hot bimetallic sheet heated and bent over a certain limit, release t...

  • 03-16 / 2017

    What are the selection principles of miniature circuit breakers?

    1. General selection principle Rated operating voltage of the miniaturecircuit breakers ≥ line rated voltage Rated current of the miniaturecircuit breaker ≥ line calculation load current Rated short-circuit making-breaking capability of the miniature circuit-breaker ≥ The maximum short-circuit curre...

  • 02-28 / 2017

    What are the issues to consider when purchasing a molded case circuit breaker?

    With the moulded case circuit breaker MCCB more and more popular, many industries can be used, the family can also be used. But molded case circuit breaker is close to personal safety, can not casually buy. It is not like ordinary goods, buy do not like to throw away directly. If the quality of moul...

  • 09-18 / 2016

    The innovation of two-dimensional bar code management, push the rapid development of electrical.

    Recently, the technology used in the TAIXI electrical products automatic identification of a new image, it records all the information product is born, only need to scan, from parts to assembly to finished products to all the user's data can all be revealed, it is the two-dimensional bar code, two-d...

  • 02-23 / 2017

    TAIXI Electric recommends a new type of automatic reclosing circuit breaker

    According to statistics, 80% of the low-voltage circuit breaker tripping, are caused by the cause of chance, and by the permanent failure caused by low-voltage circuit breaker tripping ratio of not more than 10%. In particular, the residual current circuit breaker, resulting in its malfunction for ...

  • 02-16 / 2017

    Selection of circuit breakers for motor protection

    There are two different ways of using the mpcb circuit breaker. One is to control the motor in series with the other switchgear (such as knife switch, contactor, etc.), that is, the circuit breaker is only short circuit, overload or under voltage protection. , The normal operation by other electrica...

  • 11-18 / 2016

    L7 miniature circuit breaker performance and use environment

    The instrument in industrial and commercial and residential places will use a lot of people do not understand, such as the L7 circuit breakers. The miniature circuit breakers are important to ensure that under normal circumstances, let the line conversion in frequent operation, can be used in many p...

  • 11-18 / 2016

    Main function of Self - resetting overvoltage and undervoltage protector

    Along with the development of the electric power industry, our lives are in use every hour and moment, if there is no electricity, life will enter into a state of paralysis. However, with the widespread use of electricity in life, electric fire is also increasing, since the Self - resetting overvolt...

  • 11-18 / 2016

    The basic performance of MCCB

    What exactly is the use of MCCB, why many industries are able to be used. In general, its role is very big, has a very important significance. Then, circuit breaker in the end be able to bring what surprises for you? Just follow us to explore, may be able to find a lot of surprises. First, with the ...

  • 11-18 / 2016

    Application and requirement of plastic distribution box in Engineering

    The use of plastic distribution box is very common, we can often see in daily life. In the aspect of the use of the project, using plastic distribution box is to meet the needs of the project design and use, for the present, in order to use in engineering to meet the basic needs, requirements for di...

  • 11-18 / 2016

    Main functions and characteristics of small isolation switch

    The use of electrical isolator switch is actually very common in life, which plays a major role is to separate so far, has a isolating switch disconnect sign is very obvious in the contact between, and in a certain position above, in the normal circuit under the condition, and can prevent the harm...

  • 11-18 / 2016

    How to choose a suitable overvoltage and undervoltage circuit breaker?

    In today's society, people's life and work more and more cannot do without electricity, regardless of family life or industrial production and life everywhere to use electricity, but because the electrical equipment line failure caused by fire events more and more, and usually such fires have caused...

  • 11-18 / 2016

    Performance and characteristics of PC transparent meter box

    Now meter box every household or unit to use things, with a transparent meter box after the use of the more convenient, and now meter box quality and appearance also increased a lot from the overall above. 1. overall performance of meter box PC transparent electric meter box is used to design a ful...

  • 11-18 / 2016

    When you buy Molded Case Circuit Breaker you have to think about problem

    With the circuit breaker is becoming increasingly popular, many industries can use the family can also be used. But the MCCB relates to personal safety, can casually buy. It is not an ordinary commodity, buying is not love directly away. If the quality of circuit breaker does not pass, will have ver...

  • 11-18 / 2016

    The use of self dual over voltage protector to protect our life electricity

    We are for security issues very seriously, every day, our life may appear all kinds of accidents and disasters, in order to ensure the effect of our wonderfull life is not affected by the accident, so the protection of life safety is very important for the power line very dangerous road to our very ...

  • 12-22 / 2016

    Comparison between the two most common protective appliances

    Whether it is used in electrical or industrial life, there is the risk of short circuit or lightning, it is particularly important to protect the electrical appliance market. The protection is mainly divided into two types: one is the circuit breaker, fuse is two. Many types of circuit breakers, non...

  • 02-27 / 2017

    Classification of Distribution Circuit Breakers

    For the distribution type circuit breakers, it has Class A and Class B: Class A is a non-selective type, Class B is an optional type. Selective type refers to the circuit breakers with overload long delay, short circuit short delay and short circuit instantaneous three protection characteristics. T...

  • 03-01 / 2017

    Why are you need to use the firber box?

    As the shelter of the family, has not only called for the realization of electrification and automation, but also requires intelligent and humane. The use of modern information technology, households can do homes, enjoy more exciting and rich information-based life - such as online shopping, stocks,...

  • 03-06 / 2017

    The disconnector uses the basic information associated with the switch

    Our life is often used to a thing, this thing is called electrical isolator switch, the use of this switch and appear in our country is already very common, but the use of the location is not the same, and in the installation and some The location of the choice is also a certain degree of differenti...

  • 07-08 / 2017

    The difference between residual current circuit breaker and residual current protector

    Circuit breakers: circuit breaker is to control the electrical circuit of the switch, if the air for the arc medium called air circuit breakers (switch). The circuit breaker is normally rated at the rated current (load) and is used as the main switch for the electrical circuit. Residualcurrentprotec...

  • 03-10 / 2017

    What is the normal working state of the limit automatic controller?

    The current limit automatic control device(Current limiter) is used in the control circuit which is satisfied in the AC current and the working voltage to ensure that the system is powered according to the predetermined electric power! Once the electric load exceeds the specified range value, the co...

  • 05-23 / 2017

    Safe use procedures of circuit breakers

    In the hot summer, the role of DC circuit breaker is particularly prominent, then how to use DC circuit breaker safely? The following summarizes the safe use of circuit breakers, we hope to help. Safe use procedures of circuit breakers 1. After the circuit of DC miniature circuit breaker (c45n dc mc...

  • 06-19 / 2017

    Classification of Surge Protective Device

    Surge protection device (SPD) is also called surge protector, is used to limit transient overvoltage and leakage protection devices on the guidance of nonlinear surge current of charged system, rush or to protect the low voltage level of electrical or electronic systems against lightning and lightni...

  • 08-07 / 2017

    How to install residual current circuit breakers in transparent meter box

    How to install residual current circuit breaker in plastic meter box: 1. Residual current circuit breaker The power supply line must be connected directly to the leakage maintenance device, that is, the shell marked "power" or "line" side; outlet are connected to the bottom, that is marked "load" ...

  • 08-12 / 2017

    The surge protection device helps the traffic control system run smoothly in any weather

    An absolutely reliable traffic control system is essential for a busy hub. The only way to ensure safe traffic is to use a dynamic display that automatically adapts to traffic flow. Our implementation of a major problem facing the objective is to install a can in the daytime and night and all weathe...

  • 08-16 / 2017

    Application and Development Trend of fiber termination box

    The fiber termination box is a product specifically designed for fiber to the home (FTTH).Fiber termination box as a fiber-optic home access tool, and fiber-to-home national policy strong support, we can see how much fiber users on the benefits. So, how to choose a good "fiber home" information bo...

  • 08-18 / 2017

    Why should a fuse or circuit breaker be installed in the SPD circuit?

    The internal core of surge protection device is a Zinc Oxide varistor. Zinc Oxide is composed of grains and the grains are separated by a grain boundary layer with a P-N junction semiconductor structure. These grain boundary layers determine the V-I characteristics of varistors. When the surge curre...

  • 08-22 / 2017

    Structure features of electrical isolation switch

    The electrical isolator switch adopts modular design, which is suitable for connection and breaking circuit or electrical isolation. More than 1000A is only used for electrical isolation. The electrical isolator switch adopts the spring energy storage, instantaneous release acceleration closing mech...

  • 08-24 / 2017

    Can the DC molded case circuit be used only in the DC system?

    AC molded case circuit breaker can not be used in DC circuit. Because AC system and DC system have different grounding modes, the breaking capacity of molded case circuit breaker will be greatly affected. Can the DC mccb be used only in the DC system? The main difference between DC mccb and AC mould...

  • 08-28 / 2017

    Application comparison between DC molded case circuit breaker and DC miniature circuit breaker

    The DC molded case circuit breaker and the DC miniature circuit breakers are widely used in circuit breakers. Then, what are the differences between the two circuit breakers in our actual application? Here are some brief analyses. 1. DC molded case circuit breaker is used in plastic structure, its m...

  • 08-29 / 2017

    What are the main points for the daily maintenance of molded case circuit breakers?

    In order to make adjustable molded case circuit breaker more comfortable operation, in its maintenance, we can not ignore, if you regularly maintain, then it will be many times higher life expectancy, why not? For its work in good condition, maintenance and maintenance need to be strengthened. So, w...

  • 08-30 / 2017

    The use of control protective switch

    Control protective switch products using a modular single product structure type, integrated the traditional circuit breaker (fuse), contactors, overload (or overcurrent, phase failure) protection relays, starters, isolators and other major functions, control protective switch is mainly used for AC ...

  • 09-01 / 2017

    The role of Voltage Protection Device | VPD

    With the development of the electric power industry, electricity now has been accompanied by every detail of our lives, so that the protection for the power industry, began to get more and more attention, because the circuit in the daily work, it is easy because of overvoltage or undervoltage and a ...

  • 09-20 / 2017

    Common sense of residual current circuit breakers

    There are many common sense of lightning residual current circuit breaker in life if they can understand some of these attempts can further guarantee the security of electricity, a lot of residual current breaker every month according to the time, which is explicitly proposed in this device, the res...

  • 12-16 / 2017

    Product Overview of molded case circuit breaker

    Molded case circuit breaker is also known as a modular circuit breaker. All parts are sealed in a plastic housing, and the auxiliary contacts, the undervoltage release, and the shunt release are modular. Because of the very compact structure, the molded case circuit breaker is virtually out of repai...

  • 12-29 / 2017

    Installation requirements for transparent meter box

    In modern families, more and more wires and cables are used, such as telephone line, cable TV line, broadband network line, audio line, security alarm signal line and so on. Different cable has different technical requirements, but the traditional family style because the wiring construction is not...

  • 01-06 / 2018

    Comparison of molded case circuit breaker and frame circuit breaker

    The Moulded Case Circuit Breaker MCCB, as well as the frame circuit breaker, has been widely used in the current circuit breaker. So what are the differences between these two kinds of circuit breakers in the actual application process, and the following is briefly analyzed. 1. The Moulded Case Cir...

  • 01-24 / 2018

    Analysis of the micro source characteristics of the energy Internet - DC Miniature circuit breaker

    The distributed energy power generation in the regional energy Internet mainly includes wind power generation, photovoltaic generation, gas turbine power generation and fuel cell. It has the characteristics of energy saving, environmental protection, small capacity and plug and play. When the electr...

  • 01-27 / 2018

    What are the features of the material used in the transparent meter box

    Know that electric meter box production of the public know that its production is the need for composite resin and reinforced materials and other materials, and its main purpose is to better protect it, so as to protect the public's electricity safety. So what are the characteristics of its material...

  • 04-02 / 2018

    What is the difference between residual current circuit breaker and residual current protector?

    Residual current circuit breakers and residual current protection devices are some of the important tools used for electricity. Because of different factors, they play a different role. What is the difference between residual current circuit breakers (rccb circuit breaker 30ma rcbo) and residual cur...

  • 04-06 / 2018

    What about the leakage of household appliances?

    When you are at home for the weekend to enjoy a rare leisure time, the emergency situation of electricity leakage from home appliances, if you do not reserve a point of leakage protection common sense, how to protect yourself at the first time? Do not think that leakage is a very small probability. ...

  • 04-07 / 2018

    What is the product of the isolation switch, and why is our switch quality better?

    Our lives often use to a switch called the isolation switch, and the use of such a switch in our country is already very common, but the use of the position is not the same, and in some locations and installation options the differentiation is a certain, when the location of the disconnector can sig...

  • 04-07 / 2018

    Do you know classification of Distribution Circuit Breakers?

    For a power distribution circuit breaker, it has a class A and a class B: class A is a non-selective type, and class B is a selective type. The so-called selection type refers to the three-phase protection characteristics of the circuit breaker with long delay, short-circuit and short-circuit transi...

  • 04-09 / 2018

    Working principle of AC contactor

    When the coil is electrified, the static iron core produces the electromagnetic suction, and the moving iron core is absorbed. Because the contact system is linked to the moving iron core, the moving iron core drives three touch plates at the same time, the main contact is closed, and the auxiliary ...

  • 04-12 / 2018

    Overview of fault arc circuit breaker

    The technology of arc fault circuit breaker AFCI is a newest circuit protection technology, and its main function is to prevent fire caused by fault arcs. When the arc fault occurs, because the current intensity is small, it is lower than the set value of overcurrent protection which is widely insta...

  • 05-07 / 2018

    Solutions to voltage instability in remote families

    The electricity consumption in remote areas and rural areas is increasing sharply and the lines are too long, and the power supply facilities are lagging behind. When the power supply is tense, the voltage of the home will be unstable (mainly low), so that many household appliances can not work norm...

  • 06-15 / 2018

    The development trend of China's Transformer Industry

    With the continuous development of the national economy, the demand for electricity has always been increasing. As the main equipment in the transmission and transformation system, the development of the Transformer is also long-term and stable. In order to better meet the market demand, many transf...

  • 06-21 / 2018

    Difference between grounding fault protection and residual current protection in moulded case circuit breaker

    With the development of electronic technology, the electronic deionization unit has also been widely used in Moulded Case Circuit Breaker. At the same time, as people's awareness of personal electric shock and electrical fire protection is enhanced, the use requirements of the grounding protection f...

  • 07-30 / 2018

    What is the AC contactor?

    AC contactor is an intermediate control element. Its advantage is that it can connect and break the circuit frequently, and control the high current with small current. Working with thermal relay can also play a role of overload protection for load equipment. Because it is through the electromagneti...