NEWS

NEWS

  • 09-19 / 2018

    Difference between voltage protectors and leakage circuit breakers

    When you decorate your home, have you only noticed the wiring, switch, buried pipe, slotting and other processes? Have you ever noticed the distribution box? Of course, they are equipped with the equipment when you take the house, but what are the uses of these equipment? Do you need to increase or ...

  • 09-17 / 2018

    Plastic meter box used in daily life

    At present, the use of plastic meter box is actually a lot of households use this way, perhaps not often in life to pay attention to the situation, so sometimes it is still a little strange, now about the use of electric meter box is mainly combined with the actual use of two parts, respectively app...

  • 09-14 / 2018

    What is the DC circuit breaker?

    DC circuit breakers are mainly used for overload and short-circuit protection of DC electrical circuits and equipment, and also belong to the controller of DC electrical circuits. Just like the tap used in our daily life, the tap controls the flow of water, while the DC mini circuit breaker controls...

  • 09-12 / 2018

    Definition and use of air circuit breakers

    Air circuit breaker is a kind of protective device suitable for distribution network with 50/60Hz AC, rated voltage 400V, rated working current up to 1000A and below. It is used to distribute electric energy and protect line and power equipment from overload, undervoltage, short circuit, single-phas...

  • 09-10 / 2018

    What are the main measures to improve the life of contactors?

    Contactor is an important component of low-voltage electrical apparatus. Its life is one of the quality evaluation and main indexes. So it is very important to take some measures to improve its life. Reasonable matching of suction characteristics and reaction characteristics can improve the life of...

  • 09-07 / 2018

    Function and working principle of circuit breaker

    Circuit breaker is a switching device which can close, load and break the current under normal circuit conditions, and can carry and break the current under abnormal circuit conditions (including short circuit conditions) within a specified time. LV circuit breaker can be used to distribute electric...

  • 09-05 / 2018

    Common failures and troubleshooting methods of low voltage circuit breakers

    Low voltage circuit breakers, formerly known as air circuit breakers. It is mainly used in circuit overload, short circuit and under-voltage and otherr abnormal circumstances such as automatic break off the circuit, cut off the power supply. Common failures of lv circuit breaker are unable to close....

  • 09-03 / 2018

    Simple analysis of Arc Fault Circuit Interrupter (AFCI)

    It is very important to prevent electric fire which occupies the first place in fire hazard. Arc Fault Circuit Interrupter (AFCI), an arc protection switchgear, was developed to prevent electric fire. Electrical fires are mainly caused by: (1) series arc or parallel arc short circuit caused by poor...

  • 08-31 / 2018

    Basic requirements and principles of circuit breaker selection

    The main role of circuit breakers is to protect electrical appliances and isolate line load, in general, to meet the following basic requirements: 1) The selection of household circuit breaker to meet the line load characteristics. When choosing a circuit breaker, first of all, it is necessary to ...

  • 08-29 / 2018

    Summary of DC circuit breaker

    DC circuit breaker, also known as DC air switch or DC mcb, is the most common component of low-voltage circuit breaker. Mainly used for circuits of rated voltage 250V ~ 1000V, rated working current to 1 ~ 60A DC, as the DC line overload, short circuit protection and line frequent conversion. The cir...

  • 08-27 / 2018

    The composition and working principle of ac contactor

    Contactor is mainly composed of electromagnetic system, contact system and arc extinguishing device. It is a kind of low-voltage control device widely used in automatic control system and electric drive system. Household Contactor can be divided into two types: AC contactor and DC contactor. 1. AC ...

  • 08-24 / 2018

    The function of overvoltage and undervoltage protection devices

    The main function of the overvoltage and undervoltage protection devices is to break the short-circuit current. When the short-circuit fault occurs, the circuit breaker will trip the protection equipment. The function of under voltage protector is to trip when the system voltage is below the set val...

  • 08-22 / 2018

    Matters needing attention in selection of DC circuit breaker

    DC circuit breakers are personal safety precautions in low voltage electrical appliances and low voltage switchgear control equipment. The significance of indirect contact protection of dc mcb live components is to prevent the occurrence of excessive contact voltage on the housing of terminal elect...

  • 08-20 / 2018

    How to choose the circuit breaker for motor protection?

    When choosing a circuit breaker to protect the motor, we should pay attention to two characteristics of the motor. One is that it has a certain overload capacity. The other is that its starting current is usually several to ten times the rated current. Therefore, circuit breakers for motor protectio...

  • 08-17 / 2018

    The function of AC contactor

    AC contactor is used to control the circuit, mainly breaking circuit and remote control circuit. Household Contactor mainly uses auxiliary contacts to achieve control instructions and achieve the purpose of remote control circuit. The main contacts of AC contactors are usually open contacts, the mai...

  • 08-15 / 2018

    Working principle of air circuit breaker

    Air circuit breaker is also called frame circuit breaker. It can turn on, load and break the current under normal circuit conditions. It can also turn on, load a certain time and break the current under the specified abnormal circuit conditions. The operation of air circuit breaker depends on manua...

  • 08-13 / 2018

    What is the difference between C-type and D-type of miniature circuit breakers? How to choose them?

    Miniature circuit breakers used for motor startup should be type D, type C for distribution control and lighting, type D for short-circuit segment multiple larger than type C, such as rated 32A switch, D short-circuit segment capacity is about 7-10 times rated, C is about 4-7 times. Small size, eas...

  • 08-10 / 2018

    The difference of several circuit breakers in the household distribution box

    In fact, not only the home distribution box, all the single-phase circuit, there are only these kinds of switches. By the way, it is not actually called a switch, the scientific name is called "circuit breaker" or "air switch", more professional name, called "miniature circuit breaker", short for "M...

  • 08-08 / 2018

    Matters needing attention in installation and use of photovoltaic DC miniature circuit breakers

    PV DC mini circuit breaker as the use of photovoltaic distribution, the role of DC mini circuit breaker is also particularly prominent, then how can the use of DC circuit breakers in peacetime in the safe use? 1. When the circuit of DC mini circuit breaker is connected, check whether the wiring is ...

  • 08-06 / 2018

    Structural characteristics of DC mini circuit breaker

    The over current protection of the DC rectifier circuit generally considers the protection scheme of the fuse or circuit breaker on the AC side. The rated current, rated voltage and breaking capacity of the AC circuit breaker can be selected according to the rectifier circuit, load and working curre...

  • 08-04 / 2018

    How do Arc Fault Circuit Breaker detect and identify fault arcs?

    Arc Fault Circuit Breaker uses electronic technology to identify arc state, and fault arc detection is the key link of arc fault protection of Arc Fault Circuit Breaker. The study on arc and fault arc detection began in the late 1980s and early 90s in the United States. By means of light, heat, soun...

  • 08-02 / 2018

    How to choose a voltage protector?

    The use of voltage protector greatly reduces the harm caused by overvoltage or undervoltage to the circuit and power load. It is equivalent to a small intelligent switching protection device, which is mainly used in circuits with current and voltage less than 63A. It is an important protection devic...

  • 07-26 / 2018

    Future development trend of smart grid

    "Internet +" has become a hot word for the innovation and development of the traditional industry. Using Internet thinking and technology to achieve innovative development of traditional industries is also a distinctive feature of the future smart grid construction. The development model of the inte...

  • 07-23 / 2018

    Advantage introduction of frequency conversion EPS emergency power supply

    EPS emergency power supply as a backup emergency power supply, in the fire emergency use of many, with the continuous development of skills, as well as various fire emergency, industrial use, lighting and other needs are not the same, EPS emergency power supply of all kinds of equipment is also beco...

  • 07-19 / 2018

    How to install the regulator

    In the case of voltage instability, the first thing to consider is to buy a voltage stabilizer. However, when we buy a SVC Single Phase Voltage Stabilizer, how to install the voltage stabilizer is really a concern for the users, in fact that was not the case, the installation and wiring of the stabi...

  • 07-16 / 2018

    Failure analysis of high voltage vacuum circuit breaker

    High voltage vacuum circuit breaker (HV circuit breaker) is one of the key electrical appliances related to the effective control of power system. It can guarantee the normal and efficient operation of the circuit system only by maintaining its good running state. According to the key functions of t...

  • 07-12 / 2018

    Circuit breaker development integrates intelligent technology to keep up with the trend of the times

    The circuit breaker is a kind of technical equipment which can protect the power line and motor according to the current size. The development of science and technology also promotes its final fusion of intelligent technology, and the intelligent circuit breaker is also beginning to face the market ...

  • 07-09 / 2018

    Technology status of AFCI Circuit Breaker

    Technology status of AFCI Circuit Breaker AFCI Circuit Breaker uses electronic technology to identify arc state, and fault arc detection is the key link of arc fault protection. The study on arc and fault arc detection began in the late 1980s and early 90s in the United States. By means of light, he...

  • 07-05 / 2018

    New selection of circuit protection: Arc Fault Circuit Interrupter

    It is important to prevent the fire of electrical fires that are the highest in the fire hazard, and to prevent fires from becoming more "burning". The Arc Fault Detection Devices(AFCI), designed to prevent electrical fires at the beginning , was created. Electrical fires mainly originate from: (1) ...

  • 07-02 / 2018

    Research and design of arc-fault circuit interrupter (AFCI)

    It is known that traditional circuit breakers only protect the overcurrent, short circuit and leakage, and the home Arc Fault Detection Devices (AFCI) I introduced today is a new function based on the traditional circuit breaker - protecting the fault arc, to prevent the fire caused by the arc. In t...

  • 06-28 / 2018

    Overview of vacuum circuit breakers

    Vacuum Circuit Breakers are the circuit breaker that contacts and breaks contacts in vacuum. The Vacuum Circuit Breakers were first studied by Britain and the United States, and then developed to other countries such as Japan, Germany and the former Soviet Union. China began to study the theory of ...

  • 06-25 / 2018

    Analysis of common problems in vacuum circuit breakers

    In the power system, Vacuum Circuit Breakers play a very important role, so in use, it is necessary to ensure the normal operation of the vacuum circuit breaker, of course, when necessary, it is necessary to observe the condition of the vacuum circuit breaker in real time. Once the vacuum circuit br...

  • 06-19 / 2018

    How Circuit Breakers Work?

    The circuit breaker is an absolutely essential device in the modern world, and one of the most important safety mechanisms in your home. Whenever electrical wiring in a building has too much current flowing through it, these simple machines cut the power until somebody can fix the problem. Without c...

  • 06-14 / 2018

    Do you know what leakage circuit breaker products we made?

    TAIXI Electric is unique in the field of R&D and production of leakage Circuit Breakers. Over the past 10 years, TAIXI Electric has used powerful research and development to create a series of products of the TAIXI Electric Leakage Circuit Breaker. TAIXI Electric Leakage Circuit Breaker Series i...

  • 06-11 / 2018

    The difference between the DC contactor and the AC contactor

    DC contactor and AC contactor are all kinds of contactors, and are one of the important components in the automatic control system. There are some differences between the DC contactor and the AC contactor. What are the specific differences? The following Xiaobian came to introduce the difference bet...

  • 06-07 / 2018

    Why should customers watch out for the fake

    Nowadays, there are many businesses in the market with the flag of the smart electric meter box, which are sold to the consumers with the imitated high energy energy meter, and the interests of the consumers are seriously damaged. Even some businesses have colluded with some power companies, and the...

  • 06-04 / 2018

    What protection functions does soft starter have?

    What protection functions does soft starter have? (1) Overload protection function: the soft starter introduces the current control loop, so it can track and detect the change of the motor current at any time. By increasing the overload current setting and the inverse time control mode, overload pr...

  • 05-31 / 2018

    The difference between air switch and leakage switch

    Generally, it is better to install the air switch at the end of the electric meter, because the distance of the line is far away. If the failure rate of the leakage protection switch is increased relatively, it may be caused by the wire. The leakage switch is better before the use of the equipment. ...

  • 05-29 / 2018

    How to correctly choose the leakage circuit breaker with proper operating current?

    If you want to choose a suitable Leakage Circuit Breaker can be understood from two aspects. It can help everyone. Let's take a look at it together with Xiaobian. First, choose according to the purpose of use and where the electrical equipment is located 1. Protection against direct contact with ...

  • 05-28 / 2018

    What are the installation environment and system planning of EPS emergency power supply?

    EPS emergency power supply is a centralized emergency power supply, and the EPS emergency power supply is usually installed in the distribution room of the building, so it can not only effectively centrally manage the equipment, but also can not easily be affected by the fire in the case of fire. ...

  • 05-26 / 2018

    Why is the automatic reclosing circuit breaker so popular?

    As a necessary accessory for terminal distribution, the circuit breaker products can protect the control and protection of the power system to the load system. Through the detection of line overload, short circuit, leakage and other fault conditions to make a corresponding tripping action to protect...

  • 05-24 / 2018

    The important role of the electric meter box in the present life

    With the popularization of audio-visual equipment now, electricity is used in many places, so the application scope of the electric meter box has been further improved. At present, we all know that the place and scope of electricity use is not only confined to family life, but also more involved in ...

  • 05-23 / 2018

    Are you still looking for a leakage circuit breaker or a miniature circuit breaker? look here!

    The rated leakage current refers to the value of leakage current that is required to ensure that the leakage circuit breaker must operate under the conditions specified by the manufacturer. Leakage circuit breaker rated leakage current is mainly 5,10,20,30,50,75,100,300 mAh, etc. Earth Leakage Circu...

  • 05-22 / 2018

    How to correctly select the leakage circuit breaker with suitable operating current?

    If you want to choose a suitable Earth Leakage Circuit Breaker ELCB can be understood from two aspects. It can help everyone. Let's take a look at it together with Xiaobian. First, choose according to the purpose of use and where the electrical equipment is located 1. Protection against direct ...

  • 05-21 / 2018

    Installation principle and precautions of DC circuit breaker

    Principles and points for attention of type and installation of DC Circuit Breaker: 1. the type of DC mini circuit breaker should be installed horizontally or vertically. The special type of DC circuit breaker should be carried out according to the requirement of product description. 2. The type ...

  • 05-17 / 2018

    The effect of the stabilizer

    With the rapid development of society, the use of electrical equipment is increasing day by day. However, the aging and development lag of power transmission and distribution facilities, as well as the poor design and insufficient power supply cause the low end user voltage, while the line head user...

  • 05-14 / 2018

    Main wiring method of motor soft starter

    1. Online type: All the Soft Starter Controllers have motor overload protection. When the soft starter runs online, the soft starter controller can overload the motor and do not install the thermal overload relay. Because the current harmonic current after the SCR is very large, the electronic ther...

  • 05-08 / 2018

    Breaker classification and characteristics

    Circuit breaker can be divided into: 3.1 Classification by type of use: A or B (see 4.4). 3.2 According to breaking media points, for example: - air separation; - Breaking of the vacuum; — Gas separation. 3.3 According to the design type, for example: — open type; - Plastic shell type." 3.4 Accordin...

  • 05-10 / 2018

    Application of motor soft starter in drainage system

    Power electronics, micro processing technology and modern control theory are used to design and produce new starting equipment with international advanced level. This product can effectively limit the starting current of AC asynchronous motor when starting. It can be widely used in fans, pumps, tran...

  • 05-07 / 2018

    About the definition of GB/T 14048.2

    For most of the definitions of this standard, see Chapter 2 of GB/T 14048.1--2000 and GB/T 2900.18. For the purposes of this standard, the following additional definitions should be used: 2.15.2 Service short-circuit breaking capacity The service short-circuit breaking capacity shall be in accordanc...

  • 05-05 / 2018

    What are the basic requirements of the GB 14048.2 whitch is same as the IEC60947.2

    1 basic requirements This standard is equivalent to the use of the International Electrotechnical Commission IEC60947-2:1995 "Low-voltage switchgear and control equipment - Part 2: Low-voltage circuit breakers." GB/T 14048.1-2000 (Low-voltage switchgear and control equipment General Provisions) prov...

  • 05-03 / 2018

    Circuit breakers develop and integrate intelligent technology to keep up with the trend of the times

    The circuit breaker is a kind of technical equipment which can protect the power line and motor according to the current. The development of science and technology also promotes its final fusion of intelligent technology, and the intelligent circuit breaker is also beginning to face the market devel...

  • 05-03 / 2018

    What is the IEC standard and how is it formulated?

    1) IEC (International Electrotechnical Commission) is an international standards organization composed of national electrotechnical committees. The purpose of the IEC is to promote the international cooperation involved in standards related to electrical and electronic technology, including China ex...

  • 04-23 / 2018

    What are the features of the dual power automatic transfer switch?

    1. Dual power automatic transfer switch can realize reliable switching between two power sources. Dual power transfer switch is made up of one or more switching switches and other necessary electrical appliances, used to detect power and circuit, and to convert one or more load circuits from one pow...

  • 03-29 / 2018

    EPS emergency power supply summary

    The code for fire protection design of high-rise buildings (GB50045-95) is the requirement for the power supply of fire facilities. A fire fighting facility for a high-rise building must be designed according to the first level load and distribution. The design specifications for power supply and di...

  • 03-26 / 2018

    AC contactor function

    Din Rail Mounted Contactor function: the main work of the AC contactor (cj19 magnetic contactor) is to connect and disconnect the electrical circuit. Two kinds of contact is used to reduce the damage caused by the arc during the break and prolong the life of the main contact. It is easy to replace t...

  • 03-22 / 2018

    The function of the plastic shell circuit breaker

    Molded Case Circuit Breaker MCCB is a common circuit breaker, which is widely used in life. Electricity is closely related to us, so we really need to understand the characteristics and applications of molded case circuit breakers. Molded case circuit breakers are generally divided into air circuit ...

  • 03-19 / 2018

    Differences between voltage protection and leakage protection and their respective sites

    The protection object of over voltage and under voltage protection devices are electrical equipment. The key protection object of electric leakage protection is the person. The automatic voltage protector is to detect the power supply voltage and decide whether to act or not, and the leakage protect...

  • 03-15 / 2018

    Development of AC contactor

    AC contactor is one of the indispensable devices in AC current. In recent years, various contactors are constantly emerging, and contactors are developing towards diversification, electrical ac contactor manufacturers bringing people more and more different choices. The electrical ac contactor manu...

  • 03-09 / 2018

    Comparison of the application of the Molded case circuit breaker and the frame circuit breaker

    Molded Case Circuit Breaker, like circuit breakers, have been widely used as circuit breakers. So what are the differences between these two types of circuit breakers in the actual application process? The smart low voltage circuit breaker manufacturers following the introduction of the switch facto...

  • 03-06 / 2018

    Safety regulations of circuit breakers

    In summer, miniaturecircuit breakers are particularly important, so how to use the miniaturecircuit breakers safely? The following summarizes the safe use of circuit breakers, I hope to help you. Safety regulationsof circuit breakers 1. When the circuit of miniaturecircuit breakers are well connect...

  • 04-20 / 2018

    What are the characteristics of Taixi Electric Phase Loss Protection Switch?

    All of Taixi Electric submersible pump protection electric motor circuit breaker use some traditional analog electronic protectors. However, such a protector has different power protection devices in the process of renewing the settings. Similarly, it is also a kind of power supply system. , And oth...

  • 04-16 / 2018

    Introduction of the principle and function of ACB

    Principle of ACB Air Circuit Breaker There are 3 ways of tripping: thermal, electromagnetic and compound tripping. When the line has general overload, the overload current can not cause the action of the electromagnetic tripping device, but it can make the heat element produce certain heat, promot...

  • 04-19 / 2018

    The difference between the leakage switch and the air switch

    1. Air switch also becomes Air Circuit Breaker. The principle of air switch is to take the air as an insulating medium, connect the current in the circuit, make the element produce heat, cause the inner double metal plate to bend upward after the heat, push, make the lock button open and cut off the...

  • 04-26 / 2018

    How to choose the suitable moulded case circuit breaker in electrical work?

    This question is a good answer, mainly from two aspects of voltage and current. The following mainly analyzes the selection of Moulded Case Circuit Breaker MCCB for distribution line protection. The selection of moulded case circuit breakers on motor protection is not within the scope of this discus...

  • 04-29 / 2018

    By 2024, the global circuit breaker market will exceed US $13 billion 500 million.

    According to Global Market Insights, a market research firm, the global Circuit Breaker market is expected to exceed US $13 billion 500 million by 2024. The growth of demand for modular and integrated substations by commercial and industrial end users will stimulate the growth of the global circuit...

  • 04-26 / 2018

    How should auto-reclosing leakage protector manufacturers choose?

    In the process of buying auto reclosing leakage protectors, if you want to be able to better use the functions, and you can let the function of over-current short-circuit protection be brought into play, you can also make the entire power environment more secure, and we must be able to Selecting lea...

  • 03-12 / 2018

    Can the electric meter box and the fire hydrant box be a neighbor?

    Although "close neighbors are better than distant relatives, people around are better than close neighbors ", but it is not the case for the electric meter box and the fire hydrant box. But why do you say that? Theelectric meter boxis a power supply metering device, which is needed in every househo...

  • 01-20 / 2018

    Effect of voltage protection circuit breaker

    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 ...

  • 01-15 / 2018

    How to distinguish the good or bad of an AC contactor

    All the AC contactors have been seen and measured, but how can they be distinguished on a machine? The engineers ofcjx2 1810 ac contactorhave summed up the following methods for reference. First, see: A, see whether it works. B, if the cjx2 1810 ac contactor is absorbed after the start of the machi...

  • 01-13 / 2018

    What are the requirements for the wiring when the EPS emergency power supply is used?

    Emergency power systems is not alone. Fire lighting is not a single step, but a system of interdependence and mutual help, so the wiring requirements for each module are also strict. 1. The heat resistant wire is used in Emergency power systems, and the steel pipe can also be used as a non - delaye...

  • 01-11 / 2018

    New technology for auto reset circuit breaker with electric energy meter

    With the advance of the construction of smart grid, the charge control system of the electric energy meter is the foundation of large scale, and has been paid much attention by the national Power Grid Corp and the South Network Power Grid Corp. In order to further improve the reliability of the powe...

  • 01-09 / 2018

    Technological innovation and breakthrough of auto reset circuit breaker

    As the terminal of smart grid, smart meter has gradually entered our life. According to statistics, the installation of about 258 million smart meters has been completed in China, and there are still about 70 million new and reformed demands per year. The20 30 40 50 60 amp auto reset circuit breaker...

  • 01-04 / 2018

    The quality comparison of miniature circuit breakers is carried out in Zhejiang province to promote the quality improvement of the industry

    The comparison showed that although some of the leading enterprises in the province product quality has reached the international advanced level, but the overall level of Zhejiang, the yield and quality ofminiature circuit breakersare still in the middle or lower level, there is a certain gap with t...

  • 01-02 / 2018

    Communications industry: optical communications maintain a high level of prosperity

    Fiber demand mainly from 5G and FTTH, administrative villages fiber: fiber demand growth, the main driving force is 5G and FTTH,fiber termination box, administrative villages fiber engineering, at the same time, these projects also led to a fiber separating box, cable box, distribution box, demand f...

  • 12-27 / 2017

    How should consumers choose small circuit breakers?

    In the face of more and moreminiaturecircuit breakersin the market, how consumers should choose small circuit breakers has become an important problem.Miniaturecircuit breaker is mainly used for overload and short circuit protection of electrical appliances. Its safety requirements are high, and its...

  • 12-25 / 2017

    Structural characteristics of load isolation switch

    1.Load isolation switchmodular design, suitable for switching on and breaking circuit or electrical isolation, 1000A above only for electrical isolation. 2. Load isolation switch using spring energy storage, instantaneous release of the acceleration of institutions and their colleagues turn on and o...

  • 12-21 / 2017

    How to ensure the quality of the electric meter box industry

    Theelectric meter boxis widely used in all fields of national economy, and is an important support for national defense construction and major project construction. It is also an important basic industry of national economy and a necessity for people's daily life. With the increasingly fierce compet...

  • 12-19 / 2017

    What is the difference between disconnectors and isolation switches?

    The electrical isolation switch and the disconnector belong to the cutter type switch. Regardless of shape, structural principles, methods of operation, they are very similar. But they have very different points, must be strictly differentiated. Theelectrical isolation switchis one of the simplest ...

  • 10-07 / 2017

    Isolation requirements for electrical isolation switch

    In everyday life, we may all be useful forelectrical isolation switch. In use, you should know how to isolate and isolate requirements. First of all, to understand the category of electrical isolation switch, molded case circuit breaker, the current domestic market with isolated function circuit bre...

  • 09-29 / 2017

    Working principle of DC circuit breaker

    The application ofdc mini circuit breakeris 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 th...

  • 09-28 / 2017

    Development of molded case circuit breakers

    With the continuous development of modern science and technology, new technology new materials continue to emerge, the circuit breaker production process and various materials continue to improve the performance of circuit breaker has been greatly improved, in addition to the international well-know...

  • 09-27 / 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,cj19 magnetic contactor, etc.. It is very important to know the maintenance inspection of some electrical appliances, so here I...

  • 09-26 / 2017

    Attention should be paid to the installation, application and maintenance of molded case circuit breakers

    Moulded Case Circuit Breaker users want through the circuit breaker advanced equipment to ensure the power system's operation, so they hope in the market or is found by circuit breaker manufacturers R & D and production of circuit breaker product class. In circuit breaker applications, to achiev...

  • 09-25 / 2017

    How does the overvoltage and undervoltage protection devices work?

    We knowovervoltage and undervoltage protection devicesare important automatic voltage protector, usually installed in the power distribution box entrance, its main role is to appear in the circuit overvoltage or undervoltage condition of a circuit or load protection. Its working principle looks very...

  • 09-24 / 2017

    Installation of load isolation switch

    This paper mainly discusses some problems about the installation ofload isolation switch. When encountered HGL series load isolation switch installation diagram to cabinet, later in the installation process, there are some small problems, so a little summary here, hope to have certain help and inspi...

  • 09-23 / 2017

    How to deal with abnormal AC contactor

    AC contactor (from TAIXIelectrical ac contactor manufacturers) is not normal refers to the actuation of AC contactors is too slow, the contact can not be completely closed, abnormal noise and abnormal iron core. The reason and the treatment method of the abnormal AC contactor (electrical ac contacto...

  • 09-22 / 2017

    The comprehensive analysis of benefits of transparent meter box structure materials

    With the development of society, people are more and more familiar with the products of transparent plastic meter box, and the utilization rate is higher and higher. But few friends pay close attention to the benefits of theplastic meter boxstructure material. Many friends just see some advantages o...

  • 09-21 / 2017

    The future development trend of distribution box and distribution cabinet industry

    For the distribution boxes, distribution cabinet industry, quality will determine the fate of the manufacturing enterprise. The irreplaceable nature of the distribution boxes and the distribution cabinet products in the power distribution process is directly related to the safety of the terminal cus...

  • 09-19 / 2017

    Product Overview of molded case circuit breaker

    Molded case circuit breakeris 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 repair...

  • 09-18 / 2017

    Composition of automatic transfer switch

    Automatic transfer switch, as its name implies, is one or more switches, switches, appliances and other necessary appliances. It can monitor the circuit of the power supply in real time, and the automatic transfer switch has an emergency power supply in addition to the common power supply. Double po...

  • 09-17 / 2017

    Design requirements for over voltage and under voltage protection devices

    Over voltage and under voltage protection devicescan effectively, reliably and safely realize the protection of the circuit and the power load, the reasonable, reliable and scientific design method of the over voltage and under voltage protection devices is completely possible. If we want to achieve...

  • 09-16 / 2017

    Select the rated parameters of AC contactor

    According to the controlled object and work parameters, such as voltage, current, power, frequency and working system, the rated parameters ofelectrical ac contactorare determined. 1. contactors coil voltage should generally be lower, so that the insulation requirements of the contactors can be redu...

  • 09-15 / 2017

    How do you deal with the fire in the meter box?

    After the general fire, everyone's first reaction is to quickly use water to put out. But at this time the water can be electrolyzed into hydrogen, oxygen, two kinds of gas, hydrogen is flammable, oxygen has combustion supporting nature, not only can not play the role of fire, but also contributed t...

  • 09-13 / 2017

    What is the difference between ac contactor and circuit breaker?

    The circuit breaker can extinguish the arc and has the ability of subsection to protect the circuit. The contactor uses the coil to control the circuit to break, when the contactor is energized, the normally open is closed, and the long closed is closed, so that it can be controlled. 1.Theminiature ...

  • 09-12 / 2017

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

    AC contactor(cjx1accontactor) mainly isCJX2 series, CJ20 series, CJT1 seriesofthe 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) contact s...

  • 09-11 / 2017

    Fault checking of control protective switch

    Thecontrol protective switchis composed of several parts, and some components can be added according to the requirement. Its function is to eliminate the surge voltage and interference signal in the power, so that it can improve the quality of the power supply. The fuse tube can be fuse when the cir...

  • 09-09 / 2017

    What are the advantages of waterproof distribution box?

    A kind of commondistribution boxis waterproof distribution box, of course, many people also call it rainproof distribution box, waterproof distribution box is mainly used in the outdoors, to prevent some bad weather, so from this Point you can see the waterproof miniature circuit breakers distributi...

  • 09-08 / 2017

    Structure and principle of miniature circuit breaker

    As a kind of over current protection device,miniature circuit breakerscan be used to switching indoor wiring with current control switching, can effectively protect the important components of the electrical, mainly used for short circuit protection and prevent serious overloading, motor load protec...

  • 09-07 / 2017

    Selection and maintenance of AC contactor

    1.Selection: (1) The rated current of the main circuit contact shall be greater than or equal to the rated current of the controlled device. Themotor contactorof the control motor shall also take into account the starting current of the motor. In order to prevent the frequent operation of the motor ...