NEWS

NEWS

  • 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 ...

  • 09-06 / 2017

    How to realize the intelligence of molded case circuit breaker?

    It is necessary to break through the technical problems of intelligentmolded case circuit breaker. The first technical problem is the realization of perceptual functions. This is the basis of intelligence, the realization of the function of the need to obtain such as voltage and current, insulation ...

  • 09-05 / 2017

    Classification of AC contactor wiring

    There are many kinds of wiringfor AC contactorfromelectrical ac contactor manufacturers, and their classification methods are different. According to the general classification method, there are approximately the following. (1) According to the pole of main contacts, it can be divided into single-po...

  • 09-04 / 2017

    How to choose AC / DC contactor correctly

    1. Select the type of contactor fromelectrical ac contactor manufacturers Alternating current contactor shall be used for AC load and DC contactor fromelectrical ac contactor manufacturers shall be used for DC load. If the control system is mainly AC motor, and DC motor or DC load capacity is relat...

  • 09-02 / 2017

    What is AC contactor?

    Electrical ac contactor is a kind of intermediate control element. It has the advantage of frequent switching on and off, and controlling high current with small current. With the thermal relay work, but also to the load equipment to play a role in overload protection. Because it is on the electroma...

  • 08-31 / 2017

    Installation of Load isolation switch

    Installationof Loadisolation switch: In general, the installation of the load switch and load isolation switch installation is roughly the same, but in the adjustment, the need to note the following: (1) The main blade and the auxiliary blade of the load isolation switch should be in the order that ...

  • 08-26 / 2017

    Multimedia distribution box

    Themultimedia distribution boxis a kind of multimedia information input various information network system, the electrical properties and extend the system by the way of wiring, change the configuration of the system, adjust the number of cable system using the function to meet the requirements of t...

  • 08-25 / 2017

    The multimedia distribution box fundamentally changes the wiring in residential homes

    The installation height of themultimedia distribution boxand information panel is generally located from the ground 300mm embedded wall, or positioned according to the design requirements of the home decoration. The panel of multimedia information box can be 86*86mm, Z or 120*70mm. It can also be de...

  • 08-23 / 2017

    What is the principle of under and over voltage protection protector?

    Under and over voltage protection protectorcontrol circuit adopts high speed low power micro processor design as the core, the magnetic latching relay main circuit, modular double standard, when the power supply line overvoltage, undervoltage protection, to continue to shock quickly and safely cut o...

  • 08-21 / 2017

    Multimedia distribution box is the development trend of home decoration

    Multimedia system refers to television, telephone, computer network, multimedia center, electronic automatic alarm system centralized control device design, namely the family by these cable connection devices can be controlled by a centralized equipment. The general multimedia system is mainly compo...

  • 08-19 / 2017

    Two control modes of electrical transfer switch are analyzed

    Double powerelectrical transfer switchis mainly used for two power supply (electric supplytoelectric supply,electric supplytoelectricity generator etc.) the automatic and manual switching operation, the general practice is set to double power supply automatic switching operation mode, to ensure the ...

  • 08-17 / 2017

    Advantages of plastic meter box (transparent electric meter box)

    The newplastic meter box(transparent electric meter box) not only reads the ammeter well, but also is elegant and safe and practical. In the spirit of "you use electricity, I attentively" service concept, in this year's rural power network transformation and upgrading project, all the old "iron mete...

  • 08-15 / 2017

    What is the role of distribution box

    Distribution box(multimediadistributionbox)is in accordance with the requirements of electrical wiringtoassembleswitch equipment,meter,maintenanceapplianceand auxiliary equipment in a closed or semi closed metal cabinet or screen,to form low voltage distribution equipment. When normal operation,itca...

  • 08-14 / 2017

    The difference between the over voltage and under voltage protection devices and the circuit breaker

    It is often said that if there is noovervoltageandundervoltageprotectiondevices, we can use the circuit breaker instead. So many users to listen to this method, with a circuit breaker instead ofover-undervoltage protection to protect the electricity load, the results more harm than good, household e...

  • 08-11 / 2017

    Matters needing attention in installation and use of plastic meter box or electric meter box

    Matters needing attention in installation and use ofplastic meter boxorelectric meter box 1. Please carefully check the meter box partsinthe installation. 2. Installation location should be selected without severe vibration, the impact is not enough to damage the electrical components of the place. ...

  • 08-10 / 2017

    Standard for selection of AC contactors installed in stainless steel distribution cases

    As summer approaches, the peak period of electricity consumption will come as scheduled. The stainless steel distribution box, as a power unit, will be bigger in the summer than in the future. The internal components of the stainless steel distribution box are made up of some low voltage appliances....

  • 08-09 / 2017

    How to solve the tripping of the plastic electrical distribution box?

    Tripping reason ofplastic electrical distribution box: 1. check the Air Circuit Breaker 2. check Air Circuit Breaker wiring is correct. Incorrect and re wired. 3. check the Air Circuit Breaker on the load side of the line insulation, if the short circuit grounding, after the need to troubleshoot the...

  • 08-08 / 2017

    Analysis of energy saving technology for AC contactor

    Electrical ac contactoris widely used in low voltage circuit. It is a kind of industrial necessity with safe, convenient control, large quantity and wide range. Rated current in China is now widely used in 63A and above, in the capacity of electrical ac contactor should be more than million units, t...

  • 08-05 / 2017

    What is the principle of overvoltage and undervoltage protection devices?

    Since theovervoltage and undervoltage protection devicesadopts high speed low power micro processor design as the core, the magnetic latching relay main circuit, modular double standard, when the power supply line overvoltage and undervoltage protection devices, to continue to shock quickly and safe...

  • 08-04 / 2017

    Why has the protection been connected to zero (ground), but also install residual current circuit breakers?

    The protection range is limited whether the protection is connected to the ground or the ground. For example, the protection of zero connection is to connect the metal casing of the electrical equipment to the zero line of the power grid, and to install the fuse on the power side. When the electrica...

  • 08-03 / 2017

    What is direct contact and indirect contact protection?

    When a human body contacts an electrified body, there is an electric current passing through the human body. It is called an electric shock to the human body. According to the cause of electric shock, the human body can be divided into direct electric shock and indirect electric shock. Direct electr...

  • 08-02 / 2017

    How to choose the residual current circuit breaker?

    Select theresidualcurrentcircuit breakersshould be used in accordance with the purpose and according to operating conditions: For protection purposes: ① to prevent personal shock for the purpose. Installed at the end of the line, the choice of high sensitivity, fast leakage protector. ② to prevent e...

  • 08-01 / 2017

    In accordance with the requirements of hierarchical distribution, how many settings should the distribution box have?

    Construction site general distribution according to three, so the electric box should also be graded settings, that is, under the total distribution box, set the distribution of electric boxes, distribution boxes below the switch box, switch box below is the power equipment. Themultimedia distributi...

  • 07-31 / 2017

    Why should we adopt fractional protection for residual current circuit breakers?

    Low voltage power supply and distribution generally adopts hierarchical distribution. If only at the end of the line (switch) installedresidual current circuit breakers, although leakage occurs, the fault line can disconnect, but the scope of protection; similarly, if only in the branch trunk (distr...

  • 07-29 / 2017

    What protective function does the residual current circuit breakers have?

    Theresidual current circuit breakersaremainly provided when the electric equipment has the leakage fault, and when the residualcurrent circuit breaker is installed, the overcurrent protector is additionally installed. When fuse is used as short circuit protection, the selection of its specifications...

  • 07-28 / 2017

    What are the main technical parameters of the leakage circuit breaker?

    Leakage protection switch' main operating performance parameters are: ratedresidual current, ratedresidual currentaction time, ratedresidual currentcurrent is not action. Other parameters are: power frequency, rated voltage, rated current and so on. 1. Ratedresidual currentcurrent in the specified c...

  • 07-27 / 2017

    What is the working principle of the residual current circuit breakers?

    What is the working principle of theresidualcurrentcircuitbreakers? 1. When the leakageofelectrical equipment occurs, there are two anomalies: (1) the balance of the three-phase current is destroyed, there is zero sequence current; (2) normal non-charged metal shell to ground voltage (normal, the me...

  • 07-26 / 2017

    What is the structure of the residual current circuit breakers?

    The earth leakage switch is mainly composed of three parts: detection components, the middle of amplification, operation of the implementing agencies. ① detection components. By the zero sequence transformer, the detection of leakage current, and send a signal. ② amplification link. Will be weak lea...

  • 07-25 / 2017

    Three driving force of China surge protector Market

    Surge protection deviceused in industry is closely related to the national policy guidance, such as the communications industry, construction industry, at the same time, steady development in the Chinese economic dimension under the condition of China surge protection device market experienced in pr...

  • 07-24 / 2017

    Prediction of the development trend of electrical equipment industry in China

    Prediction of the development trend of electrical equipment industry in China 1. The gap between home and abroad is shortened "13th Five-Year" period, China's low-voltage electrical products from the past to the pursuit of high yield gradually tend to pursue high quality, reliability and appearance....

  • 07-22 / 2017

    Prediction of the development trend of electrical equipment industry in China

    Looking forward to the future, China's low-voltage electrical equipment industry has the following trends: 1.Adjustment of product structure According to the national policy, the structure of low voltage electrical appliances needs further adjustment in the future. Products with backward process, la...

  • 07-21 / 2017

    The most fundamental reason for home use of fiber termination box

    The most fundamental reason for home use offiber termination box: 1. Fiber termination box, the most basic function: optical fiber protection. Friends who have used fiber optics know that fiber is thinner than hair. It's easy to break, and it's hard for us to connect. 2. Fiber termination box is des...

  • 07-20 / 2017

    What is surge protection device?

    Surge protectiondeviceis an indispensable device in the lightning protection of electronic equipment. It used to be called "lightning arrester" or "over-voltage protector". The English abbreviation is SPD. What are surge and peak voltage? Surge and peak voltage (pulse) refers to the increase of "con...

  • 07-19 / 2017

    Composition of automatic transfer switch

    Automatic transfer switch, as its name implies, it consists of one or more switches and other necessary electrical appliances.It can monitor the circuit of the power supply in real time, and the dual power automatic switch has the standby power besides the common power supply. Automatic transfer swi...

  • 07-18 / 2017

    Reasons and Maintenance Methods of Burnout of Molded Case Circuit Breaker

    Reasons for Burnout of Closing Coil ofMoulded Case Circuit Breaker 1.Circuit breaker mechanism failure. When the circuit breaker closing control circuit is normal, the circuit breaker body of the conductive rod, drive rods such as jam, or because the circuit breaker operating mechanism is not well c...

  • 07-17 / 2017

    What is the difference between load switch and electrical isolation switch?

    1. the difference between the load switch and theelectrical isolation switch is that the load switch has an arc extinguishing device, and the electrical isolation switch does not have such a device. So is there any difference between the arc extinguishing device and the arc extinguishing device? The...

  • 07-15 / 2017

    What are the advantages of plastic meter boxes?

    With the development of technology, more and more high-tech products have been introduced, the meter box before we use also change dynasties. A new kind of plastic meter box has been developed. What advantages does this product have compared with the previous one? First, analyze it from its material...

  • 07-14 / 2017

    Safety control requirements for plastic meter box

    Safety control requirements for plastic meter box: 1. Construction site low-voltage power supply system should be set up the total distribution box, distribution box and switch box, the implementation of three power distribution. 2. The total distribution box should be close to the power supply. The...

  • 07-13 / 2017

    Scope of application and maintenance points of plastic electrical distribution box

    Plastic meter box is a commonly used distribution box products, can be responsible for the end of the low-voltage power supply system to complete the power control, equipment, rack can be welded or assembled by the screw. The following main to introduce the scope of lighting distribution box and mai...

  • 07-12 / 2017

    Unique advantages of overvoltage and undervoltage protection devices

    People who have used theovervoltageandundervoltageprotectiondevices know its benefits. But do you know what are the unique advantages of the duplex over voltage protector product? Unique advantages of overvoltageandundervoltageprotectiondevices: 1, single-phase line when the over-voltage cut off the...

  • 07-11 / 2017

    What is the difference between the C-type and the D-type of the miniature circuit breaker?

    What is the difference between the C-type and the D-type of the miniature circuit breaker? Take DZ47-63 circuit breaker as an example, C, D-type structure is the difference: electromagnetic discharge is not the same. What is the demon? It is responsible for short circuit protection, simply means th...

  • 07-10 / 2017

    How to choose from the over voltage and under voltage protection devices?

    The use of overvoltageandundervoltageprotectiondevicesgreatly reduce the risk of overvoltage or undervoltage to the circuit and the electrical load. Which is equivalent to a small intelligent switch protection device, which is mainly used in the current voltage is less than 63A circuit, it is an imp...

  • 07-07 / 2017

    Working principle of residual current circuit breaker

    The residual current circuit breaker has two functions, one is the function of circuit breaker, and two is the function of residual current protection. The breaker function is the same as that of a general low voltage circuit breaker, as a switching device which is not frequently operated. The leaka...

  • 07-06 / 2017

    Safe use of circuit breakers

    Hot summer, the role of dcminicircuitbreakeris particularly prominent, then how safe use of DC circuit breakers? The following summary of the safe use of circuit breaker procedures, we hope to help. Safe use of circuit breakers 1.Thecircuitof dcminicircuitbreaker is connected, you should check the w...

  • 07-05 / 2017

    Install the home electric meter box

    Home electricmeterboxis essential for each household electrical devices, home circuit is the total control switch, home electricmeterboxinstallation related to the daily control of the home circuit, so how to properly install, it is particularly important. The same time as the above- First, the home...

  • 07-04 / 2017

    Detailed explanation of the working principle of residual current circuit breaker

    1. Working principle of residual current devices Residual current circuit breaker, as its name suggests, is a device to protect the residual current of electricity, which is very important in the household, of course, in other occasions there are special devices. When the current in the power supply...

  • 07-01 / 2017

    Installation and Maintenance Precautions of Molded Case Circuit Breaker

    Whether it is molded case circuit breaker or isolated circuit breaker, are perennial and electricity to deal with, electricity is a double-edged sword with a very easy to hurt. In order to reduce the occurrence of accidents and everyone's safety, or to let you understand the installation and mainten...

  • 06-30 / 2017

    Smart low-voltage appliances era: change our life!

    The arrival of the era of intelligence, reduce the operation and production costs of enterprises, but also change your life. The application of intelligent technology in the manufacture of low voltage electrical apparatus makes the low-voltage electrical equipment develop towards the fourth generati...

  • 06-29 / 2017

    Components: technology development of the new generation of molded case circuit breaker

    In the low-voltage transmission and distribution network, Molded Case Circuit Breaker is one of the important basic components, for those who often occur electricity equipment overload, short circuit of the occasion, can safely and reliably cut off the fault current, to prevent the accident to endan...

  • 06-28 / 2017

    Common Faults and Treatment of residual current circuit breakers

    Common Faults and Treatment of rcbo circuit breaker 1. The tripwhen just put into operation 1) Three-phase power lines, including the zero line is not in the same direction through the zero sequence current transformer, correct wiring can be. 2) Install the rcbo circuit breaker and the circuit witho...

  • 06-27 / 2017

    Large role of miniature circuit breaker in fire prevention

    Everyone knows that fire prevention is inevitable. At ordinary times, wherever we go, we see the most fire advertisements, and there are some knowledge theories about fire prevention everywhere. The dz47 mcb are the most important electrical component to avoid fire. So, what's the function of the mi...

  • 06-26 / 2017

    The most fundamental reason for home use of fiber termination box

    The most fundamental reason for home use of fiber termination box: 1. Fiber termination box, the most basic function: optical fiber protection. Friends who have used fiber optics know that fiber is thinner than hair. It's easy to break, and it's hard for us to connect. 2. Fiber termination box is de...