NEWS

NEWS

  • 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...

  • 05-10 / 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...

  • 05-08 / 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...

  • 05-07 / 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...

  • 05-07 / 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...

  • 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...

  • 04-29 / 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 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...

  • 04-26 / 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...

  • 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...

  • 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...

  • 04-19 / 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...

  • 04-16 / 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...

  • 04-12 / 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...

  • 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 ...

  • 04-07 / 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...

  • 04-07 / 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...

  • 04-06 / 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. ...

  • 04-02 / 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...

  • 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...

  • 03-12 / 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...

  • 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...

  • 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...

  • 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...

  • 01-20 / 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...

  • 01-06 / 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...

  • 01-04 / 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...

  • 12-29 / 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...

  • 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 ...

  • 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...

  • 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...

  • 09-20 / 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...

  • 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...

  • 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 ...

  • 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 ...

  • 08-30 / 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 ...

  • 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...

  • 08-28 / 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...

  • 08-26 / 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...

  • 08-24 / 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...

  • 08-23 / 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...

  • 08-22 / 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...

  • 08-21 / 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 ...

  • 08-18 / 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...

  • 08-17 / 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...

  • 08-16 / 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...

  • 08-15 / 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...

  • 08-12 / 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...

  • 08-11 / 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...

  • 08-07 / 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" ...

  • 08-05 / 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...