NEWS

NEWS

  • 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...

  • 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...

  • 07-08 / 2017

    The difference between residual current circuit breaker and residual current protector

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

  • 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...

  • 06-24 / 2017

    The reason for the failure of the distribution box

    When we use the distribution box, the failure is inevitable, but be sure to understand the cause of the failure, so that it will be more convenient maintenance, the following is the distribution box manufacturers to explain the reasons for its failure. 1.Low-voltage electrical failure caused by the ...

  • 06-23 / 2017

    What items should I pay attention to when installing the meter box?

    The electric meter box believed everybody is not strange, we each household has the electric meter, but the electric meter box is puts together the electricity meter, in order to facilitate later repair and management. Then, what items should I pay attention to when installing the meter box? Now let...

  • 06-22 / 2017

    Installation method of residual current circuit breaker in plastic meter box

    Installation method of residual current circuit breaker in plastic meter box: 1. Wiring of residual current protector It is necessary to connect the power supply line to the top of the leakage protector, i.e., the power source or the inlet line is marked on the outer shell, and the outlet lines are ...

  • 06-21 / 2017

    Design requirements for Voltage Protector

    Voltage Protector(overvoltage and undervoltage protection devices) can protect circuit and electricity load effectively, reliably and safely, completely inseparable from the self-complex over-voltage protection of a reasonable, reliable and scientific design methods. If you want to achieve effective...

  • 06-20 / 2017

    The unique advantages of over voltage and under voltage protection devices

    People who have used over voltage and under voltage protection devices know their benefits. But do you know what are the unique advantages of the voltage protector? The following are the unique advantages of over voltage and under voltage protection devices: 1. When the single-phase line is under vo...

  • 06-19 / 2017

    Classification of Surge Protective Device

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

  • 06-17 / 2017

    How to select and use the automatic transfer switch

    Automatic transfer switch is mainly used in emergency power supply system, switch the load circuit automatically from one power source to another power switch, so as to ensure the continuous and reliable operation of important load. Therefore, the automatic transfer switch is often used in the impor...

  • 06-16 / 2017

    The function of molded case circuit breaker

    Molded case circuit breaker( MCCB ) has the following common functions: 1. Auxiliary contact (auxiliary switch). They are electrically isolated from the main contact and are suitable for alarm and program switches. In addition to being used for alarm, the standby power can also be switched on in im...

  • 06-15 / 2017

    Detailed introduction of AC contactor

    AC contactor (cj19 magnetic contactor) is used to control the circuit, mainly to break the circuit and realize the remote control circuit. AC magnetic contactor mainly uses auxiliary contacts to realize control instructions, so as to achieve the purpose of remote control circuit. The main contact is...

  • 06-14 / 2017

    Installation method of domestic power distribution box

    Installation method of domestic power distribution box 1. The surface installationdistribution box, which is mounted on the wall, the foot bolt (tube expansion bolts) fixed, bolt length is generally buried depth (75 ~ 150mm), box bottom plate thickness, the thickness of the nut and washer, plus abou...

  • 06-13 / 2017

    The using requirements of residual current protection device

    The rcbo circuit breaker, generally referred to as a protector, is widely used and popularized in rural areas as an effective measure to prevent people from electrocution and casualty accidents. It is very important to understand the function of the rcbo circuit breaker in the distribution system,to...

  • 06-12 / 2017

    Application of Residual Current Circuit Breakers in rural power network

    The capacity of rural distribution network is small, and the load distribution is dispersed. But on the whole, the low voltage power grid can be divided into three layers: distribution transformer station, branch distribution box and user end. Three-level protection is a form of combination of dire...

  • 06-10 / 2017

    How to deal with residual current circuit breakers?

    In the use of residual current circuit breakers, sometimes encountered leakage protector tripping phenomenon. What should happen if there is such a situation? What is the cause of the tripping of the residual current circuit breaker and what should be done? This article will answer you one by one. C...

  • 06-09 / 2017

    Why should fuse be added to surge protection device?

    Why should fuse be added to surgeprotectiondevice? 1. To prevent damage to SPD(surge protection device) and its lines due to lightning strikes (for discharge gap type devices). 2. Easy maintenance and replacement SPD. 3. To prevent the line due to SPD aging (such as mov device leakage increases) cau...

  • 06-08 / 2017

    How to deal with the fault of RCCB

    Shortcircuit, leakageand other common faultsoften occurs in the use of electrical equipment, the fault will usually cause devastating damage to electrical equipment, so we have to use the installation of a circuit breaker electrical equipment, when the leakage occurs, circuit fault circuit breaker f...

  • 06-07 / 2017

    Design requirements for over voltage and under voltage protection devices

    Over voltage and under voltage protection devices can 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 achiev...

  • 06-06 / 2017

    How to choose the residual current circuit breakers correctly?

    Indirect shock in different places can cause varying degrees of injury to people, so different residual current circuit breakers should be installed in different places. Here to introduce how to select residual current circuit breaker. For the place where the electric shock is more dangerous, the re...

  • 06-06 / 2017

    The main function of molded case circuit breaker:

    The main function of molded case circuit breaker: 1. Under normal circumstances to connect and disconnect the no-load and load current in high voltage circuit; 2. In system fault, it with protection device and automatic matching device, quickly cut off the fault current, prevent the accident, so as ...

  • 06-03 / 2017

    The difference between molded case circuit breaker and miniature circuit breaker

    Molded case circuit breaker (MCCB) is mainly used to protect the low voltage distribution system and motor protection circuit from overload and short circuit. Because of its reliability and stability, it has become a widely used product in industry. MCCB also has a wide range of use and large quanti...

  • 06-02 / 2017

    AC contactor has good electrical conductivity and high temperature ablation

    AC contactors (cj19 magnetic contactor) are widely used inpower on-offand controllingcircuits. It uses the main contact to open and close the circuit, usesauxiliary contacts to executecontrol instructions. The main contact is generally only normally open contacts, and auxiliary contacts often have t...

  • 06-01 / 2017

    Several points of scientific use of circuit breakers

    DZ47-63circuitbreakerrated voltage is greater than or equal to the rated voltage circuit breaker; undervoltage tripping device rated voltage is equal to rated voltage lines; shunt tripping device rated voltage is equal to the supply voltage circuit breaker rated current; DC circuit breaker shell gra...

  • 05-31 / 2017

    Installation specification for PZ30 plastic electrical distribution box

    PZ30 plastic electrical distribution box as a common household distribution box, I believe many friends have heard of this product, and the characteristics and advantages of pz30 distribution box and some friends have a considerable degree of understanding, for her common sense in the tens of millio...

  • 05-28 / 2017

    Considerations for overhaul and maintenance of double power supply

    One. Double power supply in the maintenance of the existing problems 1. Double power automatic switch (200 amp automatic transfer switch), maintenance and repair, the circuit is not complete power, resulting in some mechanical or electrical equipment live. 2. The power supply system both ends of the...

  • 05-27 / 2017

    Principle of contactor

    The working principle of DC contactor (such as cj20 dc contactor): when the coil is energized, the magnetic field generating coil current, the stator generates electromagnetic attraction on the moving core, and drives the contact action: normally closed contact is disconnected, normally open contac...

  • 05-26 / 2017

    Four important parts of AC contactor and its working principle

    Four important parts of CJ19 AC contactor and its working principle 1- Arc shield, 2- Contact pressure spring sheet, 3- Main contacts, 4- Reaction spring, 5- Coil, 6- Short circuit ring, 7- Static core, 8- Spring, 9- Moving core, 10- Auxiliary normally open contact, 11- Auxiliary normally closed co...

  • 05-25 / 2017

    How does the molded case circuit breaker work?

    The circuit breaker refers to the closing, carrying and breaking current loop normal conditions, and can close, carrying and breaking abnormal circuit conditions within the prescribed period of time (including short-circuit conditions) under current switching device. At present, it has been widely u...

  • 05-24 / 2017

    CPS control and protection switch has been closely related to our life

    CPS control protective switch is a part of our life, because life is now we cannot do without electricity, it is a connection to life and electricity that we have in our lives plays a very important role, but it and the traditional switch is not the same, while the CPS protection switch which is a s...

  • 05-23 / 2017

    Safe use procedures of circuit breakers

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

  • 05-22 / 2017

    Difference between miniature circuit breaker and residual current circuit breaker

    Miniature circuit breakers and residual current circuit breakers are common: circuit breakers. Miniature circuit breaker with residual current circuit breaker: small difference circuit breaker is short-circuit accident or failure to tripping, and leakage protection circuit breaker is personal electr...

  • 05-20 / 2017

    The function of eletric meter box?

    The electric meter box is widely used in every field of national economy, as an important support of the industry, national defense construction and major project construction, is an important basic industry of our national economy, and is the necessities of people's daily life. With the competition...

  • 05-19 / 2017

    Overview of load Isolation Switch

    Definitionof Load Isolation Switch: Load switch is a normal circuit in the working state, to break and close their own circuit switch device, which load switch which contains the arc device, the internal structure is also very simple. The role of load isolation switch: The function of the load isola...

  • 05-17 / 2017

    The use of transparent plastic meter box in everyday life

    The use of transparent electric meter box is actually a lot of families are used in this way, perhaps in life do not often go to pay attention, so sometimes say it was a bit strange, now use about meter box is mainly based on the reality of the degree is divided into two parts. For the current and v...

  • 05-16 / 2017

    Characteristics and function of isolation switch

    The main function of the electricalisolationswitchis to isolate the power supply and switch circuit, so that the equipment and power supply has a clear disconnect point to ensure the safety of maintenance personnel. No special arc device, can only turn off the smaller current, and can not break the ...

  • 05-15 / 2017

    Poles of the circuit breaker type

    Residualcurrentcircuit breaker models will include the number of poles, such as DZ47LE-16 2P C16A type residualcurrentcircuit breakers produced by TAIXIElectric, of which 2P is the number of poles. In addition, in the residualcurrentcircuit breaker will encounter such as 3P, 4P, 3P + N and other dif...

  • 05-13 / 2017

    Concrete function of fiber termination box

    1. The main function of the fiber termination box is actually the centralized management of all weak current from each room, which contains different modules, such as cable TV splitter, can take a cable branch for the four or five distribution to different rooms without affecting the transmission pe...

  • 05-05 / 2017

    The development trend of the circuit breaker

    Chinese low voltage miniature circuit breakers are development as the direction of requirements of "miniature, modular, multi-function, modular accessories, high breaking, low noise, reliable work, and gradually realize the intelligent", constantly create new products meet the needs of the times. Th...

  • 05-04 / 2017

    What is the configuration of the fiber access box?

    Configuration informationof fiber termination box Fiber splice tray. Used for fiber welding, branch; cover can be reversed, the disk can be superimposed, expand the capacity, installation, use is extremely convenient. Fiber clip. The fiber optic cable connected to the splice tray is fixed Network mo...

  • 05-03 / 2017

    Matters needing attention in installation and use of electric meter box

    Matters needing attention in installation and use of plastic meter box or electric meter box 1. Please carefully check the meter box parts in the installation. 2. Installation location should be selected without severe vibration, the impact is not enough to damage the electrical components of the pl...

  • 05-02 / 2017

    Explore the application of DC circuit breakers

    With the development of science and technology, photovoltaic products have been widely used, such as TAIXIElectric TXCM1Z series of DC Molded Case circuit breaker(80 100 150 250 300 400 amp dc circuit breaker, dc mccb), sowhat placeisthe DC circuit breaker suitable for? Let‘s explore it. For example...

  • 04-29 / 2017

    How to deal with abnormal AC contactor

    AC contactor (from TAIXI electrical ac contactor manufacturers) is not normal refers to the actuation of AC contactor 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: 1. The power supply vo...

  • 04-28 / 2017

    Conversion conditions of double power supply automatic switch

    The purpose of the electrical transfer switch we needisthatATSE canautomatically and reliably convert under "specific" conditions. This "specific condition" is the conversion condition of ATSE, or the premise of conversion, is the first choice to consider the elements of ATSE. 1.If common power has ...

  • 04-27 / 2017

    Answer all the questions

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

  • 04-26 / 2017

    Selection of different types of miniature circuit breakers

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

  • 04-25 / 2017

    Investigation report on future development trend of photovoltaic DC circuit breaker

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

  • 04-24 / 2017

    Maintenance and inspection of AC contactor

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

  • 04-22 / 2017

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

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

  • 04-21 / 2017

    DC miniature circuit breaker - small size, great effect!

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

  • 04-20 / 2017

    Domestic development of dual power automatic transfer switch

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

  • 04-19 / 2017

    Double power supply automatic transfer switch

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

  • 04-18 / 2017

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

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

  • 04-17 / 2017

    Detailed introduction of working principle of DC circuit breaker

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