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07-19 / 2018

How to install the regulator

In the case of voltage instability, the first thing to consider is to buy a voltage stabilizer. However, when we buy a SVC Single Phase Voltage Stabilizer, how to install the voltage stabilizer is really a concern for the users, in fact that was not the case, the installation and wiring of the stabi...
07-16 / 2018

Failure analysis of high voltage vacuum circuit breaker

High voltage vacuum circuit breaker (HV circuit breaker) is one of the key electrical appliances related to the effective control of power system. It can guarantee the normal and efficient operation of the circuit system only by maintaining its good running state. According to the key functions of t...
07-12 / 2018

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

The circuit breaker is a kind of technical equipment which can protect the power line and motor according to the current size. The development of science and technology also promotes its final fusion of intelligent technology, and the intelligent circuit breaker is also beginning to face the market ...
07-09 / 2018

Technology status of AFCI Circuit Breaker

Technology status of AFCI Circuit Breaker AFCI Circuit Breaker uses electronic technology to identify arc state, and fault arc detection is the key link of arc fault protection. The study on arc and fault arc detection began in the late 1980s and early 90s in the United States. By means of light, he...
07-05 / 2018

New selection of circuit protection: Arc Fault Circuit Interrupter

It is important to prevent the fire of electrical fires that are the highest in the fire hazard, and to prevent fires from becoming more "burning". The Arc Fault Detection Devices(AFCI), designed to prevent electrical fires at the beginning , was created. Electrical fires mainly originate from: (1) ...
07-02 / 2018

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

It is known that traditional circuit breakers only protect the overcurrent, short circuit and leakage, and the home Arc Fault Detection Devices (AFCI) I introduced today is a new function based on the traditional circuit breaker - protecting the fault arc, to prevent the fire caused by the arc. In t...
06-28 / 2018

Overview of vacuum circuit breakers

Vacuum Circuit Breakers are the circuit breaker that contacts and breaks contacts in vacuum. The Vacuum Circuit Breakers were first studied by Britain and the United States, and then developed to other countries such as Japan, Germany and the former Soviet Union. China began to study the theory of ...
06-25 / 2018

Analysis of common problems in vacuum circuit breakers

In the power system, Vacuum Circuit Breakers play a very important role, so in use, it is necessary to ensure the normal operation of the vacuum circuit breaker, of course, when necessary, it is necessary to observe the condition of the vacuum circuit breaker in real time. Once the vacuum circuit br...
06-21 / 2018

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

With the development of electronic technology, the electronic deionization unit has also been widely used in Moulded Case Circuit Breaker. At the same time, as people's awareness of personal electric shock and electrical fire protection is enhanced, the use requirements of the grounding protection f...
06-19 / 2018

How Circuit Breakers Work?

The circuit breaker is an absolutely essential device in the modern world, and one of the most important safety mechanisms in your home. Whenever electrical wiring in a building has too much current flowing through it, these simple machines cut the power until somebody can fix the problem. Without c...
06-15 / 2018

The development trend of China's Transformer Industry

With the continuous development of the national economy, the demand for electricity has always been increasing. As the main equipment in the transmission and transformation system, the development of the Transformer is also long-term and stable. In order to better meet the market demand, many transf...
06-14 / 2018

Do you know what leakage circuit breaker products we made?

TAIXI Electric is unique in the field of R&D and production of leakage Circuit Breakers. Over the past 10 years, TAIXI Electric has used powerful research and development to create a series of products of the TAIXI Electric Leakage Circuit Breaker. TAIXI Electric Leakage Circuit Breaker Series i...
06-11 / 2018

The difference between the DC contactor and the AC contactor

DC contactor and AC contactor are all kinds of contactors, and are one of the important components in the automatic control system. There are some differences between the DC contactor and the AC contactor. What are the specific differences? The following Xiaobian came to introduce the difference bet...
06-07 / 2018

Why should customers watch out for the fake

Nowadays, there are many businesses in the market with the flag of the smart electric meter box, which are sold to the consumers with the imitated high energy energy meter, and the interests of the consumers are seriously damaged. Even some businesses have colluded with some power companies, and the...
06-04 / 2018

What protection functions does soft starter have?

What protection functions does soft starter have? (1) Overload protection function: the soft starter introduces the current control loop, so it can track and detect the change of the motor current at any time. By increasing the overload current setting and the inverse time control mode, overload pr...
05-31 / 2018

The difference between air switch and leakage switch

Generally, it is better to install the air switch at the end of the electric meter, because the distance of the line is far away. If the failure rate of the leakage protection switch is increased relatively, it may be caused by the wire. The leakage switch is better before the use of the equipment. ...
05-29 / 2018

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

If you want to choose a suitable Leakage Circuit Breaker can be understood from two aspects. It can help everyone. Let's take a look at it together with Xiaobian. First, choose according to the purpose of use and where the electrical equipment is located 1. Protection against direct contact with ...
05-28 / 2018

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

EPS emergency power supply is a centralized emergency power supply, and the EPS emergency power supply is usually installed in the distribution room of the building, so it can not only effectively centrally manage the equipment, but also can not easily be affected by the fire in the case of fire. ...
05-26 / 2018

Why is the automatic reclosing circuit breaker so popular?

As a necessary accessory for terminal distribution, the circuit breaker products can protect the control and protection of the power system to the load system. Through the detection of line overload, short circuit, leakage and other fault conditions to make a corresponding tripping action to protect...
05-24 / 2018

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

With the popularization of audio-visual equipment now, electricity is used in many places, so the application scope of the electric meter box has been further improved. At present, we all know that the place and scope of electricity use is not only confined to family life, but also more involved in ...
05-23 / 2018

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

The rated leakage current refers to the value of leakage current that is required to ensure that the leakage circuit breaker must operate under the conditions specified by the manufacturer. Leakage circuit breaker rated leakage current is mainly 5,10,20,30,50,75,100,300 mAh, etc. Earth Leakage Circu...
05-22 / 2018

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

If you want to choose a suitable Earth Leakage Circuit Breaker ELCB can be understood from two aspects. It can help everyone. Let's take a look at it together with Xiaobian. First, choose according to the purpose of use and where the electrical equipment is located 1. Protection against direct ...
05-21 / 2018

Installation principle and precautions of DC circuit breaker

Principles and points for attention of type and installation of DC Circuit Breaker: 1. the type of DC mini circuit breaker should be installed horizontally or vertically. The special type of DC circuit breaker should be carried out according to the requirement of product description. 2. The type ...
05-17 / 2018

The effect of the stabilizer

With the rapid development of society, the use of electrical equipment is increasing day by day. However, the aging and development lag of power transmission and distribution facilities, as well as the poor design and insufficient power supply cause the low end user voltage, while the line head user...
05-14 / 2018

Main wiring method of motor soft starter

1. Online type: All the Soft Starter Controllers have motor overload protection. When the soft starter runs online, the soft starter controller can overload the motor and do not install the thermal overload relay. Because the current harmonic current after the SCR is very large, the electronic ther...
05-10 / 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...