NOUVELLES
NOUVELLES
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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...
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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 ...
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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 contactor is absorbed after the start of the machine, the fan w...
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01-13 / 2018
What are the requirements for the wiring when the EPS emergency power supply is used?
EPS emergency power supplyis 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, and the steel pipe can also be used as a non - delayed ignition wire with a he...
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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...
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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...
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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...
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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, demand for optical fiber w...
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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...
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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. Switch using spring energy storage, instantaneous release of the acceleration of institutions and their colleagues turn on and off the parallel...
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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...
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12-19 / 2017
What is the difference between disconnectors and isolation switches?
The 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 switching d...
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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...
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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...
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09-28 / 2017
Development of molded case circuit breakers
With the continuous development of modern science and technology, new 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 intern...
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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...
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09-26 / 2017
Attention should be paid to the installation, application and maintenance of molded case circuit breakers
MCCB 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 achieve real-time interactive ...
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09-25 / 2017
How does the overvoltage and undervoltage protection devices work?
We knowovervoltage and undervoltage protection devicesare important over-under voltage protection device, 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 l...
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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...
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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 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 vol...