NOTICIAS

NOTICIAS

  • 04-06 / 2017

    Basic knowledge of AC contactor that you should understand

    What is normally open normally closed contact? Normally open NO - in the absence of contact, the contact is open; Normally closed NC - in the absence of contact, the contact is closed; When working, the normally closed contact is disconnected first, and the normally open contact is closed again. Wh...

  • 04-05 / 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 breakers and miniature circuit breakers, The difference is as follows: The main function of molded case circuit breaker(CM1LE residualcurrentmoldedcasecircuitbreakers)is to provide protection for ove...

  • 04-02 / 2017

    Working principle of AC contactor

    1. Introduction The utility model relates to a contactor, which is a device which uses a coil to flow through an electric current to generate a magnetic field to make the contact close. AC contactor as a kind of contactor, the completion of the role of the control load, but also on the basis of the...

  • 04-01 / 2017

    Causes of tripping of circuit breaker

    The leakage protection circuit breaker (RCCB, RCD) is a switch which can automatically operatewhen the leakage current exceeds the preset value. Commonly used circuit breakers are divided into two types of voltage and current, and the current type is divided into electromagnetic and electronic type ...

  • 03-31 / 2017

    Structural features of Voltage Protector

    1. The Voltage Protector (under voltage protection circuit breaker and over voltage protection circuit breaker) is composed of a shell, an operating mechanism, a thermal release, an electromagnetic trip unit contact system, an arc extinguishing system and a over-undervoltage protection circuit boar...

  • 03-30 / 2017

    The difference between CB level and PC level of ATSE

    1.Both of the two mechanical design conceptsaredifferent. The equipment is converted to dual power switch (solar transfer switch), and not used as line segments and line protection, ATSE should not take short circuit and overcurrent protection function. CB ATSE by two circuit breaker. The circuit b...

  • 03-29 / 2017

    Development trend of dual power automatic transfer switch (ATSE)

    Generally consists of two parts: ATSE electrical switch body controller. The development trend of ATSE (dualpowertransferswitch) mainly includes two aspects: one is the main switch, with anti impact current ability is very high, and frequent conversion; with reliable mechanical interlock, to ensure...

  • 03-28 / 2017

    Development of dual power automatic transfer switch (ATSE)

    With the rapid development of economy and the improvement of people's living standard, people have more and more requirements on the reliability of electric power. Power is the ability of the power system reliability of continuous power supply bureau, now 35KV substation realizes the dual power supp...

  • 03-27 / 2017

    Working principle of DC circuit breaker

    The application of DC circuit breaker is 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 the ...

  • 03-25 / 2017

    Application of control and protection switch

    Control and protection switch products usea single product structure of modularization, integratedmain functions of the traditional circuit breaker (fuse), contactors, overload (or overcurrent, open phase)protective relay, starter, isolator, mainly used in the power systemofAC 50Hz (60Hz), rated vo...

  • 03-24 / 2017

    Installation and application notice of AC contactor

    Precautions before installation of AC contactor: 1 Contactor should be carefully checkedwhether the nameplate data meets the requirements in the contactor circuit before installation, whetherthe coil working voltage meetscontrol power rated voltage. 2 Contactor appearance should be good, no damage....

  • 03-23 / 2017

    Characteristics of FTTH optical fiber home information box

    FTTH Box (fiber termination box) is mainly refers to a kind of transmissionmode for communication byoptical fiber, optical fiber received in the homes, it can bring greater bandwidth for users, to speed up the network traffic speed, so that the network environment and power supply requirements becom...

  • 03-23 / 2017

    Five connection methods of multimedia information box and wiring box

    Multimedia information box, distribution box wiring mainly has the following connection methods: 1.Star connection 2.Bus connection 3.Power line carrier connection 4.Infrared connection (IR) 5.Wireless (RF) connection First, from the stability perspective, star connection is the most stable and re...

  • 03-20 / 2017

    Selection precautions for miniature circuit breaker

    1.The impact of ambient temperature on the rated current.overload protection characteristics of dz47-60circuitbreakerwithshunttripare usually completed by the sampling element (resistance) and induction components (hot bimetallic), hot bimetallic sheet heated and bent over a certain limit, release ...

  • 03-16 / 2017

    What are the selection principles of miniature circuit breakers?

    1. General selection principle Rated operating voltage of the miniaturecircuit breaker ≥ line rated voltage Rated current of the miniaturecircuit breaker ≥ line calculation load current Rated short-circuit making-breaking capability of the miniature circuit-breaker ≥ The maximum short-circuit curre...

  • 02-28 / 2017

    What are the issues to consider when purchasing a molded case circuit breaker?

    With the molded case circuit breaker/mccb more and more popular, many industries can be used, the family can also be used. But molded case circuit breaker is close to personal safety, can not casually buy. It is not like ordinary goods, buy do not like to throw away directly. If the quality of molde...

  • 09-18 / 2016

    The innovation of two-dimensional bar code management, push the rapid development of electrical.

    Recently, the technology used in the TAIXI electrical products automatic identification of a new image, it records all the information product is born, only need to scan, from parts to assembly to finished products to all the user's data can all be revealed, it is the two-dimensional bar code, two-d...

  • 02-23 / 2017

    TAIXI Electric recommends a new type of automatic reclosing circuit breaker

    According to statistics, 80% of the low-voltage circuit breaker tripping, are caused by the cause of chance, and by the permanent failure caused by low-voltage circuit breaker tripping ratio of not more than 10%. In particular, the residual current circuit breaker, resulting in its malfunction for ...

  • 02-16 / 2017

    Selection of circuit breakers for motor protection

    There are two different ways of using the circuit breaker for motor protection. One is to control the motor in series with the other switchgear (such as knife switch, contactor, etc.), that is, the circuit breaker is only short circuit, overload or under voltage protection. , The normal operation by...

  • 11-18 / 2016

    L7 miniature circuit breaker performance and use environment

    The instrument in industrial and commercial and residential places will use a lot of people do not understand, such as the L7 circuit breakers. The breakers are important to ensure that under normal circumstances, let the line conversion in frequent operation, can be used in many places. But you sho...