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HABER

HABER

  • 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...

  • 12-27 / 2017

    How should consumers choose small circuit breakers?

    In the face of more and more miniaturecircuit breakers in 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...

  • 12-25 / 2017

    Structural characteristics of load isolation switch

    1. Load isolation switch modular 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 pa...

  • 12-21 / 2017

    How to ensure the quality of the electric meter box industry

    The electric meter box is 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 com...

  • 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. The electrical isolation switch is one of the simplest switching...

  • 10-07 / 2017

    Isolation requirements for electrical isolation switch

    In everyday life, we may all be useful for electrical 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 b...

  • 09-29 / 2017

    Working principle of DC circuit breaker

    The application of dc mini 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...

  • 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 inter...

  • 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...

  • 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...

  • 09-25 / 2017

    How does the overvoltage and undervoltage protection devices work?

    We know overvoltage and undervoltage protection devices are 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 principl...

  • 09-24 / 2017

    Installation of load isolation switch

    This paper mainly discusses some problems about the installation of load 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 ins...

  • 09-23 / 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 v...

  • 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 meter box, and the utilization rate is higher and higher. But few friends pay close attention to the benefits of the plastic meter box structure material. Many friends just see some advantages of the...

  • 09-21 / 2017

    The future development trend of distribution box and distribution cabinet industry

    For the distribution box, distribution cabinet industry, quality will determine the fate of the manufacturing enterprise. The irreplaceable nature of the distribution box and the distribution cabinet products in the power distribution process is directly related to the safety of the terminal custom...

  • 09-19 / 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 repa...

  • 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 p...

  • 09-17 / 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 achie...

  • 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 of electrical ac contactor are determined. 1. contactor coil voltage should generally be lower, so that the insulation requirements of the contactor can be red...

  • 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 ...