أخبار
أخبار
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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. ...
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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...
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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...
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03-26 / 2018
AC contactor function
Wct household ac contactor function: the main work of the AC 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 the auxiliary contact and t...
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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 ...
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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 is electrical equipment. The key protection object of electric leakage protection is the person. The over voltage protector is to detect the power supply voltage and decide whether to act or not, and the leakage protector is ...
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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 AC contactor is made as a wh...
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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...
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03-06 / 2018
Safety regulations of circuit breakers
In summer, miniaturecircuit breakers are particularly important, so how to use a miniaturecircuit breaker 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 breaker is well connected, i...
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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...
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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...
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01-06 / 2018
Comparison of molded case circuit breaker and frame circuit breaker
The molded case circuit breaker, 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 circuit breaker is use...
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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...
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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...
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09-20 / 2017
Common sense of residual current circuit breakers
There are many common sense of residual current circuit breakers 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 residual cur...
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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 ...
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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, Mainly used for AC 50Hz (60Hz), rated voltage to...
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08-29 / 2017
What are the main points for the daily maintenance of molded case circuit breakers?
In order to make 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, what are the...
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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...
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08-24 / 2017
Can the DC molded case circuit be used only in the DC system?
AC molded case circuit breaker can not be used in DC circuit. Because AC system and DC system have different grounding modes, the breaking capacity of molded case circuit breaker will be greatly affected. Can the DC mccb be used only in the DC system? The main difference between DC molded case circu...