সংবাদ প্রতিবেদন
সংবাদ
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11-18 / 2016
When you buy Molded Case Circuit Breaker you have to think about problem
With the circuit breaker is becoming increasingly popular, many industries can use the family can also be used. But the MCCB relates to personal safety, can casually buy. It is not an ordinary commodity, buying is not love directly away. If the quality of circuit breaker does not pass, will have ver...
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11-18 / 2016
The use of self dual over voltage protector to protect our life electricity
We are for security issues very seriously, every day, our life may appear all kinds of accidents and disasters, in order to ensure the effect of our wonderfull life is not affected by the accident, so the protection of life safety is very important for the power line very dangerous road to our very ...
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12-22 / 2016
Comparison between the two most common protective appliances
Whether it is used in electrical or industrial life, there is the risk of short circuit or lightning, it is particularly important to protect the electrical appliance market. The protection is mainly divided into two types: one is the circuit breaker, fuse is two. Many types of circuit breakers, non...
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02-27 / 2017
Classification of Distribution Circuit Breakers
For the distribution type circuit breakers , it has Class A and Class B: Class A is a non-selective type, Class B is an optional type. Selective type refers to the circuit breaker with overload long delay, short circuit short delay and short circuit instantaneous three protection characteristics...
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03-01 / 2017
Why are you need to use the firber box?
As the shelter of the family, has not only called for the realization of electrification and automation, but also requires intelligent and humane. The use of modern information technology, households can do homes, enjoy more exciting and rich information-based life - such as online shopping, stocks,...
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03-06 / 2017
The disconnector uses the basic information associated with the switch
Our life is often used to a thing, this thing is called isolation switch, the use of this switch and appear in our country is already very common, but the use of the location is not the same, and in the installation and some The location of the choice is also a certain degree of differentiation, in ...
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03-10 / 2017
What is the normal working state of the limit automatic controller?
The current limit automatic control device(Current limiter) is used in the control circuit which is satisfied in the AC current and the working voltage to ensure that the system is powered according to the predetermined electric power! Once the electric load exceeds the specified range value, the co...
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05-23 / 2017
Safe use procedures of circuit breakers
In the hot summer, the role of DC circuit breaker is particularly prominent, then how to use DC circuit breaker safely? The following summarizes the safe use of circuit breakers, we hope to help. Safe use procedures of circuit breakers 1. After the circuit of DC miniature circuit breaker (c45n dc m...
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06-19 / 2017
Classification of Surge Protective Device
Surge protection device (SPD) is also called surge protector, is used to limit transient overvoltage and leakage protection devices on the guidance of nonlinear surge current of charged system, rush or to protect the low voltage level of electrical or electronic systems against lightning and lightn...
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07-08 / 2017
The difference between residual current circuit breaker and residual current protector
Circuit breaker: circuit breaker is to control the electrical circuit of the switch, if the air for the arc medium called air circuit breaker (switch). The circuit breaker is normally rated at the rated current (load) and is used as the main switch for the electrical circuit. Residualcurrentprotect...
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08-07 / 2017
How to install residual current circuit breakers in transparent meter box
How to install residual current circuit breakers in transparent meter box: 1. Residual current circuit breakers The power supply line must be connected directly to the leakage maintenance device, that is, the shell marked "power" or "line" side; outlet are connected to the bottom, that is marked ...
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08-12 / 2017
The surge protection device helps the traffic control system run smoothly in any weather
An absolutely reliable traffic control system is essential for a busy hub. The only way to ensure safe traffic is to use a dynamic display that automatically adapts to traffic flow. Our implementation of a major problem facing the objective is to install a can in the daytime and night and all weath...
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08-16 / 2017
Application and Development Trend of fiber termination box
The fiber termination box is a product specifically designed for fiber to the home (FTTH). Fiber access box as a fiber-optic home access tool, and fiber-to-home national policy strong support, we can see how much fiber users on the benefits. So, how to choose a good "fiber home" information box? ...
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08-18 / 2017
Why should a fuse or circuit breaker be installed in the SPD circuit?
The internal core of surge protection device is a Zinc Oxide varistor. Zinc Oxide is composed of grains and the grains are separated by a grain boundary layer with a P-N junction semiconductor structure. These grain boundary layers determine the V-I characteristics of varistors. When the surge curr...
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08-22 / 2017
Structure features of electrical isolation switch
The electrical isolation switch adopts modular design, which is suitable for connection and breaking circuit or electrical isolation. More than 1000A is only used for electrical isolation. The isolation switch adopts the spring energy storage, instantaneous release acceleration closing mechanism, a...
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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 circ...
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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 ...
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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 th...
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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 t...
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09-01 / 2017
The role of under and over voltage protection protector
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...