সংবাদ প্রতিবেদন
সংবাদ
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07-17 / 2017
What is the difference between load switch and electrical isolation switch?
1. the difference between the load switch and the electrical isolation switch is that the load switch has an arc extinguishing device, and the isolating switch does not have such a device. So is there any difference between the arc extinguishing device and the arc extinguishing device? The so-calle...
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07-15 / 2017
What are the advantages of plastic meter boxes?
With the development of technology, more and more high-tech products have been introduced, the meter box before we use also change dynasties. A new kind of plastic meter box has been developed. What advantages does this product have compared with the previous one? First, analyze it from its materia...
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07-14 / 2017
Safety control requirements for plastic meter box
Safety control requirements for plastic meter box: 1. Construction site low-voltage power supply system should be set up the total distribution box, distribution box and switch box, the implementation of three power distribution. 2. The total distribution box should be close to the power supply. Th...
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07-13 / 2017
Scope of application and maintenance points of plastic electrical distribution box
Plastic electrical distribution boxis a commonly used distribution box products, can be responsible for the end of the low-voltage power supply system to complete the power control, equipment, rack can be welded or assembled by the screw. The following main to introduce the scope of lighting distri...
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07-12 / 2017
Unique advantages of overvoltage and undervoltage protection devices
People who have used theovervoltageandundervoltageprotectiondevices know its benefits. But do you know what are the unique advantages of the duplex over voltage protector product? Unique advantages of overvoltageandundervoltageprotectiondevices: 1, single-phase line when the over-voltage cut off th...
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07-11 / 2017
What is the difference between the C-type and the D-type of the miniature circuit breaker?
What is the difference between the C-type and the D-type of the miniature circuit breaker? TakeDZ47-63circuit breakeras an example, C, D-type structure is the difference: electromagnetic discharge is not the same. What is the demon? It is responsible for short circuit protection, simply means that:...
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07-10 / 2017
How to choose from the over voltage and under voltage protection devices?
The use of overvoltageandundervoltageprotectiondevicesgreatly reduce the risk of overvoltage or undervoltage to the circuit and the electrical load. Which is equivalent to a small intelligent switch protection device, which is mainly used in the current voltage is less than 63A circuit, it is an im...
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07-07 / 2017
Working principle of residual current circuit breaker
The residual current circuit breaker has two functions, one is the function of circuit breaker, and two is the function of residual current protection. The breaker function is the same as that of a general low voltage circuit breaker, as a switching device which is not frequently operated. The leak...
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07-06 / 2017
Safe use of circuit breakers
Hot summer, the role of dcminicircuitbreakeris particularly prominent, then how safe use of DC circuit breakers? The following summary of the safe use of circuit breaker procedures, we hope to help. Safe use of circuit breakers 1.Thecircuitof DC miniaturecircuit breaker is connected, you should che...
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07-05 / 2017
Install the home electric meter box
Home electricmeterboxis essential for each household electrical devices, home circuit is the total control switch, home electricmeterboxinstallation related to the daily control of the home circuit, so how to properly install, it is particularly important. The same time as the above- First, the hom...
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07-04 / 2017
Detailed explanation of the working principle of residual current circuit breaker
1. Working principle of residual current circuit breaker Residual current circuit breaker, as its name suggests, is a device to protect the residual current of electricity, which is very important in the household, of course, in other occasions there are special devices. When the current in the pow...
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07-01 / 2017
Installation and Maintenance Precautions of Molded Case Circuit Breaker
Whether it is molded case circuit breaker or isolated circuit breaker, are perennial and electricity to deal with, electricity is a double-edged sword with a very easy to hurt. In order to reduce the occurrence of accidents and everyone's safety, or to let you understand the installation and mainte...
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06-30 / 2017
Smart low-voltage appliances era: change our life!
The arrival of the era of intelligence, reduce the operation and production costs of enterprises, but also change your life. The application of intelligent technology in the manufacture of low voltage electrical apparatus makes the low-voltage electrical equipment develop towards the fourth generat...
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06-29 / 2017
Components: technology development of the new generation of molded case circuit breaker
In the low-voltage transmission and distribution network, molded case circuit breaker is one of the important basic components, for those who often occur electricity equipment overload, short circuit of the occasion, can safely and reliably cut off the fault current, to prevent the accident to enda...
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06-28 / 2017
Common Faults and Treatment of residual current circuit breakers
Common Faults and Treatment of residualcurrentcircuit breakers 1. The tripwhen just put into operation 1) Three-phase power lines, including the zero line is not in the same direction through the zero sequence current transformer, correct wiring can be. 2) Install the leakage circuit breaker and th...
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06-27 / 2017
Large role of miniature circuit breaker in fire prevention
Everyone knows that fire prevention is inevitable. At ordinary times, wherever we go, we see the most fire advertisements, and there are some knowledge theories about fire prevention everywhere. The miniature circuit breakers are the most important electrical component to avoid fire. So, what's the...
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06-26 / 2017
The most fundamental reason for home use of fiber termination box
The most fundamental reason for home use of fiber termination box: 1. Fiber termination box, the most basic function: optical fiber protection. Friends who have used fiber optics know that fiber is thinner than hair. It's easy to break, and it's hard for us to connect. 2. Fiber termination box is d...
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06-24 / 2017
The reason for the failure of the distribution box
When we use the distribution box, the failure is inevitable, but be sure to understand the cause of the failure, so that it will be more convenient maintenance, the following is the distribution box manufacturers to explain the reasons for its failure. 1. Low-voltage electrical failure caused by th...
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06-23 / 2017
What items should I pay attention to when installing the meter box?
The electric meter box believed everybody is not strange, we each household has the electric meter, but the electric meter box is puts together the electricity meter, in order to facilitate later repair and management. Then, what items should I pay attention to when installing the meter box? Now le...
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06-22 / 2017
Installation method of residual current circuit breaker in plastic meter box
Installation method of residual current circuit breaker in plastic meter box: 1. Wiring of residual current protector It is necessary to connect the power supply line to the top of the leakage protector, i.e., the power source or the inlet line is marked on the outer shell, and the outlet lines are...