NOUVELLES
NOUVELLES
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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 theplastic meter boxstructure material. Many friends just see some advantages of the tr...
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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 custome...
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09-19 / 2017
Product Overview of molded case circuit breaker
Molded case circuit breakeris 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 repair...
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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 po...
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09-17 / 2017
Design requirements for over voltage and under voltage protection devices
Over voltage and under voltage protection devicescan 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 achieve...
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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 ofelectrical ac contactorare determined. 1. contactor coil voltage should generally be lower, so that the insulation requirements of the contactor can be reduce...
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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 t...
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09-13 / 2017
What is the difference between ac contactor and circuit breaker?
The circuit breaker can extinguish the arc and has the ability of subsection to protect the circuit. The contactor uses the coil to control the circuit to break, when the contactor is energized, the normally open is closed, and the long closed is closed, so that it can be controlled. 1.Theminiature ...
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09-12 / 2017
What is the function of the auxiliary contact of AC contactor?
AC contactor(cjx1accontactor) mainly isCJX2 series, CJ20 series, CJT1 seriesofthe CJ series, 3TB, B series and some of the most commonly used products. AC contactor is mainly composed of four parts: (1) the electromagnetic system, including attraction coil, moving core and static core; (2) contact s...
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09-11 / 2017
Fault checking of control protective switch
Thecontrol protective switchis composed of several parts, and some components can be added according to the requirement. Its function is to eliminate the surge voltage and interference signal in the power, so that it can improve the quality of the power supply. The fuse tube can be fuse when the cir...
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09-09 / 2017
What are the advantages of waterproof distribution box?
A kind of commondistribution boxis waterproof distribution box, of course, many people also call it rainproof distribution box, waterproof distribution box is mainly used in the outdoors, to prevent some bad weather, so from this Point you can see the waterproof distribution box must have the functi...
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09-08 / 2017
Structure and principle of miniature circuit breaker
As a kind of over current protection device,miniature circuit breakerscan be used to switch indoor wiring with current control switch, can effectively protect the important components of the electrical, mainly used for short circuit protection and prevent serious overloading, motor load protection o...
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09-07 / 2017
Selection and maintenance of AC contactor
1.Selection: (1) The rated current of the main circuit contact shall be greater than or equal to the rated current of the controlled device. Themotor contactorof the control motor shall also take into account the starting current of the motor. In order to prevent the frequent operation of the contac...
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09-06 / 2017
How to realize the intelligence of molded case circuit breaker?
It is necessary to break through the technical problems of intelligentmolded case circuit breaker. The first technical problem is the realization of perceptual functions. This is the basis of intelligence, the realization of the function of the need to obtain such as voltage and current, insulation ...
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09-05 / 2017
Classification of AC contactor wiring
There are many kinds of wiringfor AC contactorfromelectrical ac contactor manufacturers, and their classification methods are different. According to the general classification method, there are approximately the following. (1) According to the pole of main contacts, it can be divided into single-po...
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09-04 / 2017
How to choose AC / DC contactor correctly
1. Select the type of contactor fromelectrical ac contactor manufacturers Alternating current contactor shall be used for AC load and DC contactor shall be used for DC load. If the control system is mainly AC motor, and DC motor or DC load capacity is relatively small, can also be used AC contactor...
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09-02 / 2017
What is AC contactor?
Contactor formelectrical ac contactor manufacturersis a kind of intermediate control element. It has the advantage of frequent switching on and off, and controlling high current with small current. With the thermal relay work, but also to the load equipment to play a role in overload protection. Bec...
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08-31 / 2017
Installation of Load isolation switch
Installationof Loadisolation switch: In general, the installation of the load disconnect switch and isolation switch installation is roughly the same, but in the adjustment, the need to note the following: (1) The main blade and the auxiliary blade of the load disconnecting switch should be in the o...
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08-26 / 2017
Multimedia distribution box
Themultimedia distribution boxis a kind of multimedia information input various information network system, the electrical properties and extend the system by the way of wiring, change the configuration of the system, adjust the number of cable system using the function to meet the requirements of t...
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08-25 / 2017
The multimedia distribution box fundamentally changes the wiring in residential homes
The installation height of themultimedia distribution boxand information panel is generally located from the ground 300mm embedded wall, or positioned according to the design requirements of the home decoration. The panel can be 86*86mm, Z or 120*70mm. It can also be decorated according to the style...