NOTICIAS
NOTICIAS
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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 custom...
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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...
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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 p...
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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...
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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 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...
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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 ...
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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. The miniatu...
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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 series of the 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) conta...
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09-11 / 2017
Fault checking of control protective switch
The control protective switch is 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 ...
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09-09 / 2017
What are the advantages of waterproof distribution box?
A kind of common distribution box is 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 fun...
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09-08 / 2017
Structure and principle of miniature circuit breaker
As a kind of over current protection device, miniature circuit breakers can 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 protectio...
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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. The motor contactor of the control motor shall also take into account the starting current of the motor. In order to prevent the frequent operation of the co...
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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 intelligent molded 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, insulatio...
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09-05 / 2017
Classification of AC contactor wiring
There are many kinds of wiring for AC contactor from electrical 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 singl...
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09-04 / 2017
How to choose AC / DC contactor correctly
1. Select the type of contactor from electrical 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 contact...
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09-02 / 2017
What is AC contactor?
Contactor form electrical ac contactor manufacturers is 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. ...
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08-31 / 2017
Installation of Load isolation switch
Installationof Load isolation 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...
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08-26 / 2017
Multimedia distribution box
The multimedia distribution box is 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 o...
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08-25 / 2017
The multimedia distribution box fundamentally changes the wiring in residential homes
The installation height of the multimedia distribution box and 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 st...
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08-23 / 2017
What is the principle of under and over voltage protection protector?
Under and over voltage protection protector control circuit adopts high speed low power micro processor design as the core, the magnetic latching relay main circuit, modular double standard, when the power supply line overvoltage, undervoltage protection, to continue to shock quickly and safely cut...