Introduction of distribution box
The structure of the distribution box, including distribution boxes and cabinets, distribution panels, distribution screens, electrical cabinets, etc., is a centralized installation of switchgear, instrumentation, and other equipment, complete sets of devices. Commonly used distribution box has two kinds of wooden and metal, because the metal distribution box protection level is higher, so the metal distribution box is used more. The main purpose of the distribution box includes the rational distribution of power, convenient to open and close the circuit operation, have a high level of safety protection, can visually display the on state of the circuit, easy to manage, when a circuit failure is conducive to overhaul.
Distribution box classification
Distribution box a special box for power distribution, mainly used for power equipment control, power distribution, etc., the line of short circuit, leakage, overload, etc. plays an important role in the protection, in all areas of life are very widely used. We can be divided into four categories according to its structural features and uses: fixed panel switchgear, protective switchgear, drawer switchgear, power and lighting distribution control box.
Distribution box working principle
Distribution box is according to the electric lighting gas wiring requirements of switchgear, measuring instruments, protection appliances and auxiliary equipment assembled in closed or semi-closed metal cabinet or screen, constituting a low-voltage distribution box. Distribution box can be used in normal operation with manual or automatic switch to connect or break the circuit; fault or abnormal operation can be used to cut off the circuit with the help of protective appliances or alarm. By measuring instruments can display the operation of various parameters, but also to adjust certain electrical parameters, deviation from the normal state of work for prompting or signaling.
Distribution box brand manufacturers
Distribution box brand manufacturers: Siemens
Siemens is a globally renowned brand of electronic and electrical appliances, the business involves industry, health care, energy and other fields. Siemens Energy Services Group for the provision of comprehensive power equipment and system solutions, its high-voltage DC systems and intelligent power distribution network systems have a strong advantage.
Distribution box brand manufacturers: Chint
Chengtai Instrumentation belongs to the Chint Group, is a well-known provider of energy metering products and systems for petrochemical, real estate, electric power and other various industries, and its systems are adopted by a number of national projects. The company has a county-level metering room and testing laboratory, mastered nearly 20 patented technologies, and its products have passed strict tests to ensure safety.
Distribution box brand manufacturers: Samsung Electric
Samsung Electric is a professional provider of electrical products and systems under the Auxiliary Group, dedicated to providing comprehensive solutions for power distribution, products include power boxes, metering, switchgear and so on. The company consists of six companies and has established several R&D and manufacturing bases, configured with CNAS-certified testing laboratories, several wave soldering production lines, SMT placement production lines and so on.
Power distribution box purchase
Buy power distribution box, in addition to consider the aesthetic, price and other factors, but also to recognize the brand, choose the quality, safety and reliability of the product. Selection of distribution boxes need to pay attention to the following points:
1, the current market distribution box mainly metal shell and plastic shell two kinds, the structure of the concealed and open type two types, so in the choice, according to the actual need to choose, no matter which type of distribution box is selected, its box must be intact.
2, the distribution box box wiring sink should be set up respectively zero money, protective earth line, phase line, and to be intact, with good insulation to protect the daily use of safety.
3, air switch mounting frame should be clean and have enough space; distribution box door should be checked transparent window.
Distribution box size-distribution box price quotations
In the domestic power supply and distribution system, there are many kinds of distribution box models, their box structure _ technical parameters are different, and according to the use of different occasions, the distribution box size has a lot of price difference, and indoor distribution box is generally smaller size, in the purchase, you need to Comprehensive consideration of various factors, so as to choose the right product. Here I collected some information about the size of the distribution box and distribution box price quotes, for reference only.