Wiring duct,Cable Gland,Cable Tie,Terminals,RCCN

Electronic control equipment industry in the 90's, especially in recent years, the rapid development of new products every day after another. Products not only in the performance, structure and other aspects of a great progress, the appearance of the requirements are getting higher and higher, is the furniture, decorative direction of development. Secondary circuit is an essential component of any electrical equipment, the secondary circuit of the electrical performance of a direct impact on the performance of the entire electrical equipment and reliability, security. At the same time, the assembly of the secondary components, labels, wire selection, laying and arrangement of projects such as the composition of the secondary circuit wiring process important content. The level of secondary wiring technology will have a direct impact on product quality. In the past, the enterprise only focused on the structural design of the product and the improvement of the electrical performance, while ignoring the secondary wiring work, resulting in the secondary circuit wiring process backward, the method is old. In the new situation, the original secondary cabling process is far from being able to adapt to new product development and market development needs. Therefore, the use of new technology, new technology, the use of appropriate new electrical accessories, has become a very urgent issue.

basic requirements:
01, according to map construction, the connection is correct.

02, the second line of the connection (including bolts, plug, welding, etc.) should be solid and reliable, the harness should be horizontal and vertical, configuration firm, structured, neat and beautiful. The same model of the same model specifications of the control cabinet components installation location and wiring should be consistent.

03, the use of wiring harness wiring should be parallel to the vertical and horizontal arrangement should be tied and fixed, bundled spacing should not be greater than 100mm, horizontal beam fixed spacing should not be greater than 300mm, vertical harness fixed spacing should not be greater than 400mm.

04, the same column device line number read as consistent as possible. Practice from left to right, from bottom to top, from inside to outside. As shown below

05, the second line cross-sectional area requirements:
Single wire is not less than 1.5mm²
Multi-stranded wire is not less than 1.0mm²
Weak circuit is not less than 0.5mm²
Current loop is not less than 2.5mm²
The protective earth wire is not less than 2.5mm²

06, all secondary circuit connection wire should not have a middle connector, the connector can only be located in the device terminal or terminal block.
07, the contact of each electrical components up to allow two lines. Each terminal of the wiring point is generally not allowed to connect two wires, special circumstances, if you must connect two wires, the connection must be reliable.
08, the second line should be away from the arcing components, and shall not impede the operation of electrical appliances.
09, ammeter and shunt connection between the terminals shall not pass, the line length shall not exceed 3 meters.
10, the current circuit should be connected to the test terminal connected to the measuring instrument.
11, multi-strand wire ends should be added cold end wiring. Weak circuit in the cross-sectional area of less than 1m ㎡ single-stranded wire should be used soldering or other suitable way wiring.

12, the second line must not pass through from the bus, as shown below:

13, pull-back spring terminal connection:
1) Hard wire stripping length: about 10 mm
2) soft wire should be put on the line after the nose and then plugged into the terminal, pay attention to copper wire core do not expose the nose and to compaction.

3) qualified crimp

4) failed

5) wire into the terminal port, until you feel the wire has been inserted into the bottom, the upper can not be exposed to copper

14, shielded cable connection
● tighten the shield to about 15 mm long;
● press the wire with the wire nose with the nose;
● The folded wire is folded back on the outer layer of the insulated wire;
● Shielded wire with single-ended grounding

15, with a heat shrink tube fixed wire connected part.