A wire terminal is an accessory product for electrical connection and is industrially classified as a connector. With the increasing degree of industrial automation and increasingly strict and precise industrial control requirements, the use of wire crimp terminals has gradually increased. With the development of the electronics industry, the use of wire terminal is increasing, and the types are increasing. In addition to the PCB board terminals, there are also hardware terminals, nut terminals, spring terminals, etc.

History Development

In 1928, Phoenix Contact invented the world's first modular wire terminals crimp connectors, which is the prototype of the modern terminal, and the first invention patent applied for and obtained by Phoenix Contact. Since then, Phoenix Electric has been passionately innovating and committed to the development of various connection technologies, forming a complete electrical interface technology system, many of which have become industry application standards.

Definition

The wire end terminals is used to facilitate the connection of the wire. It is actually a piece of metal that is sealed inside the insulating plastic. There are holes at both ends to insert the wire, and screws are used for fastening or loosening, such as two wires, sometimes Need to connect, and sometimes need to disconnect, then you can connect them with the terminal, and can be disconnected at any time without having to weld or entangle them, it is convenient and quick. Moreover, it is suitable for a large number of wire interconnections. In the power industry, there are special terminal blocks, terminal boxes, all of which are terminal connerctors, single layer, double layer, current, voltage, ordinary, breakable , etc. A certain crimp area is required to ensure reliable contact and to ensure sufficient current is passed.

Classification

Wire terminal can be divided into, European terminal block series, plug-in terminal block series, transformer terminal block, building wiring terminal, fence type terminal block series, spring type terminal block series, rail type terminal block series, through-wall type terminal block Series, optocoupler type terminal block series, 110 terminal, 205 terminal, 250 terminal, 187 terminal, OD2.2 ring terminal, 2.5 ring terminal, 3.2 ring terminal, 4.2 ring terminal, 2 ring terminal, 6.4 circle Ring terminal, 8.4 ring terminal, 11 ring terminal, 13 ring terminal flag series terminal and sheath series, various ring terminals, tubular terminals, terminal blocks, copper strip (2-03, 4-03 , 4-04, 6-03, 6-04), etc.

Plug-in type

It is made up of two parts plugged and unplugged, one part is pressed and then plugs it into another part, which is welded to the PCB. This bottom mechanical principle, this anti-vibration design ensures long-term airtight connection and reliability of the finished product. The ears can be assembled at both ends of the socket. The mounting ears can largely protect the connector and prevent the connector from being placed in a poor position. At the same time, the socket design ensures that the socket can be correctly inserted into the body. The socket can also have an assembly buckle and a locking buckle. The assembly buckles provide a more secure attachment to the PCB, and the locking tabs lock the mother body and socket after installation. A variety of socket designs can be used with different mating methods, such as horizontal, vertical or tilted printed circuit boards, etc., depending on the customer's requirements. You can choose either a metric wire gauge or a standard wire gauge, which is the hottest wire terminal type on the market.