1776112-2

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Terminal Blocks - Wire to Board

1776112-2 terminal block is a plastic housing wired to board connector, designed for providing an electrical link between an electrical board and a wire. It constructed of four main parts, the finger, an insulating housing, a female contact and a male contact. The most common type of terminal block is a hand-wired unit composed of insulated metal and plastics materials. The metal part allows electrical connections between the female and male contacts, which are made through mechanical force and friction.

The advantages of using the 1776112-2 terminal block are:

• High current rating: Maximum operating current of 17A, and a dielectric strength of 300 V.
• Terminals are polarised and pre-moulded for the board.
• Foam insulation for increased safety.
• UL/CSA listed and suitable for a wide range of applications.

The 1776112-2 terminal block’s main application field is for various electrical applications, from PCBs to motors, power supplies and bridge rectifiers. They are widely used in industrial and household appliances, as well as in automotive connection systems.

The working principle of the 1776112-2 terminal block is fairly simple. For the most common type of terminal block, the connection is made by pushing the male and female contacts into the 2-pin housing mounted on the PCB. The contact pair is secured by a metal clip on the rear of the housing. The contacts are held in place by metal springs that create enough force to ensure that the electrical current is maintained when a wire is connected.

When it comes to more complex solutions, the 1776112-2 terminal block also offers a wide range of features. Depending on the application, the terminal block can be fitted with an optional auxiliary contact to provide over-voltage/over-current protection or other functions. Additionally, they can be mounted with either screws or push-on pins, and equipped with mounting ears or spacers for easier installation.

1776112-2 terminal blocks are designed to provide a reliable and secure electrical connection between a board and a wire, making it an ideal solution for many electronic applications and circuits. With their reliable contacts, robust insulation and wide range of features, these versatile components can be used in a variety of applications, from industrial control systems to consumer electronics.

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