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Terminal Blocks - Headers, Plugs and Sockets are electrical connections consisting of a housing with terminals. They are versatile, reliable and secure components used for connecting electrical signals. The application fields of terminal blocks include low and high voltage, power distribution, PCB, automotive, electrical appliances, switch cabinet wiring, lighting, industrial control, sensing and telecommunications.

The working principle of a Terminal Block is quite simple. An electric current passes through the terminals and then through the stem, or blade, to the contact on the other side. The stem or blade is fitted in the housing and then a connecting screw is screwed on to make the connection. This screw has a rubber washer which ensures the contact is secure and prevents it from inadvertently slipping off. These terminal blocks are UL Recognized components and meet all safety regulations required in various industries.

There are two types of terminal blocks, namely open-end and enclosed-end. Open-end terminal blocks are used when there is no access to a case or panel to make the connection. These require a tool to open them up and a screwdriver to make the connection. Enclosed-end terminal blocks are designed to be secured within a case or panel and require no additional tools.

Types of Terminal Blocks - Headers, Plugs and Sockets:

• Wire-mount: Wire-mount terminal blocks provide a connection for one or more conductor wires. These are used for the connection of power lines, control lines, data lines, telecommunication lines and signals. They are available in a range of shapes, sizes and ratings.

• Plug and socket: Plug and socket terminal blocks are used for connecting flexible cables. They have male and female connectors, which can be connected with one another, or with a cable. The plug and socket terminal blocks are available in a range of ratings and configurations.

• Pin and socket: Pin and socket terminal blocks are used for connecting rigid cables. They have pins on one side and sockets on the other side. These are used for the connection of power lines, control lines, data lines, telecommunication lines and signals.

• High-density terminal blocks: High-density terminal blocks provide a connection for more than one conductor wire. They have a wide range of terminals and are available in a range of ratings and configurations. They are used for large numbers of conductor wires, for example in switch cabinets or power distribution panels.

Terminal Blocks - Headers, Plugs and Sockets are widely used in multiple applications such as automotive, industrial control, sensing and telecommunications. They provide a robust, reliable and secure electrical connection for a variety of devices. They are available in a range of ratings and configurations to meet a wide variety of requirements.

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