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Terminal Blocks - Panel Mount are widely used in many industrial applications, communication equipment, power and instrumentation areas. They are generally mounted on an enclosure or board and used to provide a reliable electrical connection between multiple wires and a printed circuit board or an electronic enclosure. This type of terminal block can be used to connect power cables to a power supply, and for signal and data connections in industrial electrical systems.

A basic terminal block consists of a block body, male and female terminals and contact pads. The block body is typically a plastic or metal plate which is mounted on an enclosure or in a panel. The male and female terminals protrude from the body and can be connected to source and destination wires. The contact pads are made of conductive material and are affixed to the body of the terminal block. In addition, terminal blocks may include solder connections, terminals with tabs for attaching cable lugs, and/or universal terminal.

The primary function of a terminal block is to provide a reliable electrical connection between multiple wires and devices. There are several types of terminal blocks available, which include panel mount, through hole mount, direct-plug-in, thermal, surface mount, and board-level terminal blocks. Panel mount terminal blocks are most commonly used in industrial applications, as they provide a quick and easy connection to the wiring and components on a printed circuit board or in an electronic enclosure. Through-hole mount terminal blocks, also known as pin-contact blocks, provide a secure connection between a wire and a metal panel or board.

The working principle of a panel mount terminal block is relatively simple. The contacts of the terminal block are put into electrical contact with the wires and then tightened down using screws. This ensures that the electrical connection remains secure, providing a reliable source of power or signal for the device connected to the terminal block.In addition, most terminal blocks include means of shorting out or bypassing the connection of the wires for testing purposes. This is done by crossing the terminals together or by providing a link bridge between two of the contacts. This allows the device or circuit connected to the terminal block to be tested or temporarily disconnected, without having to physically remove the wires.

Overall, panel mount terminal blocks provide a secure and reliable connection between multiple wires and devices. They can be used to connect power cables to a power supply, and for signal and data connections in industrial electrical systems.

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