15110

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Terminal strips and turret boards are commonly used in a variety of applications in both the industrial and university settings. These devices are similar in that they are both designed to provide an electrical connection from a conductor in a panel or enclosure to another conductor in the panel, such as relays, contactors, switches, sensors, and other control components. Although terminal strips and turret boards are both used for connection purposes, they each serve a different role in the completion of an electrical circuit.

15110 Terminal Strip and Turret Board Applications

Terminal strips are typically used in systems that require more than one conductor path for electrical control. These devices are designed to accommodate up to twelve circuits and are often used to connect low voltage controls such as lighting and low power motors. They are also used in industrial control devices, such as programmable logic controllers (PLCs). Terminal strips can also be used in low-current applications, such as providing connections to various sensors and switches.

Turret boards are mainly used in medium voltage applications. They are used to connect medium voltage components such as contactors, starters, solenoids, and transformers. The terminals are designed to accommodate up to 10 circuits, although most often only one or two is used in any particular application. Turret boards are usually secured in place with screws, making them more secure and tamper-proof than terminal strips.

15110 Terminal Strip and Turret Board Working Principle

Terminal strips and turret boards both operate on the same basic principle. They are designed to provide a conductive connection from an input lead to an output lead. The input lead is connected to a power source, while the output lead is connected to a load, such as a switch, motor, or other electronic component. The terminal strip or turret board is then used to make the connection between the two leads.

Terminal strips and turret boards have two main components: the terminal body and the terminal blocks. The terminal blocks are secured inside the terminal body, which is made from an insulating material. The terminal blocks are connected to the power source and load via insulated cables, while the terminal body is secured to the mounting surface with mounting screws. The terminal blocks then create the connection between the two circuits, allowing current to flow.

Turret boards differ from terminal strips in that they use an array of round contacts (known as ‘turrets’) that are attached to the board instead of the insulated terminal blocks. The turrets can be inserted into and removed from the board easily, providing a secure connection between the power source and the load. The turrets can also be locked into place, providing extra security.

Conclusion

Terminal strips and turret boards are both commonly used in electrical circuit connections. Terminal strips are typically used for low-voltage circuits, while turret boards are used for medium-voltage circuits. Both operate on the same basic principle, with the terminal blocks providing a connection between the power source and the load. Turret boards offer the added advantage of removable terminals for easier maintenance and security.

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