0279520000

Series:	SAK
Part Status:	Active
Type:	End Plate, Rail Type
Number of Positions:	--
For Use With/Related Products:	SAK Series
Color:	Beige

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0279520000 Terminal Blocks - Accessories

Terminal blocks, also known as terminal strips, are a type of electrical connector used to join electrical wires together. They are used in a variety of applications, such as linking wiring in different rooms in buildings, providing power distribution and signal routing. Commonly available in different shapes and sizes, with specific connections such as screw, crimp or blade terminals, all designed for efficient connection of multiple wires in a safe manner. Terminal blocks come with a variety of accessories designed to improve the performance of the installation and optimize the use of the device. This includes products such as mounting brackets, disconnect links, bus connectors, and circuit board mountings, that all serve various purposes.

Mounting brackets

Mounting brackets are used to mount, fix and enclose the terminal blocks in an enclosure or on an installation surface. This helps to ensure that the conductor connections are correctly done and not stressed in any way. The standard industrial types include DIN rail mounting, panel mountings and wall mountings with various sizes available.

Disconnect links

Disconnect links provide a safe way to open a circuit line, which helps to maintain safety and prevent accidental contact with high voltages. For single conductor terminals, a disconnect link is inserted into the screw terminal and consists of a flexible insulated metal rod with ends connected to the terminal screws. This provides a simple and effective way to open the loop while requiring no tools and minimal time.

Bus connectors

Bus connectors are used to join several terminal blocks together and allow easy connection of many wires to a single block. These are typically soldered, akin to other electrical wire connectors, to ensure a firm and reliable connection. This is beneficial as it eliminates the need to run many individual wires from the power source as you would have to do without the bus connector.

Circuit board mountings

Circuit board mountings, also known as Printed Circuit Board Mountings (PCB), are a vital accessory that work with many types of terminal blocks. They come in various forms such as modular blocks and PCB mount terminal blocks, and provide a quick and secure connection solution. They provide a safe connection in a tight space and can include spacers and standoff components for additional leverage and stability.

Working Principle

Terminal blocks are designed to ensure that the conductor connections are both secure and stable. The working principle is simple as each conductor is connected and secured to the terminal block, providing just one point of connection, which eliminates the possibility of incorrect wiring. Each wire is connected to the block with a suitable terminal. A tight fitting pressure contact is inserted into the terminal block and securely clamps the conductor in place. This works with both solid and flexible conductors and ensures a good connection between the wires.

Application Field

Terminal blocks are used in almost every field of industry, from automotive and print and electronic assembly to automation and energy distribution. Examples include direct current power distribution systems using protective fuses, low voltage distribution boards in residential applications, and high voltage alternating current power systems used in industrial applications. They are also used in computer and electronic systems, providing a secure and efficient connection point for wires and signals. Common applications include wiring in building automation systems, connecting factory transmission lines, and in communication systems and computers used in data centers and computer networks.

Conclusion

Terminal blocks are a versatile and essential component of many electrical and electronic systems. Used in both large and small scale applications, they are a versatile and reliable way to join electrical components. The accessories available for terminal blocks offer a variety of ways to optimize use and performance, and provide a safe and quick way to make connections and provide power distribution.

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