0387012705

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Terminal Blocks - Barrier Blocks, 0387012705 application field and working principle

Terminal blocks (also known as wiring terminals, wiring connectors, barrier blocks or screw terminals) are electrical connection blocks used for connecting electrical equipment and are the connecting link between the circuits. 0387012705 barrier blocks with a terminal distance of 5.08 mm make it possible to connect beside standard cables even flat cables of 1 mm conductor cross-section and 0.5 mm². The Push-In technology is used for screwless connection.

0387012705 barrier blocks are highly flexible connection technology for space-saving and easy installation. A wide variety of terminal block series brings you an extensive application capability.

Barrier blocks are suitable for a broad range of applications in different sectors. They are widely used in commercial, residential and industrial buildings for force measurement, street lighting and low-voltage control. In addition, the terminal blocks can be used in measurements and computing technology, in the automotive industry and in automation technology.

The working principle of a barrier block is based on a connection by means of a screw clamp. For applications that require a large amount of wiring, ribboning is often used, which allows several cables to be connected to one terminal block, making the wiring work quicker and easier. The screw used for the connection of the conductor to the barrier block consists of two different parts. The flat lower part is very hard and corrosion resistant, while the threaded part is made of softer material and is designed to protrude from the screw slot, creating contact pressure.

The connection between the cable and the screw is made by an actuating screw. In order to ensure a reliable connection, the actuating screw has to be tightened correctly in the thread slot. The tightening torque is measured at a specific angle, which depends on the material and design of the screw.

Depending on the number of cores, the terminal blocks can be equipped with multiple contact points. The contact points are arranged in accordance with the specific application requirements. The core cables are then connected to the contact points and the barrier blocks. In order to ensure a reliable and secure connection, the connection points must be insulated from the surrounding environment, which is achieved by means of insulation and sealing material.

The connection points are further protected by a shroud or an enclosure. An additional cover can be provided to ensure electronical integrity. The terminal blocks also feature a specific strain relief system in order to ensure that the cables are held in place and that any mechanical forces are not transmitted to the barrier blocks.

To ensure these electrical requirements are met, terminal block manufacturers must provide the customer with adequate technical information, such as the contact current and voltage specifications, as well as the maximum current leakage. The quality of such information is essential for proper selection and installation of the terminal block.

In conclusion, 0387012705 barrier blocks are highly useful connection technology for easy installation and a wide variety of applications in different sectors. The working principle is based on a connection by means of a screw clamp and the terminal blocks can be equipped with multiple contact points depending on the number of cores. In order to ensure an electrical and mechanical accuracy, manufacturers must provide the customer with adequate technical information.

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