0387890221

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Terminal blocks are mechanisms used in the electrical wirings of machines in order to facilitate the insertion of wires, allowing circuit assembly and disassembly without making connections that could lead to the deterioration or malfunction of the circuit. 0387890221 is one of the many designs of terminal blocks. It belongs to the Barrier Blocks category whose main characteristic is the addition of an insulated barrier between individual poles, thereby preventing the spread of current across multiple separated poles. These blocks are commonly used for electric control panels, so that multiple circuits can be wired, adjusted and maintained with ease.

The 0387890221 terminal block stands out for its quality and reliability. It is made of flame retardant plastic and has an operating temperature range from -40°C to 105°C. Its snap-fastening system also allows a simple and quick connection to the baseplate. Additionally, it is designed with coded screws that prevent tampering, and it allows easy mounting on DIN railways. These features make the 0387890221 a preferred choice for applications in the industry such as: industrial automation, mechanical/automotive, data systems and telecommunications.

The working principle of 0387890221 terminal block consists of two contact elements: the bridge that runs across the top of the device and the moving contact that can be pulled and pushed. This type of mechanism allows an entry for easy and secure insertion of the wires. When pushing the contact element, the pressure on the inserted wires ensures proper electrical contact with the bridge, while the surface contact area minimizes the flow resistance between them. Once the contact element and the wires are properly seated in the same position, a lockdown mechanism (screws) secures the unit.

It is clear that the 0387890221 terminal block provides a reliable and highly efficient way to link wires. Its multiple features and advantages make it a suitable choice for a wide range of industrial applications. The combination of a high quality material, a simple and fast snap-fastening system, and coded screws provide the ideal solution for secure and safe electric connections. Furthermore, its contact design offers a reduction in flow resistance, making the 0387890221 barrier block a great option for applications requiring a high-performance electrical connection.

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