A21420607

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Terminal Blocks - Barrier Blocks

A21420607 is a type of terminal blocks, categorized as barrier blocks. These blocks, known as disconnects, are specifically designed for electrical assembly applications. They are single or multiple channel blocks used to provide safe connection and separation of electrical circuits.

Application

Terminal blocks - barrier blocks are commonly used in applications that require a physical barrier to separate or prevent interconnected electrical components from interacting with each other, either through electric transfer or mechanical interaction. Some of the typical application fields for A21420607 terminal blocks - barrier blocks include:

• Industrial control applications, such as external connections and motor control applications.
• Data acquisition and instrumentation systems, such as those that measure temperature, pressure or other physical parameters.
• High-power electrical systems, such as those found in automotive or aeronautics industries.
• Machinery control systems, such as those found in factory automation or surgical equipment.
• High-voltage electrical systems, such as those found in power transmission or distribution grids.

Working Principle

A21420607 terminal blocks - barrier blocks are designed to be used with industry-standard electric terminals, such as tab and socket terminals. The terminal blocks are composed of two parts: the base and the barrier. The base consists of a plated plastic structure that is connected to the power supply. On top of the base, the barrier is a metal or plastic guard that serves as an insulation barrier between the power supply and the connected components. The barrier blocks are then secured in place by a screw or a clamp.

The working principle of the terminal blocks - barrier blocks is simple. When connected to a power supply, the base provides a direct current passage between the two points of the contact. The barrier then serves as a physical barrier between the components to be connected, preventing them from making physical contact with each other. This physical barrier also prevents the electric current from flowing in the other direction.

In addition, the barrier blocks are designed to accommodate a variety of modular connectors, such as RJ45, Ethernet, and USB. This allows for easy and fast expansion of the physical connections without having to replace the terminals themselves.

Conclusion

A21420607 terminal blocks - barrier blocks are a type of electrical assembly specifically designed for applications that require isolation of electrical circuits. The blocks are composed of two parts: the base, which provides a direct current passage between the two contact points, and the barrier, which serves as a physical barrier between the components. The barrier alsoprevents electric current from flowing in the other direction. Furthermore, the blocks are capable of accommodating a variety of modular connectors, providing a cost-effective and convenient way to expand the physical connections.

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