0387413305

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Terminal blocks – Barrier Blocks (0387413305) are a type of connector used by electrical engineers to connect two circuits or components. The blocks are usually made of metal, but are available in a variety of materials, including plastic, ceramic and quartz. Barrier blocks prevent electric current from flowing across the two components or circuits, thus reducing the potential risk of electric shock and damage to components.

Barrier blocks are typically used for signal wires, control wires and power connections. They are also widely used in the industrial, automotive and consumer electronics industries for power, signal and grounding applications. Barrier blocks are available in a variety of sizes and shapes, including DIN rail-type, snap-in, screw-in and flex versions. Barrier blocks are typically used with insulated solid wire, stranded wire and power cables.

There are three main components in a barrier block: the body, the contact elements and the cover. The body is typically made of a metal, thermoplastic or ceramic material. The contact elements, often referred to as the plungers or pins, are inserted into the body and provide the electrical connection between the two circuits or components. The cover, also referred to as the barrier, prevents electric current from passing between the two circuits or components.

The working principle behind barrier blocks is very simple. When the pins are inserted into the body, the two circuits or components are exposed to each other, and a tiny gap develops between them. This gap, which is called the boundary surface, creates an electric barrier and prevents electric current from flowing between the two components.

Installation of barrier blocks is relatively straightforward and most variations are designed to be tool-less. First, the wire or cable is inserted into the contact element and then the cover is placed over the contact element. The body is then placed over the cover, and the pins are inserted into the body. Finally, the body is tightened with the screws for secure electrical and mechanical connection.

Barrier blocks are a cost-effective and reliable way to create a barrier between two electrical components or circuits. They are easy to install, and offer superior protection against electric shock or component damage. Given their reliability and cost-effectiveness, barrier blocks are increasingly popular in the industrial, automotive and consumer electronics industries.

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