432205-20-0

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Terminal blocks are a kind of electrical components which are used for connecting of electric wires and circuits, without group connection and isolation features, which is convenient for connecting and debugging. There are many kinds of terminal blocks, and the working principle of each kind of terminal block is different. Barrier Blocks, one kind of terminal blocks, adopts the design of module and supporting components, and the rated voltage is AC or DC 530V, with contact material silver-nickel, copper-containing tin and other materials. The item number of the this type is 432205-20-0.

Working Principle of 432205-20-0 Barrier Blocks

The working principle of 432205-20-0 Barrier Blocks is quite simple It consists of an insulated barrier insert and a hard plastic box which is assembled together with a pair of push-pads. Each end is connected with a connection line. When the terminal is in the off-position, there is a connection made between the two jackets, the plastic block, and the hard plastic box, pushing both the connection line and the barrier insert towards each other. An electric current flows through the connection line,which causes the contact surface between the two opposite sides to be heated and the insulation break down. When the connection line is connected, electrical current flows through the barrier insert and thus the barrier insert can be used to connect two wires.

Application Field

The 432205-20-0 Barrier Blocks can be used in many fields, such as communication equipment, automotive, industrial control,power supply, audio equipment, computer systems, home appliances, instrumentation and other fields of circuit wiring, power connection, protection and so on. It can be used as DC power connection, primary power connection, circuit board module connection, copper terminal riveting, etc. Also, it can be used for lighting system, contact switch connections, power distribution, and so on.

Moreover it’s also very popular in low voltage electrical applications. As it is designed in a modular system with reinforced insulation, it can withstand a voltage up to 530V, and the rated value of the current is up to 16A, so for low voltage electrical applications, such as residential and commercial buildings, 432205-20-0 Barrier Blocks are widely used. And due to its simple structure and convenient installation, it’s much more cost-effective and safer than traditional wiring methods.

Conclusion

In conclusion, 432205-20-0 Barrier Blocks are widely used in terminal, power distribution, lighting system and other fields. Compared with traditional wiring method, it is safer, more convenient, and more economical. In addition, due to its good performances, such as reinforced insulation, simple structure,module assembly, high contact reliability and high temperature resistance, it is widely used in low voltage electrical applications.

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