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Terminals, also known as connectors, are used to join two or more wires. The barrel and bullet connectors, 552770-3 version in particular, are widely used in wiring projects due to their reliable performance and relatively affordable cost. This article will show you the 552770-3 application field and working principle.

What is the Barrel and Bullet Connector 552770-3

The barrel and bullet connectors have two parts: a barrel and a bullet. Connectors of the same design go together, but the plastic housing, known as a “barrel”, can come in different shapes, sizes and materials. The round, metal pin is known as a”bullet”. This connector design was created as an effective and easy way to connect wires with a secure fit.

The 552770-3 is a premium-grade, durable and reliable barrel and bullet connector which is mainly used for small size machines. It is made from high-quality copper, PVC, nylon and tin, with diameters of 6.35mm or 4 mm for the bullet. It features anti-vibration, weatherproof, and anti-corrosion properties with a three-pointed contact surface and a 55°C opening temperature requirement. This connector has a perfect balance between safety and convenience.

The 552770-3 Application Field

The 552770-3 connector is mainly used in the automotive, electronics, and consumer appliances industries. For the automotive industry, it provides a reliable connection for car lights, power windows, antennas, seat controls, alarms, air-conditioners, car radios, car locks, door locks, and others. In the electronics industry, it is used for the connection of wires in electronic devices, such as TVs, remote controls, MP3 players, oscilloscope interference lines, and others. Additionally, it is also used in consumer appliances for connections in air conditioners, heaters, washing machines, water heaters, and other home appliances.

The Working Principle of 552770-3

When connecting wires with the 552770-3, the bullet and the barrel should be joined. The round-end of the bullet is inserted into the one end of the barrel, and the flat-end of the bullet is inserted into the other end until they “click” into place. The crimp on the bullet and barrel will cut through the insulation on the wires for a secure connection.

In order to ensure a good connection, the wires need to have their ends stripped and the insulation crimped into place. Connections should then be sealed with shrink-wrap or electrical tape. It also recommended that the connections are cleaned and inspected before being secured in position. Once the wires are connected, the bullet and barrel should be tested for continuity before they are used in the final application.

Conclusion

The 552770-3 is a high-quality barrel and bullet connector that is perfect for making secure connections. It is used for a variety of applications in the automotive, electronics, and consumer appliances industries. It is easy to install and provides a reliable connection for the wires. With proper use, installation, and safety precautions, the 552770-3 connector can provide a secure connection for your wiring projects.

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