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Terminals - Rectangular Connectors

Rectangular connectors are one of the most commonly used connection systems in modern applications. They are also known as “terminal blocks”, “terminal connectors”, “terminal strips”, “quick connects”, and other names. A rectangular connector typically consists of two parts: a rectangular block containing multiple terminals, and an insertion contact that engages with the terminal block to complete a connection.

Applications

Rectangular connectors are used in a multitude of applications because of their consistent performance, reliability, and low cost. Their application range covers consumer electronics, many automotive applications, various industrial control systems, and more. Some common uses of rectangular connectors include:

• Connecting wires on a circuit board
• Joining two cables
• Building custom wiring harnesses
• Connecting multiple components on an automotive assembly line
• Automated machine parts
• Electrical wiring
• Data and telecommunication systems
• Many other applications

Advantages of Rectangular Connectors

Rectangular connectors have many advantages compared to other connection systems. Their small size allows them to be used in places where space is limited. This also makes them very lightweight, allowing them to be used in applications where weight is a factor. The connectors are also designed to be reliable and durable, with high contact retention and excellent vibration resistance.

The installation of rectangular connectors is also relatively easy compared to other types of connectors. This allows them to be used in applications where a fast and reliable connection is needed. The connectors are also available in different sizes and colors for easier identification.

In addition, rectangular connectors are very cost effective. They are usually made from plastic or polyamide materials, which are both inexpensive and durable. This makes them a good choice for many applications.

Working Principle

Rectangular connectors are designed to hold two wires together to complete an electrical connection. They are usually composed of two parts: the terminal block and the contact. The terminal block is the part that is attached to the wires. The contact is then inserted into the terminal block to complete the connection.

Most rectangular connectors are designed with a captive contact system, which means that the contact is securely held in place once it is inserted into the terminal block. This prevents the contact from becoming disengaged and reduces the risk of accidental disconnection.

The various parts of a rectangular connector are designed to provide a secure electrical connection. The contact typically has two parts: a bronze or copper rivet and a plastic or nylon bearing. The rivet provides a low electrical resistance and a high contact pressure, and the bearing provides a higher electrical resistance and a lower contact pressure. This combination ensures that the contact is firmly held in place.

Common Types of Rectangular Connectors

The most common type of rectangular connector is a two-conductor terminal strip. This type of connector is typically used in consumer electronics, automotive applications, and some industrial control systems. The terminal strip consists of two conductive strips that are arranged in parallel. Each strip consists of multiple contact terminals, and the conductors are arranged in rows and columns. This type of terminal strip provides a reliable and low-resistance connection.

Other types of rectangular connectors include three-conductor terminal strips, four-conductor terminal strips, and other types of terminal strips. There are also other types of connectors such as quick disconnects and crimp terminals. Each type of connector has its own advantages and is used in different applications.

No matter the type, rectangular connectors provide a reliable and low-cost connection system. They are available in different sizes and colors, as well as in different contact configurations. With their wide range of applications, rectangular connectors are an essential part of many electrical systems.

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