51873-1

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Terminals - Ring Connectors

Ring connectors (sometimes referred to as “ring lugs” or “ring terminals”) are a type of electrical connection device used for making electrical connections between two or more conductors. Ring connectors feature a hole punched through the center of the ring from which the conductor can easily be inserted and secured. This is then bolted, riveted, or crimped to create a secure physical and electrical connection.

Ring connectors are available in different sizes and dimensions according to the requirements of the customer. They are typically available in a range of materials including copper, tin, brass, aluminum, and stainless steel. Some of the common electrical ratings for ring connectors are UL (Underwriter’s Laboratory) listed as well as CSA (Canadian Standards Association) certified. Ring connectors can also be used for grounding purposes or enclosures.

Ring connectors typically conform to international standards, most commonly classified according to part numbers such as 51873-1. The application field and working principle for this particular type is as follows:

The 51873-1 application field is generally pertaining to the attachment of flexible cables to rigid and fixed structures and related components for electronic devices. It is typically used as an anchor for electrical harnesses or networks by providing a flexible hook for engaging and securing the cables. The working principle for 51873-1 is based on the interlocking of two rings which have pin recesses in them. A flexible conductor is inserted into this interlocking assembly, and the two rings are then bolted, riveted, or crimped to create a secure structural as well as electrical connection.

Ring connectors are also commonly used in automotive applications due to their small size and simple design. They are often used for the establishment of reliable electrical connections between various components in a wide range of electronic devices such as starters, alternators, and various other signal and electrical harnesses. Additionally, ring connectors are also used to attach flexible wires or cables to rigid and fixed structures or frames.

The installation of ring connectors is also relatively easy compared to other electrical connectors, as they only require a few simple tools and fasteners. This makes them ideal for job sites where quick installation is needed. In addition, due to their small size and flexibility, ring connectors are also extremely versatile and can be used for a variety of applications.

In conclusion, ring connectors are an essential component of any electrical system. Their relatively small size, versatility, and attractive pricing make them an ideal choice for a wide variety of applications. The 51873-1 application field and working principle, in particular, allows for the secure attachment of flexible cables to rigid and fixed structures, making them particularly useful in various electronic devices.

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