60851-3

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60851-3 application field and working principle.
Terminals - Quick Connects, Quick Disconnect Connectors.

The 60851-3 standard is one of the internationally recognized standards and is designed for use in a variety of industries, ranging from automotive to electronics. It defines best practices for identification of quick disconnect terminals, and defines the requirements in regards to safety and electrical properties.

This standard identifies the working principle of quick connect and quick disconnect connectors that are used in electrical terminals. The principle works by applying a mechanical force to the connector body, which creates an opening in the mating surfaces. This allows a current to be transferred via contact to the terminal. The two contacting surfaces, the male and female surfaces, must be mechanically fastened to each other after contact. This ensures that an electrical current will actually make an active connection.

The specifications defined by the 60851-3 standard are primarily related to the physical contact characteristics of these terminals. This includes requirements such as the overall length, mating dimensions, and contact force. Additionally, the standard also defines mechanical requirements such as environmental sealing, current carrying capacity, and contact resistance.

One of the most important aspects of the quick connect/disconnect terminals specified in the 60851-3 standard is the safety requirements. This includes testing of the electrical properties, such as off-state voltage, contact resistance, and current carrying capacity, as well as mechanical forces and the reliability of connections.

The reliability of the terminals specified in the 60851-3 standard is caused through the use of quality materials and careful design, but also careful consideration of the mechanical properties of the connecting surfaces. It is generally expected that the contact will be maintained over multiple mating cycles, as well as long-term intermittence. Additionally, the standards specify the applicable torque settings for tightening the mating surfaces.

Overall, the 60851-3 standard provides an excellent set of safety requirements and design specifications for quick connect/disconnect terminals. It ensures reliability and safety when making connections within a system, and also allows a wide range of applications due to its flexibility.

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