1773802 Connectors, Interconnects

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Heavy Duty Connectors - Housings, Hoods, Bases are components which provide an alternative connection method for heavy duty equipment and applications. This type of connection method, named 1773802, is used for electrical connection and is characterized by improved protection against mechanical shock and vibration, as well as enhanced resistance to ingress. We take a closer look at the application fields and working principles of this connection technology.

Application Fields

1773802 is a universal connector typology that enables to easily connect several different pieces of equipment in many different industrial applications. This connector is located in various industrial fields such as military, aerospace, transportation, railway systems, emergency vehicles, oil and gas, mining, and cable and wire assemblies. In these applications, the 1773802 connectors provide a reliable connection that can withstand temperatures of up to 150°C and voltage levels up to 800V.

This connector is especially important for applications in the military, aerospace and transportation sector, where rigorous safety requirements must be met and extreme environmental conditions (high or low temperatures, humidity, airborne particles, etc.) can be encountered. Thanks to its design, the 1773802 connector is IP prevention rated, which enables to prevent the ingress of dust and water. This durability of the connection ensures perfect insulation and carries higher currents, compared to other common connector types such as screw terminal or straight connectors.

Working Principle

The 1773802 connector is based on the snap-fit design and is composed by two parts: the housing and the pin. The housing contains standardized cavities, into which the pins are inserted. The pins feature a tab at the rear end and a cylindrical protrusion in the front. The housings are composed of external layers with grooves and ribs to ensure high-force connection. In order to assemble the pins, the user should insert them into the grooves and apply force to make the pins reach the rib and snap-fit the housings.

From the electrical point of view, the contact between the pins and the metal receptacle generates a mechanical arrangement which in turn produces a high-current carrying capacity along with enhanced protection against shocks, vibrations and other environmental hazards. This contact arrangement is effective thanks to the tapered surface of the contact, which prevents the connector from release after assembly, even under vibration conditions. This contact arrangement is also known as a “push-pull connection” and it increases the safety and reliability of the electrical connection.

1773802 connectors are especially useful in applications that require robust physical protection and superior vibration and shock protection against extreme environmental conditions. Their secure connection and reliable performance make them highly suited for a wide range of electronic, military, aerospace and transportation applications.

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