M39029/85-459

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Circular connectors are widely used in the engineering and industrial fields due to their compatibility with many standard and custom applications. The M39029 / 85-459 is a part of the popular 3900 series of military grade connectors from Molex, and is used in avionic, weapon systems, and many other industries that require a strong and reliable connection, and often require the availability of mission-critical components. It is designed to be removable yet still provide little penetration of environmental forces within the contact area.

The M39029/85-459 connector is generally used in adapter or harness assemblies, and can be connected to both shielded and unshielded cables. It is designed to be removable via a thumb release, ensuring quick and easy disconnection in case of failure, emergency, or field maintenance. The connector includes a minimum of 45 contacts that can be configured as different inserts in order to accommodate both single and double wire connections. It is able to accommodate 22, 26, 30, and 34 AWG wire combinations, which makes it ideal for a variety of industries, including aerospace, military, automation, industrial, instrumentation, and medical.

The working principle of the M39029 / 85-459 is the contact interface. It features one standard interface that consists of a flat contact, a grounding contact, and a ferrule contact to complete the assembly. The contact interface allows for quick and easy connection, with the connector housing preventing wear and ensuring a strong, long-lasting connection. The M39029 / 85-459 uses a single-turn knurled nut locking mechanism to ensure secure mating. Similarly, its modular backshells are compatible with a range of applications, such as actuators, backplanes, drives, and hubs. Additionally, the backshells work with both mil-spec and commercial cable strain reliefs.

Finally, the M39029 / 85-459 is designed to withstand environmental extremes, such as elevated temperatures, high humidity, corrosion, and vibration. The connector is UL, RoHS, and Mil-C-15090A rated, and can also be reverse-mounted to reduce the profile. The connector is suitable for a number of applications, including aircraft navigation systems, anti-icing systems, and radar systems.

The M39029 / 85-459 is a connecting solution that satisfies the requirements of the most demanding applications. Its modular design, affordability, and environmental protection make it the ideal solution for applications requiring a strong, reliable connection. Its single-turn knurled nut locking mechanism ensures a secure mating, whilst its modular backshells supports compatibility with different applications.

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