521116-2

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Introduction

521116-2 rectangular connectors are typically used for high current, high voltage signal transmission and power distribution in industrial and automotive applications. The 521116-2 connector conforms to the UL/IEC 60812 standard, and is certified to the latest, most stringent requirements for safety and performance. This connector is particularly suited for power and signal transmission in high-power, high-data applications as found in industrial, automotive, telecommunication and instrumentation.

Construction & Configuration

The 521116-2 connector consists of a housing and multiple contacts, all of which are made from nickel-plated brass with chloroprene overmolding. The 521116-2 also features a unique low-profile design, which minimizes its footprint and improves routing of cables in tight spaces. The contacts are keyed and friction-locked in place, providing a reliable connection.

Housing

The 521116-2 housing is made from high-performance thermosetting nylon, which is engineered to withstand harsh environmental conditions and feature excellent wear and fatigue resistance. The housing features a unique two-piece design with no need for a latch, which makes the attachment and detachment of mating connectors a breeze and provides a secure mechanical connection. The external contacts are also strengthened by a two-piece design, which prevents them from being inadvertently pulled out of the housing.

Contacts

The 521116-2 connector features a total of nine metal contacts, all of which are Gold-plated brass. The contacts are secured to the housing by means of a friction-lock design, which eliminates the need for mechanical latches or locks – simply push the contacts into the housing to make a secure connection. The contacts are also coded to prevent mismatching of pins, and feature a variety of contact configurations – including multiple signal pins and power pins – to meet the specific needs of the application.

Specifications

The 521116-2 connector is rated for a voltage of 250V and a current of 20A. The contacts are rated for 1A/pin, and the insulation resistance is 1000 Megohms minimum. The dielectric strength is 500Vdc, and the durability is rated at 300 mating cycles. The operating temperature range of the 521116-2 connector is -40°C to +105°C.

Applications

The 521116-2 connector is ideal for use in a variety of applications – including industrial, automotive, commercial, and military applications – where high-current, high-voltage signal and power distribution is required. It is particularly suited for power and signal transmission in high-power, high-data applications as found in industrial, automotive, telecommunication and instrumentation.

Working Principle

The working principle behind the 521116-2 connector is simple. The two-piece housing and contacts create a secure electrical connection by firmly pressing the contacts together. The contacts are held in place by the housing and are not able to become loose or detached. The friction-lock design ensures a secure connection, even when subjected to vibrations. The Gold-plated brass contacts provide excellent electrical conductivity and durability, and the chloroprene overmolding allows for easy mating and unmating of connectors.

Conclusion

The 521116-2 rectangular connector is an ideal solution for high-current, high-voltage signal and power distribution applications. The connector\'s unique low-profile design allows for improved cable routing in tight spaces. The two-piece housing design and Gold-plated brass contacts ensure secure and reliable electrical connections even in harsh environments. The UL/IEC 60812 certification guarantees that the 521116-2 connector meets the latest safety and performance standards. This makes it the ideal choice for power and signal transmission in a variety of industrial, automotive, and commercial applications.

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