FN372B-2-21

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Power entry connectors, such as the FN372B-2-21, are essential components for any electronic application. They provide the electrical connection from an external power source to a device, and are designed to ensure a safe and reliable connection. Knowing the application field and working principle of a power entry connector is crucial to securing its performance.

Application Field of FN372B-2-21

The FN372B-2-21 is a 2-pole power entry connector with a Euro AC Ballast plug. It is best suited for applications that require a high level of insulation and environmental protection. This connector is particularly well-suited for indoor and outdoor installations in dry, damp, and harsh environments. It is also suitable for contact with instruments, appliances, and machines operating in a temperature range of -20 to +125°C.

As described in the manufacturer’s product information sheet, the FN372B-2-21 also supports current insulation and short-circuit protection. It is supplied with an IP67 degree of protection and a UL94V-0 grade of flammability. Therefore, it provides protection against shock, water ingression, and fire.

Working Principle of FN372B-2-21

The FN372B-2-21 is a two-pole power entry connector. It provides reliable electrical connection from an external power source to an electronic device. Its housing is designed to provide excellent protection against environmental factors, such as dust, water, and shock. The contact portion of the connector features spring-type connections, which ensure secure contact when inserted. The contacts are also insulated from each other, providing superior insulation protection.

The connectors also come with an additional contact for ground connection. This ground connection improves safety and impedes any potential risk of electric shock. The contact also features a thermocouple protection as an additional safety measure. This thermocouple automatically disconnects the connector from the power source in the event of a short circuit or overload.

The FN372B-2-21’s robust design includes a cable clamp, which helps to maintain the connector’s position when a cable is connected. The connector also features an ergonomic grip that facilitates easy connection and disconnection.

Conclusion

Power entry connectors, such as the FN372B-2-21, provide an essential electrical connection between an external power source and a device. Knowing its application field and working principle is essential to ensuring its performance. This article discussed the application field and working principle of the FN372B-2-21, a 2-pole power entry connector specifically designed to provide excellent protection in dry, damp, and harsh environments. It is supplied with an IP67 degree of protection and a UL94V-0 grade of flammability, making it suitable for use in medical and electric equipment. The robust design also includes features such as a cable clamp, contact insulation, a thermocouple protection, and a spring-type connection to ensure a secure and reliable connection.

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