62657-1

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Terminals - Magnetic Wire Connectors – 62657-1 application field and working principle

Magnetic wire connectors are terminals used to securely terminate stranded or solid wire conductors. They are also commonly referred to as spring or compression loaded terminals, due to their unique internal mechanism. A 62657-1 terminal falls into the category of magnetic wire connectors, as defined by IEC 62305-3, and is specifically designed to comply with the requirements of UL 498 and CSA C22.2 No. 8.3-2014 for use in 600 volt industrial and commercial equipment, along with electrically-motivated control systems.

Application Field

62657-1 terminals are perfect for a number of distinct application fields. Used in both indoor and outdoor applications, the terminals are most popular in junction boxes or connecting panels. They are also designed to be utilized on equipment used in hazardous locations and certain electrically-motivated control systems. The terminals can be used for thermoplastic or thermoset insulation up to 1/4” (6.3 mm) wire.

Working Principle

AT 62657-1 magnetic wire connector is composed of two parts – the contact and the terminal. The contact, which is made from tin-plated copper, is quick and easy to install, and remains firmly in place. The terminal is composed of a stainless spring, which provides excellent spring-back when exposed to vibration or mechanical shock. When the contact is inserted into the terminal, it passes through two stainless steel clips, which grip onto the insulation of the wire firmly. As the contact is forced down further into the terminal, it passes through a ‘barrier’, as part of the internal structure of the connector, which prevents misinsertion and ensures proper mounting.

The contact eventually reaches a point where an internal magnetic field holds it firmly in place, providing a secure and reliable electrical connection. This magnetic connection ensures that the contact remains firmly in place, even if exposed to extreme vibration or mechanical shock. To ensure proper operation, the contact must remain in its entirety, and the insulation must remain intact for the entire length of the wire.

The 62657-1 magnetic wire connector has numerous advantages, such as easy installation, reliable mounting, secure connection, and resistance to vibration and mechanical shock. It is also rated for up to 600 volts, and is engineered to comply with UL and CSA regulations. Furthermore, the terminals are designed to fit both solid and stranded wire, which makes them versatile and cost-effective.

Conclusion

Magnetic wire connectors, such as the 62657-1 model offer excellent performance, safety and reliability for a wide range of applications. Their unique internal design ensures secure mounting, easy installation, and an electrically safe connection. Furthermore, they meet all the requirements of UL and CSA, and are rated for up to 600 volts. For these reasons, the 62657-1 model of magnetic wire connectors is perfect for indoor and outdoor applications.

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