S3EB-L-12V

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Power Relays, Over 2 Amps

The S3EB-L-12V is a DC power relay with a rated operational voltage of 12V DC, contact capacity of 2A, and a maximum switching voltage of 200V DC. It is widely used in low-voltage control and switching circuits, such as in automotive and other small-scale electrical control circuitry. The S3EB-L-12V is an inexpensive, yet reliable, and easily interchangeable component.

Application Field

The S3EB-L-12V is used mainly in the automotive industry, as it is designed to be triggered by either PCB-mounted control systems or by hand-held remotes. This makes it an ideal choice for vehicle-based applications requiring low-voltage switching and control. Examples of its application include connecting and disconnecting battery sources, controlling starter systems, controlling immobilizers, and controlling lights.

Working Principle

The S3EB-L-12V is a relay made of two major components: the contact points and the coil. The contact points are made of two metal terminals which are connected through the action of the coil. Whenever a voltage is applied to the coil, it generates an electromagnetic force that attracts the two contact points together, thus closing the circuit. Reversing the voltage then "turns off" the relay by deactivating the coil\'s electromagnetic force.

The S3EB-L-12V operates almost instantaneously, allowing rapid and reliable switching of the contact points. It requires very little energy to activate the coil, thus minimal power consumption, making the relay ideal for small current applications.

Advantages

The S3EB-L-12V is an ideal choice for low current applications, as it draws relatively little current during its activations, thus prolonging the life of the power source. It is also very shock-resistant, meaning that it can remain operable even in the event of vibration and shock. Furthermore, its small size and low price makes it an ideal choice for mass-production operations.

In addition, the S3EB-L-12V is equipped with a diode that effectively prevents back-EMF from interfering with the circuit. This diode helps maintain the stability of the circuit and prevents the chances of unwanted electric spikes.

Conclusion

The S3EB-L-12V is a DC power relay capable of handling low-voltage, low-current switching and control applications. It is small, inexpensive and shock-resistant, allowing it to serve as a reliable and interchangeable component in the automotive industry. Its shock-resistance and anti-interference protection make it an ideal choice for electric and control systems requiring precision and stability.

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