Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Power Relays, Over 2 Amps

The SFS3-DC12V is a power relay that is designed for current carrying applications above 2 amps. It is suitable for use in industrial, commercial and residential settings due to its high current ratings. This power relay can operate in a wide range of tasks such as switching, controlling, regulating and protecting various electronic equipment.

Application Field

This power relay can be used in applications that require switching of loads from 6 to 60V DC. The SFS3-DC12V is commonly used in motor control switches, hot water pump switches, light control switches, temperature monitoring and control systems, solar inverter switches, safety switchs and other such devices. It can also be used in hobby and professional projects such as robotic vehicles, high voltage motors and high efficiency components.

Working Principle

The SFS3-DC12V is an electromechanical relay that functions by switching a small current onto a much larger one when actuated. It is capable of controlling large currents up to 40A DC and 120V AC without the addition of auxiliary components. The relay consists of a solenoid coil that creates a magnetic field when activated, which attracts an armature. This movement of the armature causes a set of contacts connected to the armature to close, allowing the flow of current and completing the circuit.

This type of relay uses a wide range of actuation voltages and employs a holding circuit to secure the contacts after energizing. This ensures that the circuit remains connected and secure even when the actuating voltage is removed. Additionally, the SFS3-DC12V has a low power consumption and low temperature coefficient, making it suitable for use in areas of extreme heat or cold.

Advantages and Disadvantages

The SFS3-DC12V has a number of advantages over traditional relays of its type. Its low power consumption and low temperature coefficient make it suitable for use in extreme conditions. Additionally, its compact size and lightweight make it easy to install and integrate into existing systems. Its broad range of actuation voltages also means that it can be used with a variety of devices.

However, the SFS3-DC12V also has some potential drawbacks. Its small size and lightweight construction may make it prone to damage and wear in industrial settings. Additionally, its contact voltage drop of 2 volts per amp is higher than many other relays, meaning it is not as efficient in controlling high-current applications as some other relays.

Conclusion

The SFS3-DC12V is a high-current power relay designed for applications that require switching of loads from 6 to 60V DC. It has several advantages such as its low power consumption, low temperature coefficient, and its wide range of actuation voltages. However, some potential drawbacks of this relay include its small size and lightweight construction, and its higher contact voltage drop. With its wide range of applications and overall advantages, the SFS3-DC12V is an excellent choice for use in industrial, commercial and residential settings.

The specific data is subject to PDF, and the above content is for reference