SFN4D-DC12V

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 are versatile devices that are used for switching AC and DC loads, performing several functions from starting motors to controlling industrial process sequences. The SFN4D-DC12V is a versatile power relay specifically designed to switch lower DC current. This article discusses the application field and working principle of the SFN4D-DC12V.

The SFN4D-DC12V is a 4PDT relay with DC coil ratings of 12v, offering up to 2A switching currents. The SFN4D-DC12V is designed for DC switching applications such as automotive sensing and control, lighting, communications, and power distribution. It is also suitable for high frequency switching applications such as digital input and output modules, home and industrial automation, security systems, and robotic arms.

The SFN4D-DC12V is designed with a resettable bimetallic strip, which provides additional protection against over-voltage. It also has a positive-break-contact design, meaning that the contacts will open automatically if the load is disconnected, preventing short circuits. Additionally, the relay has a diode suppression coil which prevents voltage spikes from occurring when the load is switched off. The relay also has a built-in LED indicator for visualizing the status of the relay.

The SFN4D-DC12V features a number of protection functions that help to reduce the risk of damage or faulty operation. It features reverse-voltage protection to protect against incorrect wiring, and the contacts are designed to be breaking-resistant, reducing wear and tear during frequent switch-cycles. The SFN4D-DC12V also has a built-in fuse to protect against excessive current.

The working principle of the SFN4D-DC12V is based on the electromechanical operation of a relay. When the relay coil is energized, a magnetic field is created, which energizes the armature and brings the contacts together. This allows the current to flow through the load. When the coil is de-energized the magnetic field is lost and the armature is allowed to spring apart, thus opening the contacts and stopping the current from flowing.

The SFN4D-DC12V is a versatile power relay ideally suited for DC switching applications that require up to 2A switching currents. Its features, including reverse-voltage protection, breaking-resistance, diode suppression and a built-in LED indicator, make it an ideal choice for applications such as automotive sensing, lighting, communications, and robotics.

In summary, the SFN4D-DC12V is a versatile power relay designed for DC switching applications with up to 2A switching currents. With its reverse-voltage protection, breaking-resistance, diode suppression and a built-in LED indicator, it is an ideal choice for automotive, lighting, communications, and robotics applications.

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