The latching relay has a small metal strip which can pivot between two terminals. The switch is magnetized, or attached to a small magnet. On either side of that magnet are small coils of wire called solenoids.
How Does a Latching Relay Work? Inside of a latching relay is a pivoting magnetic strip or switch that is positioned between two coils. The electricity flowing into the coils generates a magnetic field. The switch reacts to the magnetic field, falling to one side or the other, resulting in either activating or deactivating the relay. ...
Latching relays are 'bi-stable,' meaning they have two relaxed states. (These are also known as 'stay' relays.) When an electrical flow is turned off, the latching relay remains in the last state it was in. Latching relay is really a generic term that is used to describe the type of relay that maintains its position after the power is removed.
Relays are electromechanical devices that control the voltage of switches. Latching relays send volts to a coil that runs the relay. Unlike other relays, a latching relay does not need unbroken voltage. Taking away the voltage does not place the relay back in its first position. It takes another force action to force it back, such as another operation or a mechanical reset.
The following diagram is also a basic relay but configured in such a way that momentary contact buttons can be used to engage or disengage the relay. Latching Relays are also referred to as "Holding Circuits" F - The trigger power source.
How relays work. Here are two simple animations illustrating how relays use one circuit to switch on a second circuit. When power flows through the first circuit (1), it activates the electromagnet (brown), generating a magnetic field (blue) that attracts a contact (red) and activates the second circuit (2).
Latching Relay Module.: In electronics, a device is said to be a latching device if it maintains any particular fixed state even after removal of the input signal. The same also applies for electronic/electromechanical relays. Basically the electromechanical relays that ...
A latching relay is electrically 'set' to one position, and it remains 'latched' in that position until it is electrically 'reset' to the opposite position. There are two kinds of latching relays: An electrically latched relay is a standard relay with one of its own contacts wired into its coil circuit.
Relays are used to fill in the gap so that a small current can be used to activate a larger one. What this means is that relays can be used as a switch which turns items off or on; or as an amplifier which converts a small current into a larger one. How do relays work? An electrical component of the relay is an electromagnet.