12V SSR OMRON RELAY

Name: 12V SSR OMRON RELAY
SKU: 4386
Availability: InStock

A solid-state relay (SSR) is an electronic switching device that switches on or off when a small external voltage is applied across its control terminals. SSRs consist of a sensor that responds to an appropriate input (control signal), a solid-state electronic switching device that switches power to the load circuitry, and a coupling mechanism to enable the control signal to activate this switch without mechanical parts. The relay may be designed to switch either AC or DC to the load. It serves the same function as an electromechanical relay but has no moving parts. Tags, 12V Relay, 12V 2A Relay, 12VDC Relay, 12V PCB Mount Relay, 12V Solid State Relay, 12V Omron Solid State Relay.

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Description

To use this Relay you need to connect the control input (number 3) pin to the 5V GPIO pin of the microcontroller board you are using and number 4 pin to GND and if 5V supply is on the there will be contact between number 1 and number 2 load pins.

Relays are used to control high voltage high current systems with your low voltage control inputs or to provide protection and electric separation between the systems. The normal Electromagnetic relays operate on principal of electromagnetism which is when a coil is energized it will behave as magnet to make connections in control line and when it is de-energized the connection is open. But this is not the case with Solid State relay which uses photocoupling for switching on and off the load. Its operation is faster than the normal electromagnetic relays and it can be used in applications like Switched Mode Power Supply and PWM control of motors and Servo Motor applications. It also smaller in size than conventional relays and can be packaged much more efficiently.