relay pinout

PCB mountable relay pinout 

pcb mountable relay pinout

A relay pinout refers to the layout and function of the pins in a relay, which is an electrically operated switch used to control high-power circuits with low-power signals. Here's a basic breakdown of common relay pinouts for a 5-pin relay:

Standard relay pinout 

Standard relay pinout


Pin 1 - Coil ground: This pin connects to the ground side of the control circuit.


Pin 2 - Coil power: This pin connects to the positive side of the control circuit.


Pin 3 - Common (COM): This pin is the primary input, where the power source connects.


Pin 4 - Normally Open (NO): When the relay is activated, this pin connects to Pin 30, sending power to the connected load.


Pin a - Normally Closed (NC): When the relay is deactivated, this pin remains connected to Pin 30, powering a different circuit.


Understanding the relay pinout is crucial for proper wiring in electrical systems to ensure safe and efficient switching.

Location: Ramala, Uttar Pradesh 250623, India

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