4 Pin Momentary Switch Wiring Diagram

When it comes to electronics, wiring is an essential component that requires careful attention to detail. A momentary switch is no exception to this rule. Momentary switches are switches that are designed to be activated temporarily, and they often work by pressing or pushing a button. In this article, we will discuss the wiring diagram for a 4 pin momentary switch.

What is a Momentary Switch?

A momentary switch is a switch that is activated when it is pressed or pushed. These types of switches are often used as a power button or as a trigger for an action in a piece of equipment or machinery. They are different from normal switches, which are activated by flipping a lever or switch to the on or off position. With a momentary switch, the circuit is only completed for a short period of time.

Momentary switches are often used in electronic devices, such as computers, game consoles, and audio equipment. They are also used in automobiles as a horn button, starter switch, or brake light switch. In addition, you can find momentary switches in industrial machinery, such as conveyor belts and assembly lines.

What is a 4 Pin Momentary Switch?

A 4 pin momentary switch is a type of momentary switch that has four pins or terminals. The pins are typically labeled as NO (normally open), NC (normally closed), C (common), and GND (ground).

The NO terminal is connected to the C terminal when the button is pressed. The NC terminal is connected to the C terminal when the button is not pressed. The GND terminal is connected to the ground of the circuit.

Wiring Diagram for a 4 Pin Momentary Switch

The wiring diagram for a 4 pin momentary switch is relatively simple. It consists of the following connections:

Terminal Connection
NO Connected to the positive side of the circuit
NC Not connected
C Connected to the negative side of the circuit
GND Connected to the ground of the circuit

When the button is pressed, the circuit is completed between the NO and C terminals, which allows current to flow through the circuit. When the button is released, the circuit is broken, and there is no current flow between the NO and C terminals.

Frequently Asked Questions

What is the difference between a momentary switch and a normal switch?

A momentary switch is activated when it is pressed or pushed, and the circuit is only completed for a short period of time. In contrast, a normal switch is activated by flipping a lever or switch to the on or off position, and the circuit remains in that state until it is changed.

What is the purpose of a 4 pin momentary switch?

A 4 pin momentary switch is often used as a power button or as a trigger for an action in a piece of equipment or machinery. It is also commonly used in automotive applications, such as a horn button, starter switch, or brake light switch.

What is the difference between the NO and NC terminals on a momentary switch?

The NO terminal is connected to the C terminal when the button is pressed, which completes the circuit. The NC terminal is connected to the C terminal when the button is not pressed, which breaks the circuit. Essentially, the NO and NC terminals allow the switch to perform different functions depending on whether it is pressed or not.

What is the purpose of the GND terminal on a momentary switch?

The GND terminal is connected to the ground of the circuit. This is important because it allows the circuit to be completed and for current to flow through the circuit when the switch is activated.