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Push Button Switches – Momentary, Illuminated & Panel Mount
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Push Button Switches – Momentary, Illuminated & Panel Mount
Shop push button switches at AU Electronics Direct. Explore our range of electronic push button switches, including momentary switches, latching switches, illuminated LED push buttons, tactile switches and heavy-duty industrial switches for electronic projects, control panels and equipment.
Our selection includes SPST, SPDT, DPST and DPDT push button switches in various configurations, mounting styles and operating functions. Choose from PCB mount, panel mount and solder tail switches, as well as waterproof IP65 and IP67-rated push buttons for applications requiring additional protection.
Whether you need a miniature tactile switch for a circuit board, an illuminated push button for a control panel or a heavy-duty momentary switch for industrial equipment, browse our range to find a suitable switching solution. Compare contact configurations, operating mechanisms, LED colours, mounting options and electrical ratings to select the right push button switch for your application.
Types of Push Button Switches
Push button switches are available in different operating mechanisms, contact configurations and mounting styles to suit a wide range of electronic and electrical applications.
Momentary Push Button Switches
Momentary push button switches operate while the button is pressed and return to their original position when released. They are commonly used for start buttons, reset controls, electronic circuits and other applications requiring temporary switching.
Latching Push Button Switches
Latching push button switches maintain their switching state after being pressed. They are suitable for applications requiring an on/off switching function without continuously holding the button.
Illuminated LED Push Button Switches
Illuminated push button switches incorporate LED lighting to provide visual indication when a button is activated or when equipment is operating. They are available in different colours, including red, green, blue, yellow and white.
PCB Mount Push Button Switches
PCB mount push button switches are designed for direct installation onto printed circuit boards. They are commonly used in electronic devices, control circuits, equipment interfaces and DIY electronics projects.
Panel Mount Push Button Switches
Panel mount push button switches are designed to be installed through an opening in an equipment panel or enclosure. They provide convenient manual controls for machinery, electronic equipment and control systems.
Waterproof and Industrial Push Button Switches
Waterproof push button switches are available with IP-rated protection against dust and water ingress. Heavy-duty and vandal-resistant designs are suitable for applications requiring durable switching components.
Understanding Push Button Switch Configurations
Push button switches are available with different electrical contact configurations. Understanding these configurations helps when selecting a suitable switch for your circuit.
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SPST: Single Pole Single Throw, providing one switching circuit.
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SPDT: Single Pole Double Throw, allowing one input to switch between two outputs.
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DPST: Double Pole Single Throw, controlling two separate circuits simultaneously.
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DPDT: Double Pole Double Throw, allowing two circuits to switch between two positions.
The choice of configuration depends on the circuit design, electrical requirements and intended switching function.
How to Choose the Right Push Button Switch
When selecting a push button switch, consider the following specifications:
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Operating mechanism: Determine whether a momentary or latching switching action is required.
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Contact configuration: Select SPST, SPDT, DPST or DPDT according to your circuit requirements.
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Mounting type: Choose between PCB mount, panel mount and solder tail configurations.
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Illumination: Consider whether an LED indicator is required and select the appropriate colour.
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Ingress protection: Check the IP rating if the switch will be exposed to dust or moisture.
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Electrical rating: Verify the voltage and current ratings are suitable for the intended application.
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Physical dimensions: Check the mounting diameter, switch height and terminal layout before purchasing.
Choosing the correct push button switch helps ensure compatibility with your electronic equipment, control panel or electrical installation.
Applications of Push Button Switches
Push button switches are widely used in electronic equipment, industrial control panels, machinery, automotive accessories, DIY electronics and electrical control systems.
Common applications include start and stop controls, reset buttons, power controls, user interfaces, circuit activation and equipment status indication. PCB-mounted tactile switches are particularly useful in compact electronic devices, while illuminated and heavy-duty panel-mounted switches are suitable for larger equipment and control applications.
FAQ
1. What is a push button switch?
A push button switch is an electrical switching component operated by pressing a button. It is used to open, close or change the state of an electrical circuit.
2. What is the difference between momentary and latching push button switches?
A momentary push button switch returns to its original position when released. A latching push button switch maintains its selected switching state until pressed again or otherwise reset.
3. What is an illuminated push button switch?
An illuminated push button switch incorporates an LED or other light source to provide visual indication. These switches are commonly used in control panels, machinery and electronic equipment.
4. What does SPST and SPDT mean on a push button switch?
SPST means Single Pole Single Throw and controls one switching circuit. SPDT means Single Pole Double Throw and allows a single input to switch between two output connections.
5. What is a PCB mount push button switch?
A PCB mount push button switch is designed to be soldered directly onto a printed circuit board. It is commonly used in electronic devices, control boards and compact equipment.
6. Are push button switches waterproof?
Some push button switches feature IP-rated protection against dust and water. Check the manufacturer's specifications to confirm the protection level, such as IP65 or IP67.
7. What is the difference between normally open and normally closed push button switches?
A normally open switch has contacts that are disconnected in its normal state and connect when activated. A normally closed switch has contacts that are connected in its normal state and disconnect when activated.
