Push button switches are used in all our daily applications. They offer a unique turning on and off mechanism, from a simple doorbell to machinery operations. One of their unique options is the momentary push button switch.
It works briefly but is ideal for short-term applications without wasting much energy on a constantly running system. Today, we will discuss the momentary push button switches and understand how they work with their applications and benefits.
What Is a Momentary Switch? How Does It Work?
A momentary push button switch is a unique type that turns on when pressure or force is applied and returns to its off position when removed. Unlike a traditional switch, it remains on only briefly until the pressure or force is applied.
It is ideal for the brief activity of electrical systems. It has two conditions.
- Normally open—pressing a button can turn on the system by completing the circuit.
- Normally closed—pressing a button can cut off the circuit and stop the function.
Types of Momentary Push Button Switches
Momentary switches come in different working mechanisms and options. Let’s have a close look at four key types.
Waterproof
They have a protective sealing that makes them more durable and impermeable to water. Such waterproof momentary switches are preferred for outdoor applications, vehicles, and marine tools where durability is the primary need.
Tactile
Tactile momentary switches are famous for the click feedback when touched. They offer a positive response so that a user can understand. Such switches are useful for keyboards, control panels, and handheld electronics.
Illuminated
As the name indicates, they have a built-in illumination mechanism with an LED light source. Illuminated switches offer better visibility and use in home appliances and gaming devices.
Soft Touch
High-end devices use the soft-touch switch system for repeated touch use and comfortable operations. They deliver excellent pressing performance on several devices.
Benefits of Momentary Push Button Switches
Momentary push button switches are the game-changers because of the following benefits:
Compact Design
Modern applications don’t have much space left. For example, a smartphone has a tight space and might not fit a large switch. Thanks to the momentary switch, it is compact and fits into all the spaces without any worries.
Durable
Momentary switches offer excellent durability because of metal housings, waterproofing, and dust protection for harsh environments. You can deploy them in various environmental conditions and use them for several years until they wear out.
Cost-effective
Compared to other switch types, momentary button switches are pretty affordable. Compact design and expert engineering decrease the bulk production while maintaining the protection of the users at the top.
Applications of Momentary Push Button Switches
Momentary switches are part of several applications. They play a role in all devices, from small to large machinery. Here are a few examples added.
Intercom
In communication applications, users can press the button and record their voice. It automatically disconnects whenever they release the button and doesn’t communicate any further.
Home Appliances
Microwaves, washing machines, mixers, and other household devices use the momentary push button switches for deliberate action and the start of a washing cycle.
Elevator Buttons
Elevator buttons are a good example of push-button switches. They receive the response when touched and deliver it to the control system while resetting the settings and buttons.
HVAC Apparatus
In heating, ventilation, and air conditioning systems, push-button momentary switches offer a brief job and help command a task for a few seconds. They help with manual overrides, resetting systems, or temporarily adjusting functions.
Features to Look for When Choosing The Momentary Push Button Switch
When choosing a momentary switch button, consider the following tips from industry experts.
Size
A compatible size guarantees quality usage. For electronic applications, you should choose compact momentary push button switches. At the same time, large machinery has plenty of space and requires large-sized push button switches.
Design and Material
Durable materials, such as stainless steel or high-grade plastic, are ideal for the push button switches. For outdoor usage, you should prefer the metallic construction. Meanwhile, high-quality plastic construction can be a suitable solution indoors.
Durability
You might never want a switch that deteriorates quickly. For this reason, buy those switches that offer better durability and millions of lifecycles. Also, consider the IP-rated waterproofing and weatherproofing for outdoor usage.
Pricing
Momentary switch push buttons are affordable, but features like waterproofing, illumination, or heavy-duty construction can increase costs. You should keep a balance between the features and costs to reduce expenses.
Electrical Specifications
A low-power switch is ideal for a low-power source. A high power can work with high power systems. You should check the voltage and power compatibility before finalizing your decision.
FAQs
- How to wire a momentary push button switch?
There are four fundamental connection steps
- Cut off the power
- Connect the positive terminal of the power source to the switch.
- Connect the positive terminal of the device with the switch NO terminal. And connect the negative terminal of your device with the negative terminal on the power source.
- Turn on the power and test
- Do momentary switches stay on?
No. They stay on until you keep them pressed. Once you release the button, the momentary switches cut off the circuit and connection.
- What is the difference between momentary switches and latching switches?
A momentary switch works as long as it is pressed. On the other hand, the latching switch has a distinct turn on or off once pressed. There is no constant pressing.
- Can momentary switches only be used once?
No. They are ideal for repeated use in different environmental conditions, depending on the quality of their construction. For example, an IP-rated switch can survive decades in the outdoor environment.
Conclusion
Momentary push button switches seem small tools but deliver an extended facility. They are indispensable in everyday life and are helpful for different applications. Whenever choosing a switch, consider the quality of the tested waterproofing and environmental protection. Buy from the top-class brands to gain confidence in switches!
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