When researching some of the different types of electrical switches, you may come across piezo. Piezo switches serve the same purpose as other switches: They allow a human operator to open or close a circuit. Piezo switches, however, leverage the mechanical bending properties or piezoceramic material. With their piezoceramic construction, piezo switches offer several benefits.
#1) Easy to Operate
Piezo switches are easy to operate. You don’t have to forcefully press them. As long as you place your finger on a piezo switch, followed by lightly pressing it, the piezo switch will respond by opening or closing the circuit. Lightly pressing the piezo switch will cause it to generate a voltage. The piezo switch will then use this voltage to open or close the circuit.
#2) Withstand Moisture and Humidity
There’s little or no risk of moisture damage with piezo switches. All piezo switches are sealed. They still contain electrical parts, such as the circuit, but they are sealed to prevent the ingress of moisture and humidity. If you’re looking to buy a new switch for a moist or humid environment, you may want to choose a piezo switch for this reason.
#3) Low Maintenance
Another reason to choose a piezo switch is their low maintenance requirements. The only form of maintenance piezo switches require, in fact, is the occasional cleaning. And because they are sealed, you can clean piezo switches with a standard liquid-based cleaning solution.
#4) Long-Lasting
To say piezo switches last a long time would be an understatement. They aren’t considered mechanical switches. Rather, piezo switches are considered touch switches that, like all touch switches, aren’t vulnerable to wear and tear. A typical piezo switch can last for over 50 million actuations.
#5) Multiple Back Panel Options
You can choose from several back panel options for a piezo switch. Some piezo switches are designed with a plastic back panel, for instance. Other piezo switches are designed with a metal back panel. Those designed with a plastic back panel are typically lighter than their metal counterparts. Piezo switches designed with a metal back panel, on the other hand, are typically stronger and more durable than their plastic counterparts. Regardless, there are multiple back panel options from which to choose.
#6) Multiple Faceplate Options
In addition to back panel options, piezo switches are available in multiple faceplate options. The faceplate is the top layer over a piezo switch. You can choose from a variety of faceplate materials for a piezo switch, some of which include stainless steel, aluminum, glass and plastic.
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