On the bottom of your switch you will see 6 connectors, as seen below, that will line up with the circuit diagram of the DPDT switch above. Once you have selected a Actuator switch that works within your application, the setup to control the linear actuator is fairly straight forward. Controlling a Linear Actuator with a Actuator Switch Because of this, it is important to ensure your selected Actuator switch has a higher power rating than you need. These high points in current and voltage may surpass the rated values of your switch, which will shorten the life of the actuator switch or even cause it to fail immediately. This is particularly important when using Actuator switches with inductive loads, like a linear actuator, as turning on the switch causes an inrush of current and turning off causes a peak in voltage. If your Actuator switch is only rated for AC, it can still be used with a DC circuit, but the power rating will be much reduced (around 10% of the AC rating, but that’s not a hard rule). The power rating is usually given as an amperage and voltage in either AC or DC, as an example: 16A 250V AC, and is the absolute power limit your switch can handle. These specifications include size, electrical properties, and life expectancy, but the most important, for most applications, is the power rating. But before you purchase, you’ll want to check out the specifications of your desired Actuator switch. Once you know how you want your 12v Actuator switch to function, you can start looking at the different styles and features of the various switches including rocker switches, toggle switches, and LED backlighted switches. Both of these types of actuator switches are able to be used to control a linear actuator and the one you choose will depend on your application and preference, but it is important to consider as it may make more sense to use one style over the other for your situation. Momentary switches will always default to the center position if not pressed, while non-momentary or sustaining switches, will lock into the last position it was pressed to.
Your choice between these different Actuator switches will mostly depend on your application or personal preference, but there is one feature that will impact how the Actuator switch will operate, which is whether the Actuator switch is momentary or non-momentary. You can also find DPDT switches that are ON-ON, which means there is no off position, but these Actuator switches might not make sense for controlling an actuator in your application.Įven still, there are lots of DPDT ON-OFF-ON switches out there in various styles and with different features.
A double pole Actuator switch will allow you to change the direction of the input voltage to the actuator, which is needed to change directions, while a double throw gives you two ON positions, one for extension and the other for retraction. The number of poles and throws a Linear Actuator switch has will define how it operates and refers to the number of circuits and number of on positions, respectively. As you are most likely wanting to extend and retract your linear actuator, you’ll want to use a Double Pole Double Throw (DPDT) ON-OFF-ON switch. There are lots of types of electrical switches out there, so how do you know which one is best for controlling a linear actuator. Using a Switch Switch Video Relay Video What Type of Actuator Switch Do I Need?
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