What is Slide Switches and How Do they work

May 09, 2020

Slide Switches Information

Slide Switches are mechanical switches using a slider that moves (slides) from the open (off) position to the closed (on) position. The Micro Slide Switch allows control over current flow in a circuit without having to manually cut or splice wire. This type of Momentary Slide Switch is best used for controlling current flow in small projects.

There are two common internal designs of slide switches. The most common design uses metal slides that make contact with the flat metal parts on the 2 Position Slide Switch. As the slider is moved it causes the metal slide contacts to slide from one set of metal contacts to the other, actuating the switch. The second design uses a metal seesaw. The slider has a spring that pushes down on one side of the metal seesaw or the other.

Slide switches are maintained-contact switches. Maintained-contact 3 Position Slide Switch stay in one state until actuated into a new state and then remain in that state until acted upon once again.

Depending on the actuator type, the handle is either flush or raised. Choosing a flush or raised switch will depend on the intended application.

Pole and Throw Configurations

Pole and throw configurations for slide switches are very similar to those of pushbutton switches.

Most slide switches are of the SPDT variety. SPDT switches should have three terminals: one common pin and two pins which compete for connection to the common. They are best used for selecting between two power sources and swapping inputs.

Another common pole and throw configuration is DPDT also called 4 Position Slide Switch . The common terminal is usually in the middle and the two select positions are on the outsidde

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