
Push Buttons

A push button switch is an electrical switch that is activated by pressing a button. They come in various sizes, shapes, and styles, and are commonly used in control panels, machinery, and other devices that require a user interface.
Push button switches have different current and voltage ratings, which determine their operating conditions. They can be mounted in different ways, such as surface mount or through-hole mounting with PC pins. They also have different functionality, including momentary or latching, meaning that they can be activated for a short period of time or remain in the on position until they are turned off.
Pushbutton switches typically have a panel-mounted design, where the button protrudes from the surface of the panel. They may also have different caps or accessories that can be added to provide additional functionality, such as indicating lights or protective covers. The terminals of pushbutton switches can be screw or solder-type connections, and they can be actuated by human hands or with other tools.
There are various types of pushbutton switches, including SPDT (single pole double throw), DPDT (double pole double throw), and break-before-make. They can be used in a multitude of applications, ranging from simple on/off controls to more complex circuits requiring multiple switches. Pushbutton switches are small and easy to use, making them a popular choice in many electronic projects and devices.
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What is a typical mounting style for pushbutton switches?
There are several mounting styles for pushbutton switches, but some of the most common ones are: panel mount, PCB mount, solder lug and snap-in.
What is a PC pin?
A PC pin, also known as a PCB pin, is a type of electrical connector used to attach electronic components to a printed circuit board (PCB). It is a small metal pin or wire that extends from the bottom of a component and is designed to fit into a plated through-hole or mounting hole on the PCB.
Maintaining NEMA 4 Rating When Making Enclosure Penetrations
Cutouts are very common when modifying enclosures for push buttons, indication lights, conduit entries or mounting hardware. Cutting into an enclosure runs the risk of eliminating the protective nature of the NEMA rated attributes. Proper steps must be followed in order to preserve the NEMA rating of an enclosure.
Devices mounted to the enclosure must have the same NEMA rating as the enclosure.
This means that if the devices are installed to the manufacturer's specifications, they will be able to maintain the NEMA rating of the enclosure.
Water tight conduit hubs must be used when running wire through a cutout in an enclosure.
There are many different types of conduit hubs that are used to secure conduit to an enclosure. However, only certain conduit hubs are rated for a watertight seal. By using water tight hubs, the NEMA rating of the enclosure is maintained.
Bonded washers are necessary when mounting hardware to an enclosure.
If standard mounting hardware is used, the NEMA rating of the enclosure will no longer be maintained. Bonded washers have rubber gaskets that make a watertight seal around the drilled hole. It is also important to make sure the material used for the bonded washer matches the material of the enclosure. Stainless steel enclosures require stainless steel bonded washers.