** [Push button emergency lock single contact Pars Fanal](https://www.automation24.ir/product-3860/%D9%BE%D9%88%D8%B4-%D8%A8%D8%A7%D8 %AA%D9%86-%D8%A7%D9%85%D8%B1%D8%AC%D9%86%D8%B3%DB%8C-%D9%82%D9% 81%D9%84%D8%B4%D9%88-%D8%AA%DA%A9-%DA%A9%D9%86%D8%AA%D8%A7%DA%A9 **
Push button is a typical switch mechanism to control some system activities. There are many push buttons in the market with different models and different shapes and mechanisms. Push buttons actually perform a function when pressed by the operator. Push buttons can be momentary, that is, they act as soon as we press it and it returns to its original state if we let go of it, or it can act in such a way that it acts by pressing it and in It remains in the same position and returns to its first position by being compressed again.
## Push buttons in terms of color:
Push buttons are also made in different colors, each of these colors represents a type of function. For example, red color is used to step the system and green color is used to start or start the car. This feature prevents the operator from making mistakes while working with these keys.
Also, a series of push buttons in red color have bigger heads than other push buttons, which are called mushroom keys in the industry and are used as emergency chassis in the system. This type of mushroom push buttons is designed in two ways, with keys and simple, for use in different places. Depending on the limitations of the system, the push buttons are made of plastic or metal, which have a simple or waterproof function available in the market.
## In terms of performance status:
In order to show the status of some of the push buttons to the operator, a light is also installed on them, which the operator will notice if the light turns on.
That this key has worked.
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## Things to consider when buying push buttons:
1. Type of push button (for example, start or step)
2. Type of operation (for example, momentary or permanent)
3. Combination of contacts (1NO 1NC)
4. The diameter of the installation location of the push button on the panel
5. Voltage of the light if the push button is lit
6. Ability to replace contacts
7. Tolerable current of contacts
8. The number of allowed disconnection and connection times
Company | سایت اتوماسیون 24 |
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Tel | +98 25-3×××5444, +98 25-3×××3444 |
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Website | http://www.automation24.ir |
Country | Iran |
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Address | قم -میدان امام خمینی- بلوار شهید بهشتی - پلاک 67 - فروشگاه اینترنتی اتوماسیون 24 |