GlobalPush Buttons / Indicator Lamps
Push Button Switches are manually operated switches that are available in many different types: Switches with round or square bodies for mounting in round or square holes, lighted and non-lighted Switches, Indicators, Selector Switches, and more.
| Introduction | Features |
| Principles | Classifications |
| Engineering Data |
 Further Information
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Explanation of Terms
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Troubleshooting |
What Is a Pushbutton Switch?What Is a Pushbutton Switch?
A Pushbutton Switch is a switch designed so that its contacts are opened and closed by depressing and releasing a pushbutton on the Switch in the direction of its axis.
Classifications and Structures
Pushbutton Switches come in two categories: lighted and non-lighted. The structure of a typical Lighted Pushbutton Switch is shown below. Broadly speaking, Lighted Pushbutton Switches are made up of the 5 sections shown below. Non-lighted Pushbutton Switches are made up of 4 sections, the 5 sections shown below less the light source.
Operations
| Operation | Explanation |
| Momentary operation | The pushbutton returns to its original position after it is released. |
| Alternate operation | The first time the pushbutton is pressed, an internal lock mechanism holds it in the same position. The next time it is pressed, the lock is released and the pushbutton returns to its original position. |
| Push-pull operation | When the pushbutton is pressed, an internal lock mechanism holds it in the same position. The pushbutton is returned to its original position when the pushbutton is pulled to release the lock. |
| Push-lock, turn-reset operation | When the pushbutton is pressed, an internal lock mechanism holds it in the same position. The pushbutton is returned to its original position when the pushbutton is twisted to release the lock. |
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