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About Electrical Switches
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Choose a switch with the right trigger type, number of inputs, and control functions to power your equipment.
Circuit Board Push-Button Switches
 |  |  |
Ungrounded, Flush Push Button | Ungrounded, Projecting Push Button | Grounded, Flush Push Button |
Send a signal from your circuit board with the push of a button. These switches are small and have pins for through-hole soldering, helping you eliminate wiring and save space on your circuit board. Also known as tactile switches, they’re the same ones you press when typing on a keyboard. You’ll also find them in control panels and interfaces.
No. of Circuits Controlled | Switch Starting Position | Switch Action | No. of Terminals | Switch Designation | Actuator Color | Switching Current @ Voltage | Max. Voltage, V DC | Initial Contact Resistance, mohm | Ht. | Wd. | Dp. | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ungrounded Plastic Actuator with Solder Connection—For 3.5 mm (0.16") Diameter Panel Cutouts | |||||||||||||||
Flush Push Button | |||||||||||||||
| 1 | 1 Off | Momentary | 4 | SPST-NO | Ivory | 50 mA @ 24V DC | 24 | 100 | 0.17" | 0.24" | 0.24" | 1821N11 | 00000 | ||
| 1 | 1 Off | Momentary | 4 | SPST-NO | Orange | 50 mA @ 24V DC | 24 | 100 | 0.17" | 0.24" | 0.24" | 1821N13 | 0000 | ||
| 1 | 1 Off | Momentary | 4 | SPST-NO | Red | 50 mA @ 24V DC | 24 | 100 | 0.17" | 0.24" | 0.24" | 1821N14 | 0000 | ||
Projecting Push Button | |||||||||||||||
| 1 | 1 Off | Momentary | 4 | SPST-NO | Yellow | 50 mA @ 24V DC | 24 | 100 | 0.29" | 0.24" | 0.24" | 1821N52 | 0000 | ||
Grounded Plastic Actuator with Solder Connection—For 3.5 mm (0.16") Diameter Panel Cutouts | |||||||||||||||
Flush Push Button | |||||||||||||||
| 1 | 1 Off | Momentary | 5 | SPST-NO | Yellow | 50 mA @ 24V DC | 24 | 100 | 0.17" | 0.24" | 0.24" | 1821N22 | 0000 | ||
