Push Button Switches

A push button is a simple type of switch that controls an action in a machine or some type of process. Most of the time, the buttons are plastic or metal. The shape of the push button may conform to fingers or hands for easy use, or they may simply be flat. You can learn more in our complete guide to push button switches.


Push Button Switch Operation


Push button switches typically have two key parts, an actuator and the contacts. The actuator will go all the way through the switch and into a thin cylinder at the bottom. Inside is a movable contact and spring. When the actuator is pressed, it touches with the stationary contacts, causing the action to take place.


Push buttons are available with normally open or normally closed contacts that change state when the actuator is operated. Momentary switches require the user to keep holding the button for an action to take place, this action is then reset once the button is released. Latching push buttons keep the switch in the set contact state until the button is pressed again.


Push Button Switch Uses


Push button switches are popular in a variety of different applications, including calculators, push button phones, and many home appliances. You can find them in the home, the office, and in industrial applications. They can turn machines on and off, or cause the devices to perform specific actions, as is the case with calculators. In some cases, specifically for commercial and industrial usage, the buttons can connect through mechanical linkage, which means that pushing one button can actually cause another button to release.


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Description Price Switch Operation Contact Configuration Mounting Type Illuminated Panel Cut Out Size Panel Cut Out Diameter Contact Current Rating LED Colour Series IP Rating Actuator Colour Voltage Rating Actuator Shape Terminal Type
RS Stock No. 175-8855
BrandRS PRO
£4.68
1 Pack of 1
Pack(s)
Momentary Single Pole Double Throw (SPDT) Panel Mount Yes 22.2 (Dia.)mm 22.2mm 16 A, 26 A White - IP67 - 250 / 125V ac Flat Quick Connect
RS Stock No. 175-8573
BrandRS PRO
£7.575
Each (In a Tray of 20)
Units
Momentary Single Pole Single Throw (SPST) Panel Mount Yes 16 (Dia.)mm 16mm 2 A Yellow - IP67 Translucent 36V dc Round Solder
RS Stock No. 175-8540
BrandRS PRO
£8.077
Each (In a Tray of 20)
Units
Momentary Single Pole Single Throw (SPST) Panel Mount Yes 16 (Dia.)mm 16mm 2 A White - IP67 Translucent 36V dc Round Wire Lead
RS Stock No. 175-9310
BrandRS PRO
£12.998
Each (In a Tray of 20)
Units
Momentary Double Pole Double Throw (DPDT) Panel Mount No 22.2 (Dia.)mm 22.2mm 3 A, 5 A - - IP67 - 250V ac Flat Solder
RS Stock No. 175-8420
BrandRS PRO
£7.968
Each (In a Tray of 20)
Units
Momentary Single Pole Double Throw (SPDT) Panel Mount Yes 22.2 (Dia.)mm 22.2mm 3 A, 5 A Green - IP65 Silver 250V ac Flat Solder
RS Stock No. 175-8415
BrandRS PRO
£2.655
Each (In a Tray of 20)
Units
Momentary Double Pole Double Throw (DPDT) Panel Mount Yes 22.2 (Dia.)mm 22.2mm 3 A, 5 A Green - IP65 Silver 250V ac Flat Solder
RS Stock No. 175-8640
BrandRS PRO
£17.18
1 Pack of 1
Pack(s)
Maintained Single Pole Double Throw (SPDT) Panel Mount No 19.1 (Dia.)mm 19.1mm 16 A, 26 A - - IP67 - 250 / 125V ac Flat Quick Connect
RS Stock No. 175-9535
BrandRS PRO
£10.35
Each
Units
Momentary Single Pole Single Throw (SPST) Panel Mount Yes 16 (Dia.)mm 16mm 2 A Blue - IP67 - 36V dc Round Solder
RS Stock No. 175-9251
BrandRS PRO
£13.68
Each (In a Tray of 20)
Units
Momentary Double Pole Double Throw (DPDT) Panel Mount Yes 22.2 (Dia.)mm 22.2mm 3 A, 5 A Blue - IP67 - 250V ac Flat Solder
RS Stock No. 175-8278
BrandRS PRO
£7.932
Each (In a Tray of 20)
Units
Momentary Double Pole Double Throw (DPDT) Panel Mount Yes 22.2 (Dia.)mm 22.2mm 3 A, 5 A - - IP65 Transparent 250V ac Flat Solder
RS Stock No. 175-8703
BrandRS PRO
£9.519
Each (In a Tray of 20)
Units
Momentary Single Pole Single Throw (SPST) Panel Mount Yes 16 (Dia.)mm 16mm 2 A RGB - IP67 Translucent 36V dc Round Solder
RS Stock No. 175-8330
BrandRS PRO
£15.615
Each (In a Tray of 20)
Units
- Single Pole Double Throw (SPDT) Panel Mount Yes 25.2 (Dia.)mm 25.2mm 3 A, 5 A Red - IP67 - 250V ac Flat Solder
RS Stock No. 175-9729
BrandRS PRO
£15.47
Each
Units
Momentary Double Pole Double Throw (DPDT) Panel Mount Yes 22.2 (Dia.)mm 22.2mm 3 A, 5 A Red/Green - IP67 - 250V ac Flat Solder
RS Stock No. 175-8511
BrandRS PRO
£9.283
Each (In a Tray of 20)
Units
Momentary Single Pole Single Throw (SPST) Panel Mount Yes 16 (Dia.)mm 16mm 2 A Red - IP67 Translucent 36V dc Round Wire Lead
RS Stock No. 175-8069
BrandRS PRO
£16.584
Each (In a Tray of 20)
Units
Maintained Single Pole Double Throw (SPDT) Panel Mount Yes 19.1 (Dia.)mm 19.1mm 16 A, 26 A White - IP67 - 250 / 125V ac Flat Quick Connect
RS Stock No. 175-9364
BrandRS PRO
£8.75
1 Pack of 1
Pack(s)
Momentary Single Pole Single Throw (SPST) Panel Mount Yes 16 (Dia.)mm 16mm 2 A Red - IP67 Translucent 36V dc Round Solder
RS Stock No. 175-8753
BrandRS PRO
£1.533
Each (In a Tray of 20)
Units
- - - - - - - - - - - - - -
RS Stock No. 175-9266
BrandRS PRO
£15.25
Each (In a Tray of 20)
Units
- Single Pole Double Throw (SPDT) Panel Mount Yes 25.2 (Dia.)mm 25.2mm 3 A, 5 A Green - IP67 - 250V ac Flat Solder
RS Stock No. 175-8376
BrandRS PRO
£4.445
Each (In a Tray of 20)
Units
- Single Pole Double Throw (SPDT) Panel Mount Yes 25.2 (Dia.)mm 25.2mm 3 A, 5 A Green - IP67 - 250V ac Flat Solder
RS Stock No. 175-9304
BrandRS PRO
£2.805
Each (In a Tray of 20)
Units
Momentary Single Pole Single Throw (SPST) Panel Mount Yes 16 (Dia.)mm 16mm 2 A White - IP67 - 36V dc Round Solder
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