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. 163-9183
Mfr. Part No.AV1910000Q04
£8.994
Each (In a Tray of 100)
Units
Momentary Single Pole Single Throw (SPST) Panel Mount No 19.2 (Dia.)mm 19.2mm 3 A - - IP67 Silver 250V ac Round Wire Lug
RS Stock No. 123-6063
Mfr. Part No.AV1910000Q04
£10.63
Each
Units
Momentary Single Pole Single Throw (SPST) Panel Mount No 19.2 (Dia.)mm 19.2mm 3 A - - IP67 Silver 250V ac Round Wire Lug
RS Stock No. 163-9245
Mfr. Part No.AV1921P724Q04
£14.493
Each (In a Tray of 100)
Units
Latching Double Pole Double Throw (DPDT) Panel Mount Yes 19.2 (Dia.)mm 19.2mm 3 A Blue - IP67 Silver 250V ac Round Wire Lug
RS Stock No. 123-6080
Mfr. Part No.AV1921P724Q04
£12.88
Each
Units
Latching Double Pole Double Throw (DPDT) Panel Mount Yes 19.2 (Dia.)mm 19.2mm 3 A Blue - IP67 Silver 250V ac Round Wire Lug
RS Stock No. 123-6264
Mfr. Part No.AV2211E724Q04
£11.93
Each
Units
Latching Single Pole Double Throw (SPDT) Panel Mount Yes - 22.2mm 3 A Blue - IP67 Silver 250V ac Round Wire Lug
RS Stock No. 163-9264
Mfr. Part No.AV2211E724Q04
£14.046
Each (In a Bag of 100)
Units
Latching Single Pole Double Throw (SPDT) Panel Mount Yes - 22.2mm 3 A Blue - IP67 Silver 250V ac Round Wire Lug
RS Stock No. 163-9209
Mfr. Part No.AV1911P124Q04
£16.205
Each (In a Tray of 100)
Units
Latching Single Pole Single Throw (SPST) Panel Mount Yes 19.2 (Dia.)mm 19.2mm 3 A White - IP67 Silver 250V ac Round Wire Lug
RS Stock No. 123-6073
Mfr. Part No.AV1911P124Q04
£9.79
Each
Units
Latching Single Pole Single Throw (SPST) Panel Mount Yes 19.2 (Dia.)mm 19.2mm 3 A White - IP67 Silver 250V ac Round Wire Lug
RS Stock No. 123-6127
Mfr. Part No.AV1610P712R04
£6.45
Each
Units
Momentary Single Pole Single Throw (SPST) Panel Mount Yes 19.2 (Dia.)mm 16mm 2 A Blue - IP67 Silver 36V dc Round Wire Lug
RS Stock No. 163-9181
Mfr. Part No.AV1610P712R04
£7.90
Each (In a Tray of 100)
Units
Momentary Single Pole Single Throw (SPST) Panel Mount Yes 19.2 (Dia.)mm 16mm 2 A Blue - IP67 Silver 36V dc Round Wire Lug
RS Stock No. 718-2225
Mfr. Part No.1825100-4
£13.89
Each
Units
Momentary Single Pole Single Throw (SPST) PCB No - - 400 mA @ 20 V - - - Black - Cylinder Through Hole
RS Stock No. 165-0854
Mfr. Part No.1825100-4
£13.922
Each (In a Bag of 25)
Units
Momentary Single Pole Single Throw (SPST) PCB No - - 400 mA @ 20 V - - - Black 125V ac Cylinder Through Hole
RS Stock No. 163-9200
Mfr. Part No.AV1911000Q04
£9.723
Each (In a Tray of 100)
Units
Latching Single Pole Single Throw (SPST) Panel Mount No 19.2 (Dia.)mm 19.2mm 3 A - - IP67 Silver 250V ac Round Wire Lug
RS Stock No. 123-6064
Mfr. Part No.AV1911000Q04
£10.52
Each
Units
Latching Single Pole Single Throw (SPST) Panel Mount No 19.2 (Dia.)mm 19.2mm 3 A - - IP67 Silver 250V ac Round Wire Lug
RS Stock No. 123-6077
Mfr. Part No.AV1921P124Q04
£12.83
Each
Units
Latching Double Pole Double Throw (DPDT) Panel Mount Yes 19.2 (Dia.)mm 19.2mm 3 A White - IP67 Silver 250V ac Round Wire Lug
RS Stock No. 163-9240
Mfr. Part No.AV1921P124Q04
£14.493
Each (In a Tray of 100)
Units
Latching Double Pole Double Throw (DPDT) Panel Mount Yes 19.2 (Dia.)mm 19.2mm 3 A White - IP67 Silver 250V ac Round Wire Lug
RS Stock No. 123-6279
Mfr. Part No.AV2211E612Q04
£12.46
Each
Units
Latching Single Pole Double Throw (SPDT) Panel Mount Yes - 22.2mm 3 A Green - IP67 Silver 250V ac Round Wire Lug
RS Stock No. 123-6088
Mfr. Part No.AV1911E724Q04
£12.23
Each
Units
Latching Single Pole Single Throw (SPST) Panel Mount Yes 19.2 (Dia.)mm 19.2mm 3 A Blue - IP67 Silver 250V ac Round Wire Lug
RS Stock No. 163-9260
Mfr. Part No.AV2211E612Q04
£11.429
Each (In a Bag of 100)
Units
Latching Single Pole Double Throw (SPDT) Panel Mount Yes - 22.2mm 3 A Green - IP67 Silver 250V ac Round Wire Lug
RS Stock No. 163-9208
Mfr. Part No.AV1911E724Q04
£15.394
Each (In a Tray of 100)
Units
Latching Single Pole Single Throw (SPST) Panel Mount Yes 19.2 (Dia.)mm 19.2mm 3 A Blue - IP67 Silver 250V ac Round Wire Lug