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.
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. 811-8433
BrandRS PRO
$21.02
Each
units
Latching Single Pole Double Throw (SPDT) Panel Mount Yes 16 (Dia.)mm 16mm 3 A @ 250 V ac Yellow - IP65, IP67 Silver 250V ac Flat Quick Connect
RS Stock No. 820-7552
BrandRS PRO
$3.67
Each
units
Latching Single Pole Single Throw (SPST) PCB No 13.6 (Dia.)mm 13.6mm 100 mA @ 24 V dc - - IP67 Green 30V dc Dome Solder Lug
RS Stock No. 111-5794
BrandRS PRO
$18.86
Each
units
Momentary Single Pole Double Throw (SPDT) Panel Mount Yes 19.2 (Dia.)mm 19.2mm 5 A Red - IP67 Silver 250V ac Round Solder Pin
RS Stock No. 811-8443
BrandRS PRO
$30.59
Each
units
Momentary Single Pole Double Throw (SPDT) Panel Mount Yes 16 (Dia.)mm 16mm 3 A @ 250 V ac Green - IP65, IP67 Silver 250V ac Flat Quick Connect
RS Stock No. 811-8411
BrandRS PRO
$23.11
Each
units
Latching Single Pole Double Throw (SPDT) Panel Mount Yes 16 (Dia.)mm 16mm 3 A @ 250 V ac Red - IP65, IP67 Silver 250V ac Flat Quick Connect
RS Stock No. 820-7537
BrandRS PRO
$4.46
Each
units
Momentary Single Pole Single Throw (SPST) PCB Yes 8 (Dia.)mm 8mm 100 mA @ 30 V dc Blue - - Clear 30V dc Plunger Pc Pin
RS Stock No. 734-6827
BrandRS PRO
$5.50
Each
units
Momentary 1-pole on-off switch Panel Mount No 8 (Dia.)mm 8mm 100 mA @ 30 V dc - - - Black 120/250V ac Cylinder Solder
RS Stock No. 111-5774
BrandRS PRO
$18.16
Each
units
Momentary Single Pole Double Throw (SPDT) Panel Mount Yes 19.2 (Dia.)mm 19.2mm 5 A Red - IP67 Silver 250V ac Round Solder Pin
RS Stock No. 811-8483
BrandRS PRO
$46.22
Each
units
Latching Single Pole Double Throw (SPDT) Panel Mount Yes 22 (Dia.)mm 22mm 5 A @ 250 V ac Blue - IP65, IP67 Silver 12V Flat Quick Connect
RS Stock No. 811-8395
BrandRS PRO
$18.00
Each
units
Latching Single Pole Double Throw (SPDT) Panel Mount Yes 16 (Dia.)mm 16mm 3 A @ 250 V ac Blue - IP65, IP67 Silver 250V ac Flat Quick Connect
RS Stock No. 820-7587
BrandRS PRO
$5.58
Each
units
Momentary 1NC Panel Mount No 13.6 (Dia.)mm 13.6mm 400 mA @ 32 V ac - - IP67 Red 30V dc Round Solder Lug
RS Stock No. 111-3858
BrandRS PRO
$18.85
Each
units
Momentary Single Pole Double Throw (SPDT) Panel Mount Yes 19.2 (Dia.)mm 19.2mm 5 A Red - IP67 Silver 250V ac Round Solder Pin
RS Stock No. 811-8562
BrandRS PRO
$30.97
Each
units
Momentary Single Pole Double Throw (SPDT) Panel Mount Yes 22 (Dia.)mm 22mm 5 A @ 250 V ac Yellow - IP65, IP67 Chrome 250V ac Flat Quick Connect
RS Stock No. 846-6745
BrandRS PRO
$13.99
Each
units
Latching 3P CO PCB No 12.2 (Dia.)mm 12.2mm 2 A, 4 A - - - - - Cylinder Pc Pin
RS Stock No. 811-8503
BrandRS PRO
$41.19
Each
units
Latching Single Pole Double Throw (SPDT) Panel Mount Yes 22 (Dia.)mm 22mm 5 A @ 250 V ac Green - IP65, IP67 Silver 24V Flat Quick Connect
RS Stock No. 811-8455
BrandRS PRO
$22.23
Each
units
Momentary Single Pole Double Throw (SPDT) Panel Mount Yes 16 (Dia.)mm 16mm 3 A @ 250 V ac Red - IP65, IP67 Silver 250V ac Flat Solder
RS Stock No. 820-7568
BrandRS PRO
$4.89
Each
units
Momentary Single Pole Single Throw (SPST) PCB No 13.6 (Dia.)mm 13.6mm 400 mA @ 32 V ac - - IP67 Red 30V dc Square Pc Pin
RS Stock No. 820-7583
BrandRS PRO
$5.01
Each
units
Momentary 1NC PCB No 13.6 (Dia.)mm 13.6mm 400 mA @ 32 V ac - - IP67 Black 30V dc Square Solder Lug
RS Stock No. 111-3773
BrandRS PRO
$17.86
Each
units
Momentary Single Pole Double Throw (SPDT) Panel Mount Yes 19.2 (Dia.)mm 19.2mm 5 A Green - IP67 Silver 250V ac Round Solder Pin
RS Stock No. 111-5783
BrandRS PRO
$20.63
Each
units
Momentary Single Pole Double Throw (SPDT) Panel Mount Yes 19.2 (Dia.)mm 19.2mm 5 A Green - IP67 Silver 250V ac Round Solder Pin
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