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. 111-3780
BrandRS PRO
$15.42
Each
units
Momentary Single Pole Double Throw (SPDT) Panel Mount Yes 19.2 (Dia.)mm 19.2mm 5 A White - IP67 Silver 250V ac Round Solder Pin
RS Stock No. 111-6528
BrandRS PRO
$15.71
Each
units
Momentary Single Pole Single Throw (SPST) Panel Mount Yes 12 (Dia.)mm 12mm 15 mA Green - IP65, IP67 Silver 12V ac/dc Round Quick Connect
RS Stock No. 111-5813
BrandRS PRO
$20.68
Each
units
Latching Double Pole Double Throw (DPDT) Panel Mount Yes 19.2 (Dia.)mm 19.2mm 5 A Blue - IP67 Silver 250V ac Round Solder Pin
RS Stock No. 811-8572
BrandRS PRO
$29.32
Each
units
Momentary Single Pole Double Throw (SPDT) Panel Mount No 19 (Dia.)mm 19mm 5 A @ 250 V ac - - IP65, IP67 Chrome 250V ac Flat Quick Connect
RS Stock No. 811-8538
BrandRS PRO
$27.68
Each
units
Momentary Single Pole Double Throw (SPDT) Panel Mount Yes 22 (Dia.)mm 22mm 5 A @ 250 V ac Blue - IP65, IP67 Silver 250V ac Flat Quick Connect
RS Stock No. 891-9867
BrandRS PRO
$11.57
Each
units
Momentary Single Pole Single Throw (SPST) Threaded Yes 13.6 (Dia.)mm 13.6mm 200 mA @ 50 V dc, 500 mA @ 32 V ac Red - IP67 Black 250 V ac @ 200 mA, 50 V dc @ 200 mA Round Solder Lug
RS Stock No. 811-8487
BrandRS PRO
$46.17
Each
units
Latching Single Pole Double Throw (SPDT) Panel Mount Yes 22 (Dia.)mm 22mm 5 A @ 250 V ac Blue - IP65, IP67 Silver 250V ac Flat Quick Connect
RS Stock No. 891-9836
BrandRS PRO
$5.13
Each
units
Momentary Single Pole Single Throw (SPST) Threaded - 13.6 (Dia.)mm 13.6mm 200 mA @ 50 V dc, 500 mA @ 32 V ac Blue - IP67 Blue 250 V ac @ 200 mA, 50 V dc @ 200 mA Round Solder Lug
RS Stock No. 820-7546
BrandRS PRO
$2.41
Each
units
Momentary Single Pole Single Throw (SPST) PCB Yes 8 (Dia.)mm 8mm 100 mA @ 30 V dc Blue, Green - - Clear 30V dc Plunger Pc Pin
RS Stock No. 811-8370
BrandRS PRO
$18.38
Each
units
Momentary Single Pole Double Throw (SPDT) Panel Mount No 16 (Dia.)mm 16mm 3 A @ 250 V ac - - IP65, IP67 Silver 250V ac Plunger Quick Connect
RS Stock No. 111-5824
BrandRS PRO
$17.89
Each
units
Latching Double Pole Double Throw (DPDT) Panel Mount Yes 19.2 (Dia.)mm 19.2mm 5 A Blue - IP67 Silver 250V ac Round Solder Pin
RS Stock No. 820-0609
BrandRS PRO
$12.01
Each
units
Momentary Single Pole Single Throw (SPST) PCB No - - 5 A @ 250 V ac - - - Red 28V dc Round Solder Lug
RS Stock No. 811-8544
BrandRS PRO
$37.08
Each
units
Momentary Single Pole Double Throw (SPDT) Panel Mount Yes 22 (Dia.)mm 22mm 5 A @ 250 V ac Red - IP65, IP67 Silver 250V ac Flat Quick Connect
RS Stock No. 111-5828
BrandRS PRO
$15.63
Each
units
Latching Double Pole Double Throw (DPDT) Panel Mount Yes 19.2 (Dia.)mm 19.2mm 5 A Blue - IP67 Silver 250V ac Round Solder Pin
RS Stock No. 877-1858
BrandRS PRO
$27.11
Each
units
Momentary Single Pole Double Throw (SPDT) Panel Mount Yes - 30.2mm 5 A @ 250 V ac Blue, Green, Red - IP67 White 24V Flat Solder/Quick Connect
RS Stock No. 111-5804
BrandRS PRO
$19.44
Each
units
Latching Double Pole Double Throw (DPDT) Panel Mount Yes 19 (Dia.)mm 19mm 5 A White - IP67 Silver 250V ac Round Solder Pin
RS Stock No. 820-7603
BrandRS PRO
$4.33
Each
units
Momentary Single Pole Single Throw (SPST) PCB No 13.6 (Dia.)mm 13.6mm 400 mA @ 32 V ac - - IP67 Orange 32/125V ac Dome Pc Pin
RS Stock No. 734-6763
BrandRS PRO
$2.75
Each
units
Momentary Double Pole Double Throw (DPDT) PCB No - - 400 mA @ 20 V - - IP67 Black 32/50/125V ac Dome Through Hole
RS Stock No. 745-2568
BrandRS PRO
$7.19
Each
units
Momentary Single Pole Double Throw (SPDT) Panel Mount Yes 16 (Dia.)mm 16mm 5 A @ 250 V ac - - - - 250V ac Square Solder
RS Stock No. 811-8455
BrandRS PRO
$20.21
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
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