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. 877-1873
BrandRS PRO
$57.60
Each
units
Momentary Double Pole Double Throw (DPDT) Panel Mount Yes - 30.2mm 5 A @ 250 V ac Blue, Green, Red - IP67 White 220V Flat Solder/Quick Connect
RS Stock No. 914-3569
BrandRS PRO
$31.28
Each
units
Momentary 1NO Panel Mount No 16.2 (Dia.)mm 19mm 2 A - - IP65 - 36V dc Round Screw
RS Stock No. 734-6757
BrandRS PRO
$4.37
Each
units
Momentary Single Pole Single Throw (SPST) PCB No - - 400 mA @ 20 V - - - Black 32/50/125V ac Dome Through Hole
RS Stock No. 811-8398
BrandRS PRO
$30.92
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. 811-8392
BrandRS PRO
$29.23
Each
units
Latching 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. 811-8418
BrandRS PRO
$32.48
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. 111-3892
BrandRS PRO
$24.72
Each
units
Momentary Double Pole Double Throw (DPDT) Panel Mount Yes 19.2 (Dia.)mm 19.2mm 5 A White - IP67 Silver 250V ac Round Solder Pin
RS Stock No. 811-8382
BrandRS PRO
$30.29
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 Flat Quick Connect
RS Stock No. 111-3767
BrandRS PRO
$23.95
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. 734-6794
BrandRS PRO
$7.77
Each
units
Latching Single Pole Double Throw (SPDT) PCB No 6.35 (Dia.)mm 6.35mm 400 mA @ 20 V - - - - 32/50/125V ac Cylinder Right Angle Through Hole
RS Stock No. 111-6520
BrandRS PRO
$25.07
Each
units
Latching Single Pole Single Throw (SPST) Panel Mount Yes 12 (Dia.)mm 12mm 15 mA White - IP40 Silver 12V ac/dc Round Quick Connect
RS Stock No. 811-8474
BrandRS PRO
$35.39
Each
units
Latching Single Pole Double Throw (SPDT) Panel Mount No 22 (Dia.)mm 22mm 5 A @ 250 V ac - - IP65, IP67 Silver 250V ac Plunger Quick Connect
RS Stock No. 734-6710
BrandRS PRO
$7.77
Each
units
Momentary 1NC Panel Mount No 13.6 (Dia.)mm 13.6mm 400 mA @ 32 V ac - - IP67 Red 32/50/125V ac Dome Solder
RS Stock No. 111-5832
BrandRS PRO
$30.15
Each
units
Momentary Double Pole Double Throw (DPDT) Panel Mount Yes 19 (Dia.)mm 19mm 5 A Red - IP67 Silver 250V ac Round Solder Pin
RS Stock No. 734-6817
BrandRS PRO
$2.75
Each
units
Momentary Single Pole Double Throw (SPDT) PCB No - - 3 A @ 120 V ac - - IP67 - 120/250V ac Cylinder Right Angle Through Hole
RS Stock No. 811-8500
BrandRS PRO
$53.20
Each
units
Latching 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. 745-2486
BrandRS PRO
$7.64
Each
units
Momentary - Panel Mount Yes 16 (Dia.)mm 16mm 5 A @ 250 V ac - - IP65 - 250V ac Round Tab
RS Stock No. 734-6716
BrandRS PRO
$7.68
Each
units
Momentary 1-pole on-off switch Panel Mount - 13.6 (Dia.)mm 13.6mm 400 mA @ 32 V ac Yellow - IP67 Red 32/50/125V ac Dome Solder
RS Stock No. 734-6766
BrandRS PRO
$5.81
Each
units
Momentary Double Pole Double Throw (DPDT) PCB No 6.35 (Dia.)mm 6.35mm 3 A @ 120 V ac - - - White 32/50/125V ac Dome Through Hole
RS Stock No. 734-6772
BrandRS PRO
$7.11
Each
units
Momentary Double Pole Double Throw (DPDT) Panel Mount No 12.7 x 15.7mm - 3 A @ 120 V ac - - - Red 32/50/125V ac Dome Solder
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