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. 734-6722
BrandRS PRO
$2.62
Each
units
Momentary Single Pole Single Throw (SPST) Panel Mount No 4.95 (Dia.)mm 4.95mm 3 A @ 120 V ac - - - Black 32/50/125V ac Dome Solder
RS Stock No. 846-6739
BrandRS PRO
$7.27
Each
units
Latching Double Pole Double Throw (DPDT) PCB No 12.2 (Dia.)mm 12.2mm 2 A, 4 A - - - - - Cylinder Solder Lug
RS Stock No. 820-7549
BrandRS PRO
$3.88
Each
units
Latching Single Pole Single Throw (SPST) PCB No 13.6 (Dia.)mm 13.6mm 100 mA @ 24 V dc - - IP67 Black 30V dc Dome Solder Lug
RS Stock No. 891-9814
BrandRS PRO
$11.28
Each
units
Momentary Single Pole Single Throw (SPST) Square Threaded No 13.6 (Dia.)mm 13.6mm 200 mA @ 50 V dc, 500 mA @ 32 V ac - - IP67 Red 250 V ac @ 200 mA, 50 V dc @ 200 mA Square Solder Lug
RS Stock No. 811-8376
BrandRS PRO
$18.01
Each
units
Latching Single Pole Double Throw (SPDT) Panel Mount No 16 (Dia.)mm 16mm 3 A @ 250 V ac - - IP65, IP67 Chrome 250V ac Flat Quick Connect
RS Stock No. 734-6763
BrandRS PRO
$2.70
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. 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. 811-8398
BrandRS PRO
$22.19
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. 820-7552
BrandRS PRO
$3.33
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. 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
RS Stock No. 846-6748
BrandRS PRO
$16.75
Each
units
Latching Double Pole Double Throw (DPDT) PCB No 12.2 (Dia.)mm 12.2mm 2 A, 4 A - - - - - Cylinder Solder Lug
RS Stock No. 820-7568
BrandRS PRO
$4.44
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. 745-2442
BrandRS PRO
$20.59
Each
units
Latching Double Pole Double Throw (DPDT) Panel Mount Yes 16 (Dia.)mm 16mm 5 A @ 250 V ac - - IP65 Red 250V ac Round Tab
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. 877-1952
BrandRS PRO
$38.03
Each
units
Maintained, Twist to Release Single Pole Double Throw (SPDT) Panel Mount No - 19.2mm 5 A @ 250 V ac - - IP65 Red 250V ac Plunger Solder
RS Stock No. 811-8411
BrandRS PRO
$21.01
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. 111-5795
BrandRS PRO
$14.70
Each
units
Latching 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. 811-8506
BrandRS PRO
$29.80
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. 734-6823
BrandRS PRO
$1.91
Each
units
Momentary Single Pole Single Throw (SPST) PCB No - - 3 A @ 120 V ac - - IP67 - 120/250V ac Cylinder Right Angle Through Hole
RS Stock No. 745-2562
BrandRS PRO
$21.54
Each
units
Momentary Single Pole Double Throw (SPDT) Panel Mount Yes 16 (Dia.)mm 16mm 5 A @ 250 V ac - - IP40 - 250V ac Rectangular Solder
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